FSG 66 Instruments and Laboratory Equipment

Instruments and Laboratory Equipment

Note-Infrared assemblies (including sub-assemblies and components) designed specifically for use as or with instruments and laboratory equipment are included in the classes of this group. Also included are computers (including computer assemblies, computer systems and components) designed specifically for use with instruments and laboratory equipment.

Supply Items Included in Federal Supply Group 66
SOUND MEASURING SET

A complete set for making sound level measurements by deriving a visual indication relative to the intensity of the sound being measured.

BRIDGE,CAPACITANCE-RESISTANCE

An electrical test instrument designed to measure the value of an unknown capacitance and/or resistance by comparison with calibrated known capacitances and/or resistances. Excludes BRIDGE, CAPACITANCE-INDUCTANCE-RESISTANCE.

SHUNT,INSTRUMENT

A fixed precision resistor consisting of a bar or bars of metal specifically designed for use in parallel with a basic direct current instrument to permit determination of current values exceeding the actual range of the instrument itself.

INDUCTANCE STANDARD,FIXED

An item whose inductance value cannot be adjusted or varied, and is known to a high degree of accuracy, which permits use of the item as a basis for obtaining precise and reliable measurements.

SPARK GAP

An item designed to act as a switching or triggering device by means of a disruptive discharge of electricity (a spark) between the electrodes. The insulation (usually air) between the electrodes is self-restoring after passage of the spark. For spark gaps used as a protective device, see ARRESTER, ELECTRICAL SURGE. For items with additional circuitry which perform complete modulation functions, see MODULATOR, RADAR.

MONITOR,COORDINATE DATA

A component which presents visually a quantized version and replica of a continuous display of signals from another component or set having an output of coordinate data.

MONITOR,PHASE

An item which provides continual quantitative visual indication of cyclic variations between two or more phases of electrical energy, warning upon departure from predetermined phase variation limits. May initiate an audible warning. See also PANEL, MONITOR.

SCALE,CATHODE RAY TUBE

An item graduated to visually translate indications of an oscilloscope, indicator, or other item using a cathode ray tube, into definite electrical or physical quantities.

WAVE FORM SYNTHESIZER

An item generating power, variable in frequency and phase, and adjustable in harmonic content and harmonic amplitude. It may include monitoring facilities. See also ANALYZER, ELECTRICAL PULSE; ANALYZER, VIDEO INTEGRATING; INDICATOR, PANORAMIC; and OSCILLOSCOPE.

TEST SET,BATTERY

A test set primarily designed for use in making examinations of wet or dry batteries or battery cells. For items that analyze and/or recharge batteries, see ANALYZER-CHARGER, BATTERY. See also VOLTMETER.

DISK,STROBOSCOPE

A circular plate having concentric rings, each with a different number of dark segments, closed sectors, or holes. When the circular plate is placed on a rotating shaft and illuminated with a known frequency from a flashing discharge tube, it will indicate the instantaneous speed of the rotating object.

SIMULATOR,ANTENNA POSITION

An item whose electrical output provides synthetic signals which when applied to equipment such as a radio direction finder set, will give a presentation similar to that observed under actual operating conditions. See also SIMULATOR, RADAR SIGNAL. Excludes GENERATOR, SIGNAL and CALIBRATOR, DIRECTION FINDER.

SIMULATOR,RADAR SIGNAL

An item whose electrical output is applied directly to another component or set to produce artificial radar echoes.

COUPLER,INDICATOR

A component which provides a means of transfer of electrical energy between an indicator and other components. See also LINE, RADIO FREQUENCY TRANSMISSION and CABLE ASSEMBLY (as modified).

CAVITY,TUNED

An inclosure, with a conductive inner wall, whose resonant frequency is determined by its internal dimensions. For calibrated items which are used to measure wavelength or frequency, see WAVEMETER; see also FREQUENCY METER.

COMPARATOR,PHASE-TIME

A comparator that correlates the electrical phase and time difference between two or more electrical input signals, and displays these differences on an integral indicator. Excludes COMPARATOR, SIGNAL.

COMPARATOR,SIGNAL

A component which correlates information from two or more signals. For similar items having modular characteristics, see COMPARATOR MODULE, SIGNAL.

FREQUENCY DIVIDER

An electronic device for delivering an output wave whose frequency is a proper fraction (sub-multiple) of the input frequency. It may also provide incidental signal amplification.

FREQUENCY MULTIPLIER

An electronic device for delivering an output wave whose frequency is a multiple of the input frequency. It may also provide incidental signal amplification.

MIXER STAGE,FREQUENCY

An electronic device which mixes two or more input frequencies which are usually adjustable, combines them linearly in desired proportions to produce a common output signal which is a resultant of the input frequencies. Excludes items having integral oscillators. See also CONVERTER, FREQUENCY, ELECTRONIC and MIXER, CRYSTAL, WAVEGUIDE.

ANALYZER,ELECTRICAL PULSE

An item designed to generate voltages proportional to pulse width and frequency of signals received from an associated component. May include indicator. See also ANALYZER, VIDEO INTEGRATING; INDICATOR, PANORAMIC; OSCILLOSCOPE; PULSE ANALYZER GROUP; and WAVE FORM SYNTHESIZER.

ANALYZER,FREQUENCY DEVIATION

An item that processes two or more electrical input signals so as to produce a composite output, the characteristics of which enables an observer to determine by means of an oscilloscope, the cyclic variations between the input signals. It may include an integral meter for internal alignment, and connections for a recorder.

OSCILLOSCOPE

A test instrument which is designed to give visual indications on an LCD display or a cathode ray tube of instantaneous values and variations in electrical voltage. It can also be used to indicate any quantity which can be converted into terms of electrical potential. It may include an integral pulse generator, the output of which can be used to trigger an external component; be triggered by pulses from an external source, or it may utilize an LCD display or a special type of multigun cathode ray tube and circuitry which permits a trace(s) to be sustained and displayed indefinitely, and the trace(s) may be erased when desired. For items which are not separable and operable when detached from equipment of which they are a part (built into operational equipment), see INDICATOR (2) (as modified); MONITOR (as modified); and RECORDER (as modified). See also OSCILLOGRAPH.

CALIBRATOR,ELECTRICAL POWER

An item that determines by comparison the electrical power ratings of components such as attenuators, directional couplers, electrical power meters, insertion loss devices, signal generators, and the like.

CALIBRATOR,OSCILLOSCOPE

An item by means of which the indications of an OSCILLOSCOPE may be calibrated.

CALIBRATOR,VOLTMETER

An item that determines by comparison the indicating accuracy of a voltmeter.

CALIBRATOR SET,DIRECTION FINDER

A fixed number of components and/or items, not all having the same basic name, which are required for determining by comparison the bearing deviation of a direction finder. May exclude certain operating components supplied separately or already present at the point of usage.

CALIBRATOR SET,RANGE

A fixed number of components and/or items, not all having the same basic name, which are required for determining by comparison the range indicating accuracy of another item, such as a RADAR SET or DETECTING-RANGING SET, SONAR. May exclude certain operating components supplied separately or already present at the point of usage.

DECODER,VIDEO

An electronic device which converts coded electrical impulses into signals which are used to present visual intelligence usually on the screen of a cathode ray tube. The means of display may be a component of the device.

GATE,ELECTRONIC

An electronic device which permits the passage of a radio frequency signal for a period of time determined by its circuit constants. See also ELECTRONIC SWITCH.

GENERATOR,PULSE

An electronic device which develops a discontinuous electrical potential with an abrupt rate of change of voltage which determines the harmonic content of the pulse train. The duration of a single pulse output is relatively short compared to the time of the recurrence cycle. See also GENERATOR, SINGLE PULSE; and GENERATOR, ELECTRONIC MARKER.

GENERATOR,PULSE-SWEEP

An electronic device which functions as both a pulse generator and a sweep generator. It develops a discontinuous electrical potential with an abrupt rate of change of voltage to determine the harmonic content of a pulse train. The pulse duration is relatively short compared to the time of recurrence cycle. Also, it applies voltage or current to the deflection elements in a cathode ray tube in a way to make the deflection of the electron beam a known function of time or other data base against which other periodically occurring electrical phenomena may be examined, compared, or measured.

GENERATOR,SWEEP

An electronic device which applies voltage or current to the deflection elements in a cathode ray tube in a way to make the deflection for the electron beam a known function of time or other data base, against which other periodically occurring electrical phenomena may be examined, compared, or measured. It is often referred to as a timing axis oscillator.

CONVERTER,SIGNAL DATA

An electronic device which converts a data modulated signal of one form to a data modulated signal of another form.

INDICATOR,ANTENNA RADIATION PATTERN

An item which displays radiation characteristics of an antenna in terms of antenna rotation angle versus signal amplitude.

TUNING UNIT,RADIO FREQUENCY

An electronic device consisting of the necessary elements to establish the frequency or frequency range of two or more tuned circuits to predetermined value or range. It may have facilities for calibration adjustments. There are no integral facilities for continuous variation of the frequency over the entire range of the item. It is generally used with an external variable capacitor or inductor which will effect the continuous variation of the frequency. This item is used to facilitate rapid band or channel changes in radio receivers, transmitters, amplifiers or similar devices. It does not include electron tubes. See also COIL ASSEMBLY, RADIO FREQUENCY and TUNER, RADIO FREQUENCY.

CAPACITOR,DECADE

An assembly consisting of a number of precision capacitors varying in submultiples and multiples of ten, inclosed in a box with convenient means of selecting any desired capacitance value within its range.

INDUCTOR,DECADE

A number of precision inductors varying in submultiples or multiples of ten, inclosed in a box with convenient means of selecting any desired inductance value within its range.

RESISTOR,DECADE

An adjustable assembly of precision resistors in decimal steps, inclosed in a box and provided with means (e.g., rotary switch) of selecting any multiple of the least unit up through the aggregate of all units. Excludes RESISTANCE STANDARD; RESISTOR, ADJUSTABLE; RESISTOR, VARIABLE (as modified); and RESISTOR ASSEMBLY.

OHMMETER

An instrument which measures electrical resistance and is calibrated in ohms or any multiple and/or submultiples thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. See also TEST SET, INSULATION BBEAKDOWN.

MEASURING SET,FIELD STRENGTH,RADIO

A complete set for generating, propagating, receiving, and measuring the depth and frequency of occurrence of fading of a highly calibrated radio signal. Primarily designed to facilitate the selection of sites for radio relay equipment through determining the best locations for reception and transmission, but is not limited to this application. Must include a separate receiver and a separate transmitter in addition to associated components. Excludes PROPAGATION FREQUENCY EVALUATION SET.

GENERATOR GROUP,SIGNAL

A collection of items, that provide facilities for generating various electrical signals.

RECEIVER-TRANSMITTER-TEST SET GROUP

A collection of items, that provide receiver-transmitter and test set facilities.

RECORDER SET,RADIATION PATTERN,RADIO FREQUENCY

A fixed number of components and/or items, not all having the same basic name, for making a permanent representation of radio frequency radiation patterns.

TEST SET GROUP,RADAR

A group that provides facilities for testing a radar set(s).

TEST SET GROUP,RADIO BEACON

A group that provides facilities for testing a radio beacon.

ELECTRICAL METER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of an electrical meter, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

OSCILLOSCOPE SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of an oscilloscope, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

PROBE SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a probe, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

SIGNAL COMPARATOR SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a signal comparator but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

SIGNAL GENERATOR SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a signal generator, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

METER ASSEMBLY,ELECTRICAL

Two or more separate electrical meters having a common mounting or mounted on each other.

CALIBRATOR,COMPUTER

An item specifically designed to determine by comparison the correct values of a computer.

TEST SET,ARMATURE

A test set primarily designed for use in making examinations of armatures, such as detecting shorts, opens or grounds by electrical or magnetic methods. See also TEST SET (1), ARMATURE-STATOR and TEST SET, MOTOR AND ARMATURE.

CALIBRATOR,DIRECTION FINDER

An item specifically designed to determine by comparison the correct indication of a direction finder.

TUNER,RADIO FREQUENCY

An electronic device consisting of the necessary elements to establish the upper and lower limits and to effect the variation (continuous or in steps) of the frequency of a tuned circuit by means of an integral variable capacitor, inductor, cavity or line. It is generally used for tuning radio receivers, transmitters, amplifiers, or similar items. It does not include electron tubes. See also TUNING UNIT, RADIO FREQUENCY.

CALIBRATOR,RANGE INDICATOR

An item designed to determine by comparison the correct value of the indication of a range indicator.

MONITOR,AUDIO FREQUENCY

A receiver for reproducing audio frequency transmission without interfering with it. It is used for checking on the operation of a transmitter, having audio frequency output, with regard to quality, deviation from assigned bands, materials transmitted, and the like. It may include remote indicators.

MONITOR,RADIO FREQUENCY

A receiver for reproducing radio frequency transmission without interfering with it. It is used for checking on the operation of a transmitter, having radio frequency output, with regard to quality, deviation from assigned bands, materials transmitted, and the like. It may include remote indicators.

Q-METER

An instrument which measures the ratio of electrical reactance to resistance and is calibrated in terms of this ratio, which is designated by the symbol "Q".

WAVEMETER

An item for the determination of the electrical wavelength or frequency being generated by an electronic equipment such as a radio transmitter. It may be placed in the radiation field of the equipment, thereby operating on the "absorption" principle, or connected into a transmission line or waveguide run between the equipment and a component such as an antenna, thereby operating on the tuned cavity resonance principle. It includes inscriptions from which the wavelength or frequency can be determined directly, or by reference to an associated calibration curve or tabulation. the wavemeter operates in accordance with its design function only when the equipment under measurement is operating. For items, such as grid dip meters, that determine the same information when the equipment under measurement is not operating, see FREQUENCY METER.

TIME SIGNAL SET

All the components and items required to operate a complete electronic system for generating time interval signals which can be used for calibrating purposes. May include operating spares.

ABSORBER,RADIO FREQUENCY RADIATION

An item specifically designed to absorb and dissipate incident radio frequency energy. It consists of a material, such as phenolic, varnished cardboard, cloth, or metal, the surface of which is coated or otherwise processed with a radio frequency absorbent element. See also DUMMY LOAD, ELECTRICAL.

METER,WATTHOUR

An instrument which indicates the power consumed in an electric circuit over a period of time, and which for normal indication is calibrated in watthours or any multiple thereof. May include a demand element.

MULTIMETER

An instrument which is arranged to measure two or more different electrical quantities (such as volts, amps, and ohms) by means of associated circuits and switches. The value is usually expressed on a single calibrated dial or digital readout display. For items which are connected into a circuit and used chiefly to visually monitor an operation, see METER, MULTIPLE SCALE. See also COUNTER, ELECTRONIC, DIGITAL READOUT. Excludes BRIDGE (as modified).

TEST SET,CATHODE RAY TUBE

A test set primarily designed for use in making examinations of cathode ray tubes. See also TEST SET, ELECTRON TUBE.

TEST SET,ELECTRON TUBE

A test set specifically designed for use in making examinations of electron tubes, other than cathode ray tubes and image converter tubes. May include additional facilities for making electrical circuit measurements. See also TEST SET, CATHODE RAY TUBE; and TEST SET, INFRARED IMAGE CONVERTER TUBE.

ANALYZER,SPECTRUM

An instrument specifically designed to measure the amplitude and frequency of the constituents of a complex electrical wave form. May include transducer mechanism for converting sound pressure into electrical energy.

BRIDGE,CAPACITANCE

An electrical test instrument designed to measure the value of an unknown capacitance by comparison with calibrated known capacitances. Excludes BRIDGE, CAPACITANCE-RESISTANCE; CAPACITANCE STANDARD (as modified); and CAPACITOR, DECADE.

BRIDGE,IMPEDANCE

A test instrument which will measure an unknown impedance by electrical comparison with calibrated known impedances.

BRIDGE,INDUCTANCE

A test instrument which will measure an unknown inductance by electrical comparison with calibrated known inductances.

BRIDGE,RESISTANCE

A test instrument which will measure an unknown resistance by electrical comparison with calibrated known resistors.

MONITOR,COURSE

An item designed for fixed position monitoring of a radio course consisting of a radio frequency detector and a course indicating meter. See also PANEL, MONITOR.

CALIBRATOR,CRYSTAL

A device primarily designed to determine by comparison the frequency characteristics of a piezoelectric crystal.

CALIBRATOR,FREQUENCY

An item which generates a highly accurate signal of one or more fixed frequencies for calibration of frequencies from other sources. Does not include OSCILLATOR (as modified). For devices which are designed as voltage sources, see GENERATOR, SIGNAL. See also FREQUENCY METER.

SYNCHRONIZER,ELECTRICAL

An item which aligns and/or connects two or more electrical signals with respect to time.

SHIELD,TEST

An item specifically designed to be placed around an electical apparatus, or component parts thereof, for the purpose of shielding against electrical or mechanical interferences during testing operations. May include mounting facilities. For prefabricated and/or demountable structures capable of housing both personnel and equipment, see ENCLOSURE, ELECTROMAGNETIC SHIELDING. See also COVER (as modified); HOUSING (as modified); and VISOR (as modified).

CONTROL-POWER SUPPLY

A component which performs the dual function of controlling the operation of and supplying power to one or more associated components.

CONTROL,FREQUENCY CALIBRATOR SET

A component which determines the mode of operation of a frequency calibrator set.

CONTROL,OSCILLOSCOPE

A component which determines the mode of operation of an OSCILLOSCOPE.

CONTROL,SIGNAL COMPARATOR

A control that determines the mode of operation of a COMPARATOR, SIGNAL.

FILTER ASSEMBLY,LIGHT,CATHODE RAY TUBE

An item consisting of two or more light filters on a common mounting, or mounted on each other, specifically designed for use with an OSCILLOSCOPE, indicator, or other item using a cathode ray tube.

KEYER-POWER SUPPLY

A component having the dual functions of a keyer and a power supply. The keyer and power supply are used with associated components and may be used with each other.

ANALYZER,VIDEO INTEGRATING

An item which analyzes and displays all the important characteristics of any type of electromagnetic energy, and retains such information over a period of time for study. See also ANALYZER, ELECTRICAL PULSE; INDICATOR, PANORAMIC; OSCILLOSCOPE; and WAVE FORM SYNTHESIZER.

INDICATOR,BLANK SCALE,SYNCHRO

An item utilizing a syncho-actuated pointer which traverses an unmarked scale area on the face of the instrument. Suitable inscriptions may be made on the scale area to indicate various factors such as altitude, frequency, position, temperature, time, volume, and the like. See also METER, ARBITRARY SCALE.

SHUNT,INSTRUMENT,MULTIRANGE

A series of fixed precision resistors or bars of metal so positioned that, by means of an integral switching mechanism, any of a number of specific values of resistance can be placed in parallel with a basic direct current instrument to permit determination of current values exceeding the actual range of the instrument itself.

SHUNT,TUNING

An item designed to shunt a circuit to prevent its interaction with a related circuit during the tuning, alignment or adjustment of any associated circuit or the circuit that is shunted.

METER,S-UNITS

An instrument whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. It is used to measure the strength of a received signal. The value is usually expressed on a scale calibrated in S-units or some multiple thereof. The scale may also have decibel markings above a reference S-unit level. The value may also be expressed as a digital readout display.

HOLDER,CHART

Excludes HOLDER, CLINICAL CHART.

HOLDER,METER

HOLDER,MIRROR

HOLDER,PROBE

HOLDER,STYLUS

AMPLIFIER-OSCILLATOR

An item having the dual functions of an amplifier and an oscillator. The amplifier and oscillator are each used with associated components and may be used with each other. See also MODULATOR-OSCILLATOR.

METER,FIELD STRENGTH

An instrument which measures the electrical intensity of radiated electromagnetic energy and is usually calibrated in volts per meter or any multiple or submultiple thereof. See also FLUXMETER.

MEASURING SET,POWER DENSITY

A fixed number of components and/or items, not all having the same basic name, which indicates the intensity of electrical power per unit area. It is used in applications such as measuring the power density in the near-field region of a radar set antenna.

TEST BENCH,DIGITAL COMPONENTS

A boxlike component of a TEST BENCH SET, RADIO SET, specifically designed for, and including facilities for substitution testing of digital data processing components of a RADIO SET, It unfolds to provide a working surface, and includes substitution components, and provisions for application and control of electrical operating power to the components under test.

TEST BENCH SET,RADIO SET

A fixed number of complete electronic components and/or items not all having the same basic name, for testing components of a RADIO SET by the substitution method. The item consists of one or more TEST BENCH, RADIO SET on which are mounted operable radio set components, and includes facilities for the application of electrical operating power. Components of a RADIO SET are systematically substituted for the test bench component until the defective system component is located. May include provisions for auxiliary control and monitoring of the complete RADIO SET while under test conditions.

TEST SET,AMPLIFIER-INDICATOR

A test set specifically designed for use in making examinations of an amplifier-indicator.

TEST SET,ANTENNA

A test set primarily designed for use in making examinations of the performance and/or characteristics of antennas. SEE ALSO METER, FIELD STRENGTH.

TEST SET,ANTENNA ALIGNMENT

A test set specifically designed for use in effecting coincidence between the electrical and optical axis of an antenna in relation to a target.

TEST SET,ANTENNA DRIVE

A test set primarily designed for use in making examinations of antenna azimuth drive and scanning units.

TEST SET,ANTENNA SYSTEM

A test set specifically designed for use in making examinations of an antenna system, such as transmission line characteristics, couplers, diplexers, pedestals, rotators, and the like. It may include measurements of the associated antenna(s).

TEST SET,AUDIO

A test set primarily designed for use in making examinations of audio equipments, such as those used for public address, recording and/or reproducing. See also TEST SET, TELEPHONE; TEST SET, ELECTRON TUBE; GENERATOR, SIGNAL; MULTIMETER; and TEST SET, AMPLIFIER.

TEST SET,CAPACITOR

A test set primarily designed for use in making examinations of capacitors. See also TEST SET, CAPACITOR-RESISTOR; and BRIDGE, CAPACITANCE.

TEST SET,CAPACITOR-RESISTOR

A test set primarily designed for use in making examinations of capacitors and resistors. See also TEST SET, CAPACITOR; and BRIDGE, CAPACITANCE-RESISTANCE.

TEST SET,COMMUTATOR

A test set which is specifically designed for use in making examinations of electrical commutators.

TEST SET,COMPUTER

A test set primarily designed for use in making examinations of computers.

TEST SET,CONTROL-MONITOR

A test set specifically designed for use in making examinations of CONTROL-MONITOR.

TEST SET,CRYSTAL UNIT,QUARTZ

TEST SET,DECODER-ENCODER

A test set specifically designed for use in making examinations of a single component with the dual function of converting coded signals into a conventional form, and of operating on a signal so as to provide more information, less information, or the same information in an unconventional form.

TEST SET,ELECTRICAL CABLE

A test set primarily designed for use in making examinations of electrical cables. Can be used for locating shorts, crosses, and grounds in electrical cables. This would also permit locating high resistant faults. See also TEST SET (1), POWER-SPECIAL PURPOSE ELECTRICAL CABLE ASSEMBLY. Excludes REFLECTOMETER, METALLIC TIME DOMAIN.

TEST SET,ELECTRICAL FREQUENCY CONTROL

A test set specifically designed for use in making examinations of a CONTROL, ELECTRICAL FREQUENCY.

TEST SET,ELECTRICAL METER

A test set primarily designed for use in making examinations of electrically operated meters.

TEST SET,ELECTRICAL POWER

A test set primarily designed for use in making examinations of electrical power generating or converting equipments and/or transmission systems. See also TEST SET, VIBRATOR; WATTMETER; METER, POWER FACTOR; METER, ELECTRICAL FREQUENCY; and TEST SET, RADIO FREQUENCY POWER.

TEST SET,FLIGHT SIMULATOR

A test set specifically designed for use in making examinations of a flight simulator.

TEST SET,INDICATOR

A test set specifically designed for use in making examinations of indicators.

TEST SET,INFRARED CELL

A test set primarily designed for use in making examinations of an infrared cell.

TEST SET,INTERVALOMETER

A test set specifically designed for use in making examinations of an intervalometer.

TEST SET,MAGNETIC DRUM

A test set primarily designed for use in making examinations of a magnetic drum that is the data storage facility of an electronic computer.

TEST SET,MAGNETIC TAPE TRANSPORT

A test set specifically designed for use in making examinations of a TRANSPORT, MAGNETIC TAPE.

TEST SET,MESSAGE CONSOLE

A test set primarily designed for use in making examinations of a CONSOLE, MESSAGE.

TEST SET,OSCILLATOR

A test set primarily designed for making examinations of oscillators.

TEST SET,POWER SUPPLY

A group of components primarily designed for making examinations of power supplies. It may include facilities for determining the insulation breakdown qualities of motors, cables, and the like.

TEST SET,POWER-SPECIAL PURPOSE ELECTRICAL CABLE ASSEMBLY

A test set designed for use in making examinations of power electrical cable assemblies or special purpose electrical cable assemblies. Excludes TEST SET, ELECTRICAL CABLE.

TEST SET,RADAR

A test set primarily designed for use in making examinations of radar equipment. See also TEST SET, ELECTRON TUBE; MULTIMETER; OSCILLOSCOPE; GENERATOR, SIGNAL; TEST SET, DOPPLER RADAR RECEIVER; and TEST SET, AMPLIFIER.

TEST SET,RADIO

A test set primarily designed for use in making examinations of radio equipment. See also TEST SET, ELECTRON TUBE; MULTIMETER; OSCILLOSCOPE; GENERATOR, SIGNAL; and TEST SET, AMPLIFIER.

TEST SET,RADIO BEACON

A test set primarily designed for use in making examinations of radio beacons.

TEST SET,RECORDER,LIGHT-TIME

A test set primarily designed for use in making examinations of a light and time recorder.

TEST SET,RECORDER,SIGNAL DATA

A test set specifically designed for use in making examinations of a Signal Data Recorder.

TEST SET,RELAY

A test set primarily designed for use in making examinations of the operation of relays.

TEST SET,RESISTOR

A test set primarily designed for use in making examinations of resistors. See also TEST SET, CAPACITOR-RESISTOR; and BRIDGE (as modified).

TEST SET,SERVO

A test set primarily designed for making examinations of servo systems and/or components. See also TEST SET, AMPLIFIER.

TEST SET,SHIELDING

A test set primarily designed for use in determining electromagnetic and/or electrostatic shielding efficiency of various materials.

TEST SET,SIGNAL DATA CONVERTER

A test set primarily designed for use in making examinations of a data converter.

TEST SET,SIGNAL DATA TRANSLATOR

A test set specifically designed for use in making examinations of a TRANSLATOR, SIGNAL DATA.

TEST SET,SIGNAL GENERATOR

A test set primarily designed for use in making examinations of a GENERATOR, SIGNAL.

TEST SET,SONAR

A test set primarily designed for use in making examinations of sonar equipments. See also TEST SET, ELECTRON TUBE; MULTIMETER; OSCILLOSCOPE; and TEST SET, AMPLIFIER.

TEST SET,SONOBUOY

A test set primarily designed for use in making examinations of sonobuoy equipment.

TEST SET,SYNCHRO

A test set primarily designed for use in making examinations of the operation of synchros, such as measuring the accuracy of angular motion. See also TRANSFORMER, SYNCHRO OVERLOAD.

TEST SET,TELEGRAPH

A test set primarily designed for use in making examinations of telegraph equipments. If the item can also be employed in making examinations of telephone equipments or circuits, use TEST SET, TELEPHONE. See also TEST SET, RELAY.

TEST SET,TELEMETERING SYSTEM

A test set which is primarily designed for use in making examinations of a telemetering system.

TEST SET,TELEPHONE

A test set primarily designed for use in making examinations of telephone lines, switchboards, and/or associated equipments. See also TEST SET, RELAY.

TEST SET,TELETYPEWRITER

A test set primarily designed for use in making examinations of teletypewriter equipments. If the item can also be employed in making examinations of telephone equipments or circuits, use TEST SET, TELEPHONE. See also TEST SET, RELAY.

TEST SET,TELEVISION

A test set primarily designed for use in making examinations of television equipments. See also TEST SET, ELECTRON TUBE; MULTIMETER; OSCILLOSCOPE; GENERATOR, SIGNAL; and TEST SET, AMPLIFIER.

TEST SET,THERMOSTATIC SWITCH

A test set primarily designed for use in making examinations of the performance of thermostatic switches.

TEST SET,TRANSPONDER SET

A test set specifically designed for use in making examinations of a transponder set.

TEST SET,VIBRATOR

A test set primarily designed for use in making examinations of the operation of vibrators used for electrical power conversion. See also TEST SET, ELECTRICAL POWER.

TEST SET,VIDEO SIGNAL DATA QUANTIZER

A test set primarily designed for use in making examinations of a video signal quantizer.

TEST SET,VOLTAGE REGULATOR

A test set primarily designed for use in making examinations of a REGULATOR, VOLTAGE.

ADAPTER,METER

A part designed to provide the necessary accommodations for mounting a meter in a panel space of a size different from that normally intended to accommodate it.

GENERATOR,SIGNAL

An instrument which produces a continuous audio and/or radio frequency voltage, and which is designed for test purposes only. It may provide an output at one or more fixed frequencies or be continuously variable over one or more bands. The fixed frequency type is distinguished from CALIBRATOR, FREQUENCY in that it is a voltage source and is not primarily intended for checking frequencies from other sources. Excludes GENERATOR, INTERFERENCE.

ARM,RECORDER PEN

A device which holds and may include a pen point for a recorder. It transmits the movements of the actuating mechanism to the pen point.

SIMULATOR,MICROPHONE

An item whose output matches the microphone that it simulates in impedance and potential. It is energized by direct connection to a signal generator. It may include case, cable, and plug adapter.

PANEL,TEST,ELECTRICAL

A panel upon which are mounted items such as meters, switches, resistors, jacks, binding posts, and like items, It is designed to be connected to many different types of electrical parts, equipment, or circuits for testing purposes. Do not use for items having specific test applications, such as TESTER (as modified); and TEST SET (as modified).

TEST SET,DOPPLER RADAR RECEIVER

A test set primarily designed for use in making examinations of the adjustments and operating efficiency of radar receivers which are part of moving target indicating (MTI) radar sets.

METER,ELECTRICAL,MULTIMOVEMENT

An item consisting of two or more independent meter movements which are actuated by the flow of electrical current, and whose pointers traverse a common dial, the scale(s) of which is calibrated in electrical units. For meters with associated circuits and/or switches, see MULTIMETER.

TRANSMITTER,INFRARED

A transmitter which emits energy in the infrared spectrum. It may include facilities for amplification and/or modulation. See also: LIGHT, INFRARED TRANSMITTER; LIGHT, TEST and TEST SET, INFRARED TRANSMITTER.

AMMETER,RECORDING

An instrument which measures the flow of electric current and is calibrated in amperes or any multiple thereof, and which in addition makes a permanent record of the current with respect to time.

RESISTANCE STANDARD

An item whose resistance is known to a high degree of accuracy which permits it to be used as a basis for determining the value of other resistances, capacitances, and/or inductances and for calibrating instruments. See also RESISTOR, FIXED (as modified) and SHUNT, INSTRUMENT. Excludes RESISTOR, DECADE.

MULTIPLIER,ELECTRICAL INSTRUMENT

An item consisting of two or more different parts such as resistors, coils and capacitors electrically connected and used to extend the voltage range and/or to reduce hazardous potentials in the input circuit of an instrument.

PANEL,MONITOR

A panel which is specifically designed to permit monitoring of intelligence such as that received by radio receivers, telemetric data receivers, and the like. It may provide facilities for remotely controlling a recorder, and to signal an operator by visual and/or audible means.

INDICATOR,ELECTRICAL POTENTIAL

An item specifically designed to indicate the presence of alternating current, pulsating direct current and/or static electricity by detecting the electrical field surrounding the object, such as a power line being tested without making physical contact. The method of indication may be audiable, such as a high pitched tone and/or visible, such as a flashing light(s). For items designed to indicate by physical contact with the object being tested, see INDICATOR, LINE VOLTAGE.

DETECTOR,RADIO FREQUENCY

An electronic device which demodulates radio frequency energy and may also provide a direct current control potential.

DETECTOR,VIDEO SIGNAL

An electronic device which demodulates video signals. It is used with equipment in which electrical impulses are converted into visual presentations on the screen of a cathode ray tube.

BOLOMETER,RADIO FREQUENCY

An item consisting of a radiant-energy heat-transducing element such as a thermistor, whose resistance changes with the absorption of radio frequency energy, contained in a cavity or other housing. May include tuning adjustments, pick-up loops, flexible transmission line, battery case, and the like. Usually used with a summation bridge to measure radio frequency power. For items consisting of a bolometer housed in a probe, see PROBE, WAVEGUIDE.

CAPACITANCE STANDARD,FIXED

An item whose capacitance value cannot be adjusted or varied, and is known to a high degree of accuracy which permits use of the item as a basis for obtaining precise and reliable measurements.

CAPACITANCE STANDARD,VARIABLE

An item the capacitance of which is continuously variable and is known to a high degree of accuracy which permits use of the item as a basis for precise and reliable measurements.

DRIVER,DELAY LINE

An item which processes an input signal to provide an increased signal amplitude to a delay line. It includes such items as carrier generator, modulator, and amplifiers. It may include the delay line.

RADIO INTERFERENCE MEASURING SET

A fixed number of components and/or items, not all having the same basic name, for making quantitative measurements of broad-band electrical and/or magnetic interference in the radio frequency spectrum.

ADAPTER,TEST

An adapter which provides facilities for electrically connecting an item to be tested and a piece of test equipment. Do not use for interconnecting cables. Includes plug-in electronic component socket adapters which provide terminations for dynamic testing while an electronic component is inserted. See also COUPLER, TEST SET.

INDICATOR,PHASE SEQUENCE

An item which indicates output phase sequence of a multiphase power source. It is generally used to facilitate proper electrical phase connections between a source and a load, and may also be used to make continuity tests.

CASE,TEST SET

CASE,TUNED CAVITY

BRIDGE,CAPACITANCE-INDUCTANCE-RESISTANCE

An electrical test instrument designed to measure the value of an unknown capacitance, inductance, and/or resistance by comparison with calibrated known capacitances, inductances, and/or resistances.

INTERCONNECTING BOX

An inclosure which includes mounts and protects such items as switches, circuit breakers, jacks, fuseholders, connectors, terminals and/or terminal boards, resistors, capacitors, transformers, and the like. It is primarily designed to interconnect two or more electrical and/or electronic items, except primary power source(s) such as generator(s) and battery(ies). It may include a cover or door. For inclosures which connect one or more primary power source(s) to one or more electrical and/or electronic item(s), see DISTRIBUTION BOX. See also CIRCUIT BREAKER BOX; TERMINAL BOX and INTERCONNECTING CABINET.

WHISTLE,TELEPHONIC TEST

A whistle specifically designed to produce a signal for testing telephone lines and/or equipment.

LEAD,TEST

A definite length of wire or cable with a CLIP (1), ELECTRICAL; CONNECTOR, PLUG, ELECTRICAL; CONNECTOR, RECEPTACLE, ELECTRICAL; JACK, TELEPHONE; PLUG, TELEPHONE; JACK, TIP; PLUG, TIP; or the like on one or both ends, and PROD, TEST on either end but not both ends. Active electronic components such as Capacitors, ELECTRON TUBE, Resistors, Semiconductor devices, and the like may be mounted into and included with LEAD, TEST for attenuation or amplification purposes. May or may not include accessories, such as CLIP (1), ELECTRICAL; TIP, TEST PROD; PROD, TEST; and TEST LEAD ATTACHMENT. For items consisting of more than one LEAD, TEST see LEAD SET, TEST. For items designed for direct attachment to a LEAD, TEST see PROD, TEST. For items designed for indirect attachment to a LEAD, TEST see TEST LEAD ATTACHMENT. For items not specifically designed for test purposes see LEAD, ELECTRICAL.

FILTER,LIGHT,CATHODE RAY TUBE

An item consisting of a light filter specifically designed for use with an OSCILLOSCOPE, indicator or other item having a cathode ray tube. May include mounting facilities such as a ring and/or other hardware, but must consist of only one filter. For items having graduations or scales, see SCALE, CATHODE RAY TUBE. See also FILTER ASSEMBLY, LIGHT, CATHODE RAY TUBE.

INDICATOR,RADIO FREQUENCY

An item designed to show the presence of radio frequency energy at or near its own resonant frequency. It consists of a pickup device, such as a coil or a parallel line, with an incandescent type lamp to give a visual indication. For calibrated items, see WAVEMETER.

RING,METER CALIBRATION

An item of ferrous or other magnetic material, usually flat and circular, and shaped to accommodate an electrical meter. It is used to simulate a magnetic panel for meters under test.

VOLTAGE STANDARD

An item designed to produce an electromotive force whose voltage is known to a high degree of accuracy. It serves as a standard of calibration for electromotive force. See also CURRENT-VOLTAGE STANDARD.

ROLLER,RECORDING INSTRUMENT CHART

A cylindrical item used to hold recording instrument charts in roll form.

AMPLIFIER-FILTER ASSEMBLY,ELECTRICAL

A component having the dual end functions of an amplifier and a filter assembly. The amplifier and the filter assembly are each used with associated components and may be used with each other.

CONVERTER,WAVE FORM

An electronic device which accepts an input signal of one waveform and produces an output signal of a radically different waveform. Excludes items which contain pulse generators requiring external triggering.

TIP,TEST PROD

The contact element of a PROBE, TEST.

RESONATOR,TUNING FORK

An electromechanical device consisting primarily of a tuning fork, drive coil(s), and pickup coil(s). It is designed to generate an alternating current voltage at the natural tuning fork frequency. It may also include capacitors, resistors, thermistors, varistors, heaters and thermostatic switches but excludes items with electron tubes.

MIRROR,OSCILLOGRAPH

HOUSING,ELECTRICAL METER

The outer component of an electrical meter designed to inclose, support and/or protect the meter mechanism. May include a window and/or provisions for adjusting the meter pointer. For items which inclose the complete functioning meter, see CASE, METER.

TABLE,RADAR MAINTENANCE

A table equipped with various electrical receptacles, circuit breakers, and terminal boards used in the maintenance, repair or testing of radar equipment.

TABLE,ELECTRICAL TEST AND MAINTENANCE

A table designed for general use in the testing of electrical circuits in the maintenance of instruments and appliances operated by electricity.

CASE,ELECTRICAL EQUIPMENT CABINET

ELECTRICAL STANDARDS SET

A grouping of items consisting of various standards of capacitance, inductance, resistance, voltage, and like items of known accuracy, calibrated for use as a basis for obtaining precise and reliable measurements.

TEST SET,INSULATION BREAKDOWN

A test set primarily designed to detect and indicate insulation breakdown in electric motors, transformers, and the like, at specific test voltages. See also TEST SET, ARMATURE; and OHMMETER.

INDICATOR,LINE VOLTAGE

An item specifically designed to test and/or monitor an electrical circuit and indicate its operating condition by means of a display, such as lamps or light emitting diodes. Examples of conditions being indicated are power on, no power, reversed polarity, open ground, open neutral, alternating current and/or direct current. It may or may not be used to indicate definite power line voltage ratings, such as 110, 220 and 440 volts. It is designed to be inserted in the circuit being tested. For items designed to indicate with out physical contact with the object being tested, see INDICATOR, ELECTRICAL POTENTIAL. See also LIGHT, TEST, and VOLTMETER.

TEST LEAD ATTACHMENT

An item designed for easy attachment to, or detachment from a spring type chuck or other device which is attached to an electrical test lead. For items which are connected directly to a wire or cable for making electrical tests, see PROD, TEST.

CALIBRATOR SET,FREQUENCY

A fixed number of components and/or items, not all having the same basic name, which are required for the generation of one or more fixed frequencies that are used to determine by comparison the frequency(ies) derived from other sources. See also FREQUENCY METER.

DETECTOR,RADIO FREQUENCY INTERFERENCE

An item primarily designed to locate objectionable radio frequency disturbances.

METER,MODULATION

An instrument which measures the relative amount of modulation present in an electrical wave form and is usually calibrated in percent or kilohertz (kilocycles) deviation. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

METER,STANDING WAVE RATIO

An instrument whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. It is calibrated for the display of voltage standing wave ratio. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

VOLTMETER

An instrument which measures electrical potential and is calibrated in volts or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

AMMETER

An instrument which measures electric current and is calibrated and marked in amperes or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. For current detecting type of devices, see GALVANOMETER.

GALVANOMETER

An instrument which shows the presence of an electric current and/or indicates the relative intensity thereof, but which is not calibrated in actual values. The instrument may or may not be connected into the circuit. The detection of the current is accomplished by measuring the mechanical motion produced by the electromagnetic or electrodynamic forces set up by the current. See also AMMETER; METER, ARBITRARY SCALE; and METER, NULL.

METER,POWER FACTOR

An instrument which measures the ratio between actual power and apparent power in an electrical circuit and is usually calibrated in percent. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. Excludes Wattmeter.

METER,ELECTRICAL FREQUENCY

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in Hertz (cycles per second or CPS). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see CALIBRATOR, FREQUENCY; and WAVEMENTER. Excludes: COUNTER ELECTRONIC DIGITAL.

INDICATOR,CHANNEL ALIGNMENT

An item specifically designed for aligning and indicating the alignment of channels in a portable radio set when a change of frequency has been accomplished by changing crystals. May also perform the function of checking the operating condition of the battery power supply.

METER,AUDIO LEVEL

An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. If other than audio frequency ranges, see METER, NOISE LEVEL.

METER,ARBITRARY SCALE

An electrically operated instrument which has a marked scale or digital readout display, but the unit of measurement is not given. May indicate electrical or nonelectrical effects but is primarily not a current detecting device; therefore, excludes GALVANOMETER. For instruments whose unit of measurement is not covered by a more specific item, see METER, SPECIAL SCALE.

METER,ANTENNA TILT

An item whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. The scale is calibrated in degrees indicating the tilt of an antenna.

METER,MAGNETRON CURRENT

An item whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. The scale is calibrated to indicate the magnitude of magnetron current flow but does not have units of electrical current such as amperes.

METER,RANGE INDICATOR

An electrically operated instrument which indicates scaler distance between a reference point and various other points.

INDICATOR,PULSE ANALYZER

A component which presents visually the characteristics of a received pulse of radio frequency energy. Does not include OSCILLOSCOPE.

INDICATOR,SYNCHRONIZATION

A component which presents visually the relationship between two different time intervals.

CALIBRATOR SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a calibrator, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

MODULATOR SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a modulator but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

OSCILLATOR SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of an oscillator but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

RECORDER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a recorder, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

SWEEP GENERATOR SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a sweep generator but which, in itself, is not a complete functioning item and cannot be assigned a more specific item name.

TUNED CAVITY SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a tuned cavity, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

CONTROL-POWER SUPPLY GROUP

A collection of items, which provide controlling facilities and supply operating power to other components.

DISPLAY-PLOTTING BOARD GROUP

A collection of items, which provide facilities for plotting and display of data.

FREQUENCY MULTIPLIER GROUP

A collection of items, which provide facilities for incremental frequency multiplication from a base, or fundamental frequency.

PULSE ANALYZER GROUP

A collection of items, which generate voltages proportional to the pulse width and pulse frequency of signals received from associated electronic equipment.

PULSE GENERATOR GROUP

A collection of items, which provide facilities for the generation of electrical pulses.

RADIO FREQUENCY MONITOR GROUP

A collection of items, which provide facilities for monitoring the radio frequency output of another set or component.

RECORDER GROUP

A collection of items, which provide recording facilities.

TEST BENCH,RADIO SET

A boxlike component of a TEST BENCH SET, RADIO SET, specifically designed for, and including facilities for substitution testing of the components of a RADIO SET. It unfolds to provide a working surface and provisions for application and control of electrical operating power to the components under test.

TEST SET GROUP,RADIO

A group that provides facilities for testing radio equipment.

TEST SET GROUP,WAVEGUIDE DEVICES

A group that provides facilities for testing waveguide systems and/or components.

TEST SET,AMPLIFIER

A test set specifically designed for making examinations of various types of amplifiers.

VARMETER

An item which measures the reactive volt-ampere characteristics of an electrical circuit into which it is inserted. Includes items calibrated in vars or any multiple and/or submultiple thereof. See also METER, POWER FACTOR.

DETECTING ELEMENT,DIRECTIONAL COUPLER

An item which is inserted in a directional coupler to provide specific frequency and power measurement ranges for an associated radio frequency wattmeter. See also PROBE, WAVEGUIDE.

OSCILLOGRAPH

An item which makes a permanent visual record of values and variations in electrical voltage, and of quantities which can be converted into terms of electrical potential. For items that are not separable and operable when detached from equipment of which they are a part (built into operational end equipment), see INDICATOR (2) (as modified); MONITOR (as modified); and RECORDER (as modified). See also OSCILLOSCOPE.

PARTS KIT,ELECTRONIC EQUIPMENT

Do not use if a more specific item name is applicable.

LAMP AND SCALE,GALVANOMETER

METER,HEIGHT

INC 19065 REINSTATED ON 020218~An item whose movement is actuated by the flow of electric current when inserted in an appropriate circuit. The scale is calibrated in units indicating distance above a reference level.

CONDUCTOR SECTION,TUNED CAVITY

DISK,SPARK GAP

DATA DISPLAY GROUP

A collection of items, that provide facilities for the display of data.

ELECTRONIC TIMING GROUP

A collection of items, that provide electronic timing facilities.

GENERATOR ASSEMBLY,SWEEP

Two or more generator sweeps having a common mounting or mounted on each other. They must be separable and each item must be capable of functioning in accordance with its given name.

TEST CENTRAL GROUP

A grouping of set(s) specifically designed for test functions.

LIGHT,TEST

An item specifically designed for testing an electrical circuit by means of a lamp. Generally consists of a LAMPHOLDER with test leads or similar connecting devices.

GENERATOR,INTERFERENCE

An electronic device which develops radio frequency signals that are amplitude or frequency modulated by random frequencies of erratic amplitude. The output signals are similar in nature to radio interference caused by atmospheric static.

TEST SET,MOTOR AND ARMATURE

A unit consisting of equipment for applying starting and running voltages to motors for trial purposes, and a magnetic armature tester. Includes transformer, start-run switch, leads and connections.

CALIBRATOR,ELECTRONIC ALTIMETER SET

A component used to determine the accuracy of calibration of an electronic altimeter.

CONTROL,ELECTRICAL SYNCHRONIZER

A control that determines the mode of operation of a SYNCHRONIZER, ELECTRICAL.

CONTROL,INDICATOR

CONTROL,INDICATOR-SYNCHRONIZER

A control that determines the mode of operation of an indicator(s) and a synchronizer(s).

RECORDER,RADIO FREQUENCY

A component which is designed to be electrically connected to a receiver and make a permanent representation of the signals received over a band of frequencies. Excludes RECORDER, SOUND; RECORDER, VIDEO.

GENERATOR,ELECTRONIC MARKER

An electronic device which generates electrical pulses of precise characteristics with respect to amplitude, shape, duration and recurrence. Such pulses serve as reference indices on the screen of a cathode ray tube for determination of data such as radar target range, azimuth, elevation and similar applications. See also GENERATOR, SIGNAL and GENERATOR, PULSE.

DRIVE,TUNING

A device which, when mechanically and/or electrically actuated, sets or rotates a tuning part (capacitor, inductor, line, switch) of an item such as a receiver, transmitter, signal generator, and like items, to a desired frequency. Electrically actuated devices may include wire connected controls. Does not include a knob, calibrated dial, or flexible shafting. See also KNOB; DIAL, CONTROL and DIAL, SCALE.

AMPLIFIER-DETECTOR

An electronic assembly which has the dual function of amplification and detection (demodulation). It has one or more amplifier circuits and one or more detector circuits. The circuits may be independent of each other with separate input/output terminations or they may be cascaded (series aiding) to provide a single output signal resulting from a single input signal. The source of power is usually common to all circuits. See also AMPLIFIER (as modified); and DETECTOR (as modified).

TEST SET,ARMATURE-STATOR

A test set primarily designed for use in making examinations of armatures and stators, such as detecting shorts, opens, or grounds by electrical or magnetic methods. For items primarily designed for testing armatures only, use TEST SET(1), ARMATURE.

MAINTENANCE KIT,ELECTRONIC EQUIPMENT

INSTALLATION KIT,ELECTRONIC EQUIPMENT

Items to include brackets, cables, and miscellaneous hardware used to provide a rapid installation and/or removal of electronic equipment, communication equipment and the like. For items consisting solely of assorted hand tools, see TOOL KIT (as modified). For items consisting solely of common and/or specially designed hardware specifically designed to secure electronic equipment, see HARDWARE KIT,ELECTRONIC EQUIPMENT.

GENERATOR,REFERENCE SIGNAL

An electronic device which produces precise signals accurately related to a quantity such as time. The output signals are permanently connected into and are essential to the operation of other devices or equipments. Excludes items used in testing or alignment operations. See GENERATOR, SIGNAL and TIME SIGNAL SET.

CONVERTER-OSCILLATOR

An item having the dual functions of changing the waveform of received frequency shift signals to amplitude modulated or direct current signals and of generating a radio frequency signal to be applied to a radio transmitter.

LEAD SET,TEST

Two or more LEAD, TEST. May include TEST LEAD ATTACHMENT.

FLUXMETER

An electrical instrument which measures magnetic flux. With appropriate calibration it can be used for measurement of the intensity of a magnetic field. See also METER, FIELD STRENGTH.

SCALE,SLOTTED LINE

A thin, flat strip of plastic, metal, or other material, the edge of which is graduated in units of linear measurement such as centimeters or millimeters. It is attached to a slotted line for the physical measurement of the distance between nodes and/or antinodes of standing waves of radio frequency energy existing in a transmission line or wave guide system.

DISK,LIGHT INTERRUPTING

A circular plate specifically designed to rotate and permit the passage of light from a source, by virtue of holes or transparent sections contained therein. Excludes DISK, STROBOSCOPE.

PROBE,ELECTRICAL FIELD,INTERFERENCE MEASURING

An item which is specifically designed for use as a search probe in conducting radio interference measurements by determining the existence and extent of an interfering electrical field.

PROBE,MAGNETIC FIELD,INTERFERENCE MEASURING

An item which is specifically designed for use as a search probe in conducting radio interference measurements by determining the existence and extent of an interfering magnetic field.

SCALE PLATE,ELECTRICAL METER

A plate of suitable material numbered or marked to give significance to the unnumbered scale markings of a basic meter. It is not part of but is designed for attachment to the front of the meter and has an opening sufficiently large to permit observation of the meter scale and pointer. See also DIAL, SCALE.

RECORDER,SIGNAL DATA

An item which makes a permanent representation of electronic signal data derived from target parameters, guidance and evaluation signals, and the like, These signals may be above or below 20,000 hertz. They may be in digital and/or analog form, the characteristics of which limits useful playback to a compatable reproducer. These items usually include multichannel signal input facilities for the simultaneous recording of several types of signals. Excludes RECORDER, SOUND.

TEST SET,RADIO FREQUENCY POWER

A test set primarily designed for use in making examinations of the power output of radio frequency oscillators and radio and radar transmitters. See also TEST SET, ELECTRICAL POWER; and WATTMETER.

PARTS KIT,RADAR TEST SET

TEST SET GROUP,BAROSWITCH

A test set group used with a baroswitch test set to test baroswitch assemblies.

CALIBRATOR,VOLTAGE

An item specifically designed to determine by comparison accurate input and output voltages of major electronic components. Excludes VOLTMETER and VOLTMETER, ELECTRONIC.

AMPLIFIER-CONVERTER

A single component that provides amplifying and frequency converting facilities.

FREQUENCY MEASURING SET

A fixed number of components and/or items, not all having the same basic name, for the passive detection and direct display of the frequency being measured. May exclude certain operating components supplied separately or already present at the point of usuage. For items using the heterodyne principle of frequency determination, see FREQUENCY METER. See also METER, ELECTRICAL FREQUENCY. For items using the absorption principle of frequency determination, see WAVEMETER.

MONITOR,VOLTAGE DEVIATION

An item that accepts fixed voltages from test points in another component or set, and displays them in such a manner that deviation from a predetermined voltage value is readily apparent. The display is in terms of "good" and "bad" and is not in terms of voltage values. For items that display the same or similar information that is derived from a radio frequency signal input, see MONITOR, ERROR VOLTAGE. For items that indicate voltage values in either scaler or digital form, see VOLTMETER. See also INDICATOR (as modified).

PHASEMETER

An item that indicates in electrical degrees the displacement between two or more wave forms. See also INDICATOR, PHASE SEQUENCE.

BRIDGE,RESISTANCE-VOLTAGE

A test instrument which will measure resistance and voltage ratios by the direct ratio method of measurement and will also measure resistance and voltage values.

CALIBRATOR,STANDING WAVE RATIO INDICATOR

An item that is used to determine by comparison, the accuracy of an INDICATOR, STANDING WAVE RATIO.

MODULATOR,SIGNAL GENERATOR

A single component that varies the amplitude, frequency, or phase of the output of a signal generator to which it is directly connected. The modulating signal may be internally generated, or may be derived from an external source.

CALIBRATOR,AUDIO LEVEL

An item that, when used with an associated audio frequency signal generator, determines by comparison the output level of an audio frequency voltage. The meter is marked in volts or submultiples thereof. For items utilizing a meter the scale of which is marked in decibels or comparable units, and which do not require a driving oscillator, see METER, AUDIO LEVEL. See also METER, MODULATION and METER, S-UNITS.

FREQUENCY MULTIPLIER-OSCILLATOR

A single component with the dual function of a frequency multiplier and an oscillator. For items consisting of essentially the same functional characteristics but providing simultaneously a multiplicity of output frequencies see SYNTHESIZER, ELECTRICAL FREQUENCY.

HOUSING,INDICATOR

CARRIAGE,SLOTTED LINE,COAXIAL-WAVEGUIDE

A component of a SLOTTED LINE, COAXIAL and/or SLOTTED LINE, WAVEGUIDE which provides for precise longitudinal mechanical movement of a PROBE WAVEGUIDE. It has a calibrated direct reading metric vernier scale or dial gage indicator which is used in the determination of standing wave ratios. It may include a probe.

TEST SET,FREQUENCY RESPONSE

A test set primarily designed for use in making examination of frequency response of OSCILLOSCOPE(S), MULTIMETER(S), and the like.

LEG,TRIPOD MOUNT

An item which, in conjunction with two similar items, aids in the support of a machine gun, recoilless gun, rifle or the like. It is a component of a MOUNT, TRIPOD (as modified); or a TRIPOD, RIFLE MOUNT; and may be a single or sectional item with an integral or nonintegral foot. Excludes LEG, GUN MOUNT. See also LEG SECTION, TRIPOD MOUNT.

LEG SECTION,TRIPOD MOUNT

An item which in itself is not a complete functioning item. It consists of parts which, together with other similar parts, form a LEG, TRIPOD MOUNT.

SLOTTED LINE,COAXIAL

An item consisting of a coaxial slotted section, and suitable terminations for connecting into a coaxial transmission line. It is designed for use in microwave measurement. It must include an integral carriage which provides for applying longitudinal mechanical motion to a PROBE, WAVEGUIDE. It has a calibrated direct reading metric vernier scale and may have facilities for mounting a dial gage. It may include a probe. See also SLOTTED SECTION, COAXIAL; LINE SECTION, RADIO FREQUENCY TRANSMISSION; INDICATOR, STANDING WAVE RATIO.

SLOTTED LINE,WAVEGUIDE

An item consisting of a waveguide slotted section and suitable flanges for connecting into a waveguide transmission line. It is designed for use in microwave measurement. It must include an integral carriage which provides for applying longitudinal mechanical motion to a PROBE, WAVEGUIDE. It has a calibrated direct reading metric vernier scale and may have facilities for mounting a dial gage. It may include a probe. See also SLOTTED SECTION, WAVEGUIDE; LINE SECTION, RADIO FREQUENCY TRANSMISSION; INDICATOR, STANDING WAVE RATIO.

KLYSTRON TUBE MOUNT

An item which accommodates a reflex klystron type tube used as a radio frequency source, to test and/or calibrate micrrowave components. The item has input and output connections and may include forced air cooling. This item is specifically designed to be electically and mechanically attached to a KLYSTRON POWER SUPPLY.

INDUCTANCE STANDARD,VARIABLE

An item, the inductance of which is continuously variable, and is known to a high degree of accuracy, which permits use of the item as a basis for precise and reliable measurements. The variation is usually accomplished by rotating a rotor coil(s) with respect to a stator coil(s).

TEST SET GROUP,ELECTRONIC SYSTEMS

A test set specifically designed for use in making examinations and providing discrete evaluations of the overall performance of a system(s) or subsystem. A system consists of two or more sets, a subsystem is grouping of two or more sets.

CURRENT-VOLTAGE STANDARD

An item designed to produce an alternating current, direct current, and electromotive force with high degree of accuracy. It serves as a standard of calibration for AMMETER(S), VOLTMETER(S), WATTMETER(S), and similar devices that require accurate voltage and/or current inputs for calibration purposes. See also VOLTAGE STANDARD. For items whose outputs are used to operate other electrical or electronic equipment, see POWER SUPPLY.

SLOTTED SECTION,COAXIAL

An item with suitable terminations for connecting into a coaxial transmission line system. It contains a small longitudinal slot designed so that a PROBE, WAVEGUIDE can move parallel to the inside surface of the coaxial section. It is designed to fit a CARRIAGE, SLOTTED LINE, COAXIAL-WAVEGUIDE. The assembly of the slotted section and the carriage is equivalent to a SLOTTED LINE, COAXIAL. See also LINE SECTION, RADIO FREQUENCY TRANSMISSION; INDICATOR, STANDING WAVE RATIO.

SLOTTED SECTION,WAVEGUIDE

An item with suitable terminations for connecting into a waveguide transmission line system. It contains a small longitudinal slot designed so that a PROBE, WAVEGUIDE can move parallel to the inside surface of a the waveguide section. It is designed to fit a CARRIAGE, SLOTTED LINE, COAXIAL-WAVEGUIDE. The assembly of the slotted section and the carriage is equivalent to a SLOTTED LINE, WAVEGUIDE. See also LINE SECTION, RADIO FREQUENCY TRANSMISSION; INDICATOR, STANDING WAVE RATIO.

TEST SET,SEMICONDUCTOR DEVICE

A test set specifically designed for use in making examinations of diodes, transistors, and the like. These examinations may be effected in or out of circuit or both.

STANDING WAVE RATIO INDICATOR SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, STANDING WAVE RATIO, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

COUNTER,ELECTRONIC,DIGITAL READOUT

An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also COUNTER, ELECTRONIC, DIGITAL and INDICATOR, DIGITAL DISPLAY.

BRIDGE,VOLTAGE

A test instrument designed to measure an unknown voltage by electrical comparison with a VOLTAGE STANDARD. Excludes BRIDGE, RESISTANCE-VOLTAGE.

WATTMETER

An instrument which measures one or more different electrical power quantities (such as decibels and watts), and is calibrated using watts. The power measurement and/or calibration may be displayed in multiples and/or submultiples thereof on a dial and/or digital readout display. For items designed to measure radio frequency power see TEST SET, ELECTRICAL POWER and METER, MULTIPLE SCALE. Excludes: AMMETER; FREQUENCY METER; MULTIMETER; VOLTMETER.

MONITOR,AUDIO-RADIO FREQUENCY

A receiver for reproducing audio and radio frequency transmission without interfering with it. It is used for checking on the operation of the transmitter, having audio and radio frequency output, with regard to quality, deviation from assigned bands, materials transmitted, etc. It may include remote indicators.

TEST SET,CABLE SHIELD RESISTANCE

A test set primarily designed for use in making examinations of cable shields and/or cable shields and attached electrical connectors. The test may be conducted in either the mated or unmated condition. Excludes TEST SET, ELECTRICAL CABLE; and TEST SET, POWER-SPECIAL PURPOSE ELECTRICAL CABLE ASSEMBLY.

TEST SET,ELECTRICAL FILTER

A test set primarily designed for use in making examinations of electrical filters.

TEST BENCH,RADAR SET

A boxlike component of a TEST BENCH SET, RADAR SET; specifically designed for and including facilities for substitution testing of the components of a RADAR SET. It unfolds to provide a working surface and provisions for application and control of electrical operating power to the components under test.

TEST BENCH SET,RADAR SET

A fixed number of complete electronic components and/or items, not all having the same basic name, for testing components of a RADAR SET by the substitution method. Components of a RADAR SET are systematically substituted for the test bench component until the defective system component is located. It may include provisions for auxiliary control and monitoring of the complete RADAR SET while under test conditions.

COULOMETER,ELECTRONIC

An electrolytic cell for the measurement of quantities of electricity by quantitative determination of chemical changes. Coulometers are used for the determination of quantities of electricity in standardization procedures and some electroanalytical measurements.

TEST SET,SIGHT,THERMAL IMAGING SYSTEM

A test set specifically designed for testing and fault isolating thermal imaging sight systems. May include collimation and simulation capabilities. Excludes TEST SET (1), FIRE CONTROL SYSTEM and TEST SET (1), FIRE CONTROL SUBSYSTEM.

KEYBOARD,DATA ENTRY

A device for data input by key depression which causes the generation of the selected character, numeral or the like.

INDICATOR BOX,SWITCH CIRCUIT

An enclosure which mounts and protects but may not include one or more electrical lamps or display units and wiring circuits to indicate activation of an electrical circuit(s) by changes in the position of a rotary switch or toggle switch actuator. It may include a cover with windows for the lamps or display units. The cover may be stamped, printed or otherwise marked to identify each circuit or switch position. Does not include switch(es). It does not function as a complete indicator.

TEST SET,RATE GYROSCOPE

A test set specifically designed to test the function and responses of a GYROSCOPE, RATE. It may be designed with a self-test capability. It may include test cables and an external power source cable.

ADAPTER,MICROPROCESSOR

An item designed to interface a microsystem troubleshooter with equipment to be tested. The item contains a microprocessor of the same type as the unit being tested.

METER,REPLACEMENT

The replaceable meter portion of a complete instrument such as a VOLTMETER, MULTIMETER, OHMMETER. Does note include panel type meters and complete assemblies. Excludes METER, MOVEMENT.

VOLTMETER,RECORDING

An instrument which measures electrical potential and is calibrated in volts or any multiple and/or submultiple thereof, and makes a permanent record of the electrical potential with respect to time. See also VOLTMETER.

TEST SET,TELECOMMUNICATION SYSTEM

A test set designed for use in examining a telecommunication system or subsystem, and providing discreet evaluation of its performance. Its testing capabilities are multiapplication and not limited to measuring single performance characteristics. provides the facilities for voice-grade, program and/or data line testing.

ADAPTER KIT,TEST

An adapter kit containing items such as adapters, cables, power supply, switching units, and auxiliary test means. Cases and special tools may be included. It is used to adapt items to the standard interface of a piece of test equipment.

TEST PROGRAM SET

A collection of items consisting of electrical/electronic and other specialized equipment used for inspection, fault isolation, maintenance and/or repair and any other evaluations of the components and/or equipment. May include cables, fixtures, interface test adapter, software and operational instructions.

OSCILLOSCOPE MAINFRAME

A test instrument, which when used with one or more PLUG-IN UNIT, ELECTRONIC TEST EQUIPMENT, performs as an OSCILLOSCOPE. It consists of a cathode ray-tube, a means for connecting one or more PLUG-IN UNIT, ELECTRONIC TEST EQUIPMENT, and the switching circuitry necessary to integrate for use as an OSCILLOSCOPE. For a mainframe with PLUG-IN UNIT, ELECTRONIC TEST EQUIPMENT already included. see OSCILLOSCOPE.

CASE,ELECTRICAL-ELECTRONIC TEST AND MEASURING EQUIPMENT

A case specifically designed for electrical-electronic test and measuring equipment. It may be designed to protect against shock and vibration.

TEST SET,NIGHT VISION VIEWER

A test set designed for making physical and electrical characteristics examinations of a VIEWER,NIGHT VISION.

PROGRAMMER,MICROCIRCUIT

A device used to imprint information on a microcircuit including EPROMS and single chip microcomputers. The device may also edit, verify and/or erase existing programmed microcircuits. The device may include remote controls and associated software packages.

MONITOR,WAVEFORM

A test instrument designed to give visual indications on a cathode ray tube. It is used to view a composite video waveform, based on a time interval. For item designed to monitor and analyze waveforms see ANALYZER, SPECTRUM. For multipurpose items see OSCILLOSCOPE.

TEST STATION,ELECTRICAL-ELECTRONIC EQUIPMENT

A group of items including a console and peripheral equipment specifically designed for use in testing electrical-electronic equipment. May include self-test capabilities. See TEST STATION, GUIDED MISSILE; FAULT LOCATOR (as modified)

ADAPTER GROUP,COMPUTER TEST SET

A group of items composed of the necessary test card assemblies, extender assemblies, cables, plugs and the like to be used as an interface between the computer test set and item under test.

CONTROL PANEL,TEST

A panel that is specifically designed to control the actions of and is an integral part of a test set or a test station. Excludes PANEL, TEST, ELECTRICAL; PANEL, POWER DISTRIBUTION; PANEL, INDICATOR; and PANEL BLANK.

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

PROBE-LEAD ASSEMBLY,TEST

A definite length of wire or cable with a CLIP, ELECTRICAL; CONNECTOR, PLUG, ELECTRICAL; CONNECTOR, RECEPTACLE, ELECTRICAL; JACK, TELEPHONE; JACK, TIP; PLUG, TIP; or the like on one or both ends and PROBE, TEST on either end but not on both ends. Electronic components, such as capacitors, electron tube, resistors, semiconductor devices, and the like are mounted into and included with the item for attenuation or amplification purposes. May or may not include accessories such as CLIP, ELECTRICAL; PROBE, TEST; TEST PROBE ATTACHMENT. For items without electronic components see, LEAD, TEST. For items designed for direct attachment to a PROBE-LEAD ASSEMBLY, TEST see PROBE, TEST. For items designed for indirect attachment to a PROBE-LEAD ASSEMBLY, TEST see TEST PROBE ATTACHMENT.

TEST PROBE ATTACHMENT

An item designed for easy attachment to, or detachment from a spring type chuck or device which is attached to an electrical test probe. For items designed to be connected to a wire or cable or making electrical tests and include electronic components see PROBE, TEST.

PROBE,TEST

An item which is designed to be attached to but does not include a wire or cable. It is used in the testing of electric or electronic circuits. Electronic components such as capacitors, electron tube, resistors, semiconductor devices and the like are mounted into and included with the item. Excludes PROBE-LEAD ASSEMBLY, TEST and TEST PROBE ATTACHMENT.

ADAPTER,MICROCIRCUIT PROGRAMMER

A device which is used in conjunction with a PROGRAMMER, MICROCIRCUIT and provides the means for connecting a specific family of microcircuit devices to the programmer. It may have facilities for verifiying that the microcircuit being mounted is of the correct type, that it is installed correctly, that it is blank, or that a previously programmed microcircuit is usable with the present program.

GENERATOR,NOISE

An item that generates one or more types of noise signals, covering a specific portion of the frequency spectrum. Types of noise generated may include gaussian, impulse, thermal or the like. The noise generated may be essentially random or of known content and durration at a fixed rate.

TEST SET,LASER DETECTING

A combination of items, including a SIMULATOR, LASER DETECTING, designed to verify working integrity of a LASER DETECTING SET.

TESTER,SAFETY,ELECTRICAL MEDICAL EQUIPMENT

A device capable of testing several parameters of the electrical equipment used in hospitals on or near patients.

COVER,ELECTRICAL-ELECTRONIC TEST AND MEASUREMENT EQUIPMENT

A cover of various shapes and sizes used to cover electrical-electronic test and measurement equipment.

FREQUENCY STANDARD

An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.

TEST SET SUBASSEMBLY,ELECTRICAL AND ELECTRONIC TEST EQUIPMENT

TEST SET,TRANSMISSION LINE

A test set specifically designed for use in making examinations of a LINE, RADIO FREQUENCY TRANSMISSION.

TEST SET,TRANSMITTER

A test set specifically designed for use in making examinations of a TRANSMITTER (as modified).

SWITCH,ELECTRONIC

An electronic device which provides for the transfer of the electrical signal input from one component to another, or between two or more components. It may also provide a continuous sequence of switching or sampling of a number of circuits. See also GATE, ELECTRONIC.

TEST SET,TEMPEST TESTING,MOBILE

A test set designed for detecting and analyzing compromising emanations from information processing equipment.

TEST SET GROUP,TEMPEST TESTING,MOBILE

A group designed to be used in conjunction with a TEST SET (1), TEMPEST TESTING, MOBILE.

TRIPOD,TEST EQUIPMENT

A supporting frame consisting of three legs and necessary connecting parts to which a mounting plate may or may not be attached. Used for support of test equipment outside the laboratory (field testing). Excludes TRIPOD, PHOTOGRAPHIC and TRIPOD, RIFLE MOUNT.

TEST SET,DATA TRANSMISSION LINE

An item designed for making examinations and/or analyzing data transmission lines for correctness of transmitted data structures. It may or may not include a printer, hard or floppy disk drive, connection facilities for these items or the like.

TEST STATION,INFRARED EQUIPMENT

A group of items including a console and peripheral equipment specifically designed for use in testing infrared/thermal imaging systems. The station may include self-test capabilities.

FIXTURE,TEST,ELECTRICAL-ELECTRONIC EQUIPMENT

A fixture used to position an electrical/electronic device in a specific manner during testing of its various functions.

CONTROLLER,TEST,ELECTRONIC SYSTEM

A device used to control test assets over a standard or non-standard bus. May also contain the processing capability necessary to interpret data received from the assets and to execute programs from either internal memories. Excludes CONTROLLER, TEST, GUIDED MISSILE SYSTEM.

ACCESSORY KIT,ELECTRICAL-ELECTRONIC TEST EQUIPMENT

A group of items such as alligator clips, connectors, test leads, test probes, cables, jumper wires, terminals, and the like. It may include a meter for testing.

REFLECTOMETER,OPTICAL TIME DOMAIN

An instrument used to measure the reflected power of an optical light pulse in a FIBER, OPTIC or a CABLE, FIBER OPTIC with respect to time. Excludes TEST SET, OPTICAL POWER.

FREQUENCY REFERENCE AND ELECTRONIC DISTRIBUTION UNIT

An item consisting of oscillators, amplifiers, waveform clippers, frequency dividers and the like. It provides a series of pulses, or pulse reference frames of information relating to precise time data, including time of day data in binary coded decimal format, that is applied to other components for the purposes of synchronization, parameter measurement, control and performance monitoring/fault location. Excludes GENERATOR, DIGITAL CLOCK PULSE; GENERATOR, REFERENCE SIGNAL; and Amplifier-Oscillator.

CONTROL,TEST

An item designed to interface with two or more components of TEST SET, RADIO to provide readiness verification and fault isolations. It measures and controls power inputs, frequencies, and time intervals. In addition, it provides signal switching and processing capabilities.

ANALYZER,NETWORK

An instrument that measures transfer function and/or impedance function, or both, of linear networks through sine wave testing.

PROGRAM SET,APPLICATION

An item used in conjunction with automatic test equipment for trouble shooting and testing circuit cards and assemblies. It consists of interface devices for interfacing circuit cards, assemblies, software in the form of tapes and disks that are loaded into automatic test equipment. The contents of the item are integrated into a transit case. A technical manual is included for operation and maintenance.

ANALYZER,DIGITAL DATA,ELECTRONIC TEST

An instrument designed to receive and process digital signals from associated components in order to perform analysis of logic states, timing functions and microprocessor control. May include a display screen and/or triggering capabilities.

TEST EQUIPMENT,COMMUNICATION SECURITY SYSTEMS

Unique test equipment or test stations designed to fault isolate anomalies and authenticate equipment/item status of specific communication security systems.

TEST SET,NAVIGATION

An item or group of items specifically designed to examine and evaluate long range, short range or tactical type navigation sets. See also TEST SET, SIGNAL GENERATOR and TEST SET, RADAR.

GENERATOR,FUNCTION,ELECTRONIC TEST

A specifically designed generator, used for electronic testing, which stimulates devices and/or circuits under test by simulating various waveforms such as sine, square, triangular, pulse or arbitrary. May include modulation, sweep, synthesizing and/or calibration facilities. See also GENERATOR (as modified).

TEST SET,BORESIGHT COLLIMATOR

An instrument that is specifically designed for use in making examinations of the boresight collimator which is used to align sights. It may or may not include special tools, case, mirrors and the like.

CONVERTER,SIGNAL DATA SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a CONVERTER, SIGNAL DATA, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

METER,NOISE LEVEL

An instrument which measures the level of continuous noise present in amplifier and/or receiver circuits with reference to a fixed level of signal generated by a separate noise source. It is designed to measure noise levels over a wide band of frequencies including radio and video frequencies, and is normally calibrated in decibels relative to a specified r.m.s. voltage summation across a specified impedance, or in decibels relative to a specified noise power level. If only audio frequency range, see METER, AUDIO LEVEL.

TEMPLATE,VIDEO DISPLAY PATTERN

A normally flat item with etched or marked patterns, designed to be used for, but not limited to, the alignment, convergence or raster scan of video display monitors. It is placed upon the video screen while the video is adjusted until the generated patterns line up with the template patterns.

SCALE,TUNING

A thin, flat strip of plastic, metal or other material, the edge of which is graduated in units of linear measurement such as centimeters or millimeters. Excludes SCALE, SLOTTED LINE and DIAL, SCALE.

TEST SET,ELECTRONIC ALTIMETER

A test set primarily designed to perform fault isolation and routine maintenance testing of electronic altimeters. See also CALIBRATOR, ELECTRONIC ALTIMETER SET; TEST SET (1), RADAR and TEST SET (1), RADIO.

SENSOR,CURRENT

An item specifically designed to sense the current in an electric circuit by virtue of inductance, electromotive force or the like. The output may be in the form of an electrical signal, on a display, or some means of indicating the electrical current.

TEST SET,RADIO RELAY

An item specifically designed for making examinations of a RADIO RELAY SYSTEM, including a signal data translator, radio transmitter, radio receiver, and interference cancellation group.

ANALYZER SET,SPECTRUM

A fixed number of components and/or items, not all having the same basic name, which measures the amplitude and frequency of the constituents of a complex electrical waveform.

TEST SET GROUP,FAST DIRECTION FINDING

The unit is a processor controlled test station used to control and provide stimulus for testing and troubleshooting various subsystems and line replaceable units. Performs interactive testing provided by files stored within the test data processing unit. Also used as a platform for programming the airborne data processing units. Also provides Electronically Programmable Read Only Memory (EPROM) programming capability.

TEMPLATE,TEST POINT

A thin sheet of material, having cut-out portions and labelling, designed to identify the unique functions of specific test points when used as an overlay on related electrical/electronic equipment.

DATA ACQUISITION UNIT

A specifically designed item which receives analog and/or digital signals from a variety of sources such as strain gages, thermocouples, transducers, manual data entry devices and the like and processes them to provide a useful output for monitoring, recording internally or externally, and/or analyzing etc. It may provide for single or multiple inputs and/or outputs.

METER,ENERGY MONITORING

A device designed to monitor and analyze electrical demand and usage to specifically defined power areas and/or equipment.

TEST SET,COUNTERMEASURES DISPENSING SET

A test set primarily designed for use in making examinations of a DISPENSING SET, COUNTERMEASURES. It may include one or more test units, carrying case, cable, computer and the like.

GENERATOR,SIGNAL DATA

An electronic test instrument, designed to output serial and/or parallel data pulses of variable widths and logic levels, for testing digital systems. Instrument may be portable or rack mounted as part of a larger test set. See also GENERATOR (as modified).

CHASSIS,PLUG-IN UNIT,ELECTRONIC TEST

An open framework designed for plug-in mounting of (but does not include) modular electronic test instruments. May provide power supply, electrical and/or mechanical interface, or cooling facilities for each electronic test plug-in unit slot. Entire chassis may be rack mounted. For mounting of electrical components other than modular test equipment, see RACK, ELECTRICAL EQUIPMENT or CHASSIS, ELECTRICAL EQUIPMENT. See also OSCILLOSCOPE MAINFRAME.

DRAWER,ELECTRICAL TEST SET ADAPTER

An item designed to fulfil a partial function in an ADAPTER (2), TEST which is constructed as a drawer unit. The item is not functional without other drawer units.

TEST SET,INTERFACE

An item designed to test the functional sequence and/or operational state of interfaces.

TEST SET,CIRCUIT BREAKER

A test set used predominantly to test the function of electrical circuit breakers, such as fault current circuit breakers or earth leakage protective switches.

ADAPTER SUBASSEMBLY,ELECTRICAL TEST SET

An item which is a subassembly of an Adapter, Electrical Test Set and cannot be assigned a more definite item name.

ANALYZER,LOCAL AREA NETWORK

A portable instrument able to perform network troubleshooting and analysis on current systems. It has the capability to monitor, decode, and display data traffic in an open-system environment. It also provides real-time statistical analysis of network traffic, simulate and emulate network protocols. Excludes ANALYZER, WIDE AREA NETWORK (WAN).

ANALYZER,WIDE AREA NETWORK

A portable instrument able to perform network troubleshooting and analysis on current systems outside the scope of a Local Area Network (LAN). It has the capability to monitor, decode, and display data traffic in an open-system environment. It also provides real-time statistical analysis of network traffic, simulate and emulate network protocols. May or may not have the capabilities of being used on a Local Area Network (LAN). Excludes ANALYZER, LOCAL AREA NETWORK (LAN).

TEST SET,TOW

A unit primarily designed for use in making examinations of electronic components, circuits, and/or electronically controlled systems for the Tube-Launched, Optically-tracked, Wire-guided (TOW) antitank missile.

ANALYZER,LOCAL-WIDE AREA NETWORK

A portable instrument able to perform network troubleshooting and analysis on current systems (Local and Wide Area Networks). It has the capability to monitor, decode, and display data traffic in an open-system environment. It also provides real-time statistical analysis of network traffic, simulate and emulate network protocols. Excludes ANALYZER, WIDE AREA NETWORK (WAN) and ANALYZER, LOCAL AREA NETWORK (LAN).

TEST SET,ANTITANK GUIDED MISSILE

A unit primarily designed for use in making examinations of electronic components, circuits, and/or electronically controlled systems for an antitank guided missile.

ADAPTER,CABLE BREAKOUT

An item designed to electrically and physically accommodate cable connectors and the terminations to which the cable would normally be connected, and thereby provide facilities for the insertion of test equipment leads, probes, and the like, for test and/or monitoring of power, intelligence, and the like, that may be on the wire complement of the cable. The item may provide facilities for either series, shunt, or interwire tests of the cable under actual operating conditions.

ADAPTER SET,CABLE BREAKOUT

A set consisting of two or more ADAPTER, CABLE BREAKOUT with associated connecting cables that provide facilities for the insertion of test equipment leads, probes, and the like, for test and/or monitoring of power, intelligence, and the like, that may be on the wire complement of the cable. The item may provide facilities for either series, shunt, or interwire tests of the cable while under actual operating conditions.

ADAPTER SET,TEST

A grouping of items consisting of two or more ADAPTER (2), TEST. May include a mounting, or other facility for storage and rapid access to individual adapters.

AMPLIFIER-LIMITER

A single component with the dual function of amplification and of electronically establishing parameters defining the maximum excursion of a signal(s).

AMPLIFIER-MONITOR

An item having the dual function of an amplifier and of presenting operational information. The amplifier and monitor are each used with associated components and may be used with each other.

CALIBRATOR,TIMER

An electromechanical device designed to provide facilities for the calibration of a timer.

CALIBRATOR SET,RADAR TEST SET

A fixed number of components and/or items, not all having the same basic name, which are required for determining by comparison the accuracy of a TEST SET, RADAR.

COMPARATOR,DIGITAL DATA

A single component that correlates digitized information received from two or more individual sources. For items that correlate nonspecific signal information, see COMPARATOR, SIGNAL.

COMPARATOR ASSEMBLY,DIGITAL DATA

A collection of two or more COMPARATOR, DIGITAL DATA having a common mounting or mounted on each other, designed to correlate digitized information received from two or more individual sources.

COUNTER ASSEMBLY,ELECTRONIC,DIGITAL

COUPLER,DIGITAL DATA

An item which provides a means of transferring digital data between two or more comparators, peripherals or the like.

COUPLER,TEST SET

A component which provides a means of transfer of electrical energy between a test set and another component(s). See also ADAPTER, TEST.

COUPLER,SELECTOR,TEST SET

A single component with the dual function of providing coupler facilities, and of selecting components of another item during the conduct of a testing operation.

DIVIDER,POWER,RADIO FREQUENCY

An item specifically designed to separate incoming radio frequency power into predetermined proportional values at its output terminals.

DOLLY,TEST EQUIPMENT

A hand-propelled device consisting of three or more wheels attached to a frame, and designed for carrying or supporting test equipment. May include facilities for connecting and interconnecting components of the test equipment to obtain electrical operating power or functional utility. Test equipment components are not included.

EXCITER,IMPACT CRYSTAL

A device designed to create mechanical shocks of uniform intensity. It is used to excite impact crystals, which generate electrical pulses that may be measured by a test set.

GENERATOR,DIGITAL CLOCK PULSE

An item consisting of an oscillator, amplifiers, waveform clippers, frequency dividers, and the like. It provides a series of pulses, or pulse reference frames of information relating to precise time data, that is applied to other components for purposes of synchronization and control. It may derive signals from internal circuitry, auxiliary external circuitry, or from sources such as the National Bureau of Standards Radio Station WWV. The item may include an integral register for circuit monitoring and adjustment purposes only. For items that are not compared to a standard time signal source, but are used as time bases for system triggers, synchronizing sources and the like, see GENERATOR,REFERENCE SIGNAL; GENERATOR,ELECTRONIC COMMAND SIGNALS and GENERATOR,PULSE.

INDICATOR,DIGITAL DISPLAY

An indicator which displays incremental information derived from discrete electronic signals from another item, such as a computer, on the face of a cathode ray tube, or by means of gaseous discharge type lamps which are part of a decade counting device. The displayed data may be in the form of letters, numerals, symbols, or any combination thereof. For liquid crystal displays or semiconductor type, see also DISPLAY, OPTOELECTRONIC. Excludes ANNUNCIATOR AND ALARM (as modified). See also COUNTER, ELECTRONIC, DIGITAL&#59; INDICATOR, SYMBOL INDICATING&#59; and VOLTMETER.

INDICATOR,FAULT LOCATING

An electrically activated item specifically designed to indicate the occurrence of a malfunction in a component of an electronic set, central or system. It may indicate the malfunction by a pop-out button (e.g. ground fault interrupt outlets) or color change by emitted light or displayed in a window. The indicator may utilize a "push to test" button. It does not make quantitative or qualitative tests such a provided by test sets.

METER,AMPERE-HOUR

An item which measures the flow of electric current during an elapsed period of time and indicates the quantity of electricity in ampere-hours or any multiple thereof.

PROBABILITY SET,ELECTRICAL NOISE AMPLITUDE

A set for the determination and display of the occurrence probability of electrical noise signals during a unit time interval.

PROBE,REFRACTOMETER

An electrically resonant cavity, the frequency of which varies in accordance with the refractive index of air.

RECORDER,COORDINATE DATA

An item that makes a permanent representation of two or more coordinates as received from associated equipment.

SELECTOR,METER RANGE

A component that selects and modifies any one of a quantity of circuits from an item under test, so that acceptable performance is in t erms of a go-no-go display on an associated indicator. May include provisions for connecting a recording oscillograph.

SELECTOR,TRIGGER-VIDEO SIGNAL

A component that provides facilities for the selection of specific trigger and video signals from one or more components such as a radar set(s), and the transfer of these signals to one or more other components such as a radar set indicator(s).

SYNTHESIZER,ELECTRICAL FREQUENCY

An item with the combined functions of a FREQUENCY DIVIDER and a FREQUENCY MULTIPLIER. It provides a multiplicity of discrete output signals harmonically related to a standard source frequency, that may be utilized in radio receivers, transmitters, musical instruments, test equipment, density of rapidly selectable individual communication frequency bandwidth. See also GENERATOR, REFERENCE SIGNAL. Excludes FREQUENCY DIVIDER; FREQUENCY MULTIPLIER; and KEYBOARD INSTRUMENT, ELECTRONIC.

TEST KIT,RADAR

A collection of items, such as cables, dummy mixers, and matching networks, required for use with test instruments in making a limited number of tests on a radar receiver.

TEST SET,ACCELERATION SWITCH

An instrument designed to evaluate the functioning of acceleration switch(es). It simulates the conditions under which acceleration switch(es) operates, measures closing time, and checks electrical circuits.

TEST SET,BAROMETRIC SYSTEM

An item designed to simulate ascent and descent in a pneumatic system, and to indicate the equivalent altitude at which the baroswitch contacts operate. It also tests elements of open-on-ascent and close-on-descent baroswitch assemblies (either remote or nonremote setting), portions of wiring within the assemblies and pressure checks the complete barometric system of a rocket, guided missile, or the like.

TEST SET,COMPUTER LOGIC UNIT

An item designed to indicate one or more wiring or printed circuit(s) causing error in computer computations. The front panel of the item utilizes a series of indicators which denote the malfunctioning circuits. The item function may be in conjunction with a punch paper tape reader.

TEST SET,CONTROL

A test set specifically designed for use in making examinations of controls.

TEST SET,CORE MEMORY DRIVER

A test set specifically designed for use in making examinations of the core memory driver circuitry of an electronic computer.

TEST SET,DECODER-RECEIVER

A test set specifically designed for use in making examinations of a DECODER-RECEIVER.

TEST SET,ELECTRICAL CABLE-INTERCONNECTING BOX

A test set primarily designed for use in making examinations of an electrical cable and the wiring continuity, relay operations, switching positions, and the like, within an interconnecting box. See also TEST SET, INTERCONNECTING BOX and TEST SET, ELECTRICAL CABLE.

TEST SET,ELECTRONIC CIRCUIT PLUG-IN UNIT

A test set specifically designed for use in making examination of plug-in items, commonly referred to as modules or potted components, that are part of an electronic equipment. These plug-in items are inclosed and sealed in a case, and are provided with plug-type connectors for insertion into or removal from the component or equipment of which they are a part. It includes items that test circuit cards, that may or may not be encased and/or sealed, used with electronic computers. Excludes TEST SET (1), ELECTRON TUBE and TEST SET, VIBRATOR.

TEST SET,ELECTRONIC SYSTEMS

A test set specifically designed for use in making examinations and providing discrete evaluations of the over-all performance of a system(s) or subsystem(s). Excludes TEST SET (1), ANTENNA SYSTEM; TEST SET (1), FIRE CONTROL SYSTEM; TEST SET (1), FLIGHT CONTROL SYSTEM; and TEST SET (1), TELEMETERING SYSTEM.

TEST SET,INFRARED IMAGE CONVERTER TUBE

A test set designed for use in making examinations of image converter tubes of the type which converts an infrared image into a visible inverted reproduction of that image by electron-optical methods and is intended for use as a component of infrared viewing equipment.

TEST SET,INTERCONNECTING BOX

A test set primarily designed for use in making examinations of wiring continuity, relay operation, position of relay and switch contacts, short circuits, and the like, within an interconnecting box.

TEST SET,INTERVAL TIMER

A test set designed primarily to evaluate the functioning of an interval timer by simulating the conditions under which the timers operate. It tests the time sequence and electrical circuits.

TEST SET,RANGE INDICATOR-INTERROGATOR SET

An item specifically designed for use in making examinations of an INDICATOR (2), RANGE; and INTERROGATOR SET.

TEST SET,SERVO-SYNCHRO

A test set primarily designed for use in making examinations of servo and synchro units.

TEST SET,TRANSFORMER

A test set specifically designed for use in making examinations of transformers.

TEST STAND,CONVERTER

An item, usually with a front working area, and including mechanical and electrical facilities for the accomodation of a component such as a data converter for test purposes. May also include mounting surfaces for associated test equipment. See also CONSOLE (as modified) and RACK (as modified).

TEST STAND,RECEIVER

An item, usually with a front working area, and including mechanical and electrical facilities for the accommodation of a component such as a radar or radio receiver for test purposes. May also include mounting surfaces for associated test equipment. See also CONSOLE (as modified) and RACK (as modified).

METER,NULL

An electrically operated instrument having a zero point on its scale (usually located in the center thereof). It may not indicate units of electrical measurement. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. When the indication shows zero, an electrical value of "zero" has been reached in the circuit. It is generally used in situations in which zero is the desired effect. Excludes AMMETER, GALVANOMETER; METER, ARBITARY SCALE; and VOLTMETER.

BASE,TEST SET CASE

An item of various shapes and material designed to form the bottom portion of a CASE (2), TEST SET. It is mounted to the case by means of bolts, clamps, latches, or the like.

TEST SET,SINGLE PULSE GENERATOR-SENSITIVE SWITCH ASSEMBLY

A test set primarily designed for use in making examinations of a SINGLE PULSE GENERATOR-SENSITIVE SWITCH ASSEMBLY.

ADAPTER,BAROMETRIC SYSTEM TEST SET

An item designed to be inserted in a barometric system for the purpose of adapting a barometric system test set to the barometric system. It is used in lieu of a static or pitot-static tube during test procedures.

TEST SET,MOTOR-GENERATOR

COUNTING UNIT,DIGITAL

A binary counting unit used to electronically count the quantity of discrete electrical impulses applied to its input terminal. It is normally used in conjuction with other counting units in a COUNTER, ELECTRONIC, DIGITAL READOUT. The unit is designed to count from zero to a predetermined digit, return to zero, and simultaneously generate an output signal for applications as required, such as to other counting units, meters, or remote indicators. It may be a plug-in or circuit card unit of vacuum tube or transistorized design. It may be nonindicating or indicating with display in the form of vertical, horizontal, in-line, or remote readout. Excludes COUNTER, ELECTRICAL; COUNTER, ELECTRONIC, DIGITAL; and COUNTER, ELECTRONIC, DIGITAL READOUT. See also INDICATOR, DIGITAL DISPLAY.

METER,SPECIAL SCALE

An electrically operated instrument which has a custom scale or digital readout display, but the unit of measurement given is not covered by a more specific item name. For items without a specified unit of measurement, see METER, ARBITRARY SCALE.

MATRIX,COMPUTER

An array of coupled circuit elements such as diodes, wires, magnetic cores, and relays which are capable of performing a specific function such as the conversion from one numerical system to another. The elements are usually arranged in rows and columns. See also DECODER, COMPUTER.

METER,MULTIPLE SCALE

An instrument with two or more different scales measuring different quantities, usually on a single calibrated dial or digital readout display. It is intended for visually monitoring an operation. The meter must be permanently connected into an appropriate electronic circuit. Excludes: AMMETER; VOLTMETER; WATTMETER and METER, ELECTRICAL FREQUENCY.

PLUG-IN UNIT,ELECTRICAL-ELECTRONIC TEST EQUIPMENT

An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. The basic instrument cannot function without one or more plug-in units (as required) in position.

REFLECTOMETER,METALLIC TIME DOMAIN

A cable tester that uses time domain reflectometry to identify and locate cable faults.

TEST STATION,ELECTRONIC PLUG-IN UNIT

A test station specifically designed for use in making examination of plug-in items, commonly referred to as modules or potted components, that are part of an electronic equipment. These plug-in items are inclosed and sealed in a case, and are provided with plug-type connectors for insertion into or removal from the component or equipment of which they are a part. It includes items that test circuit cards, that may or may not be encased and/or sealed, used with electronic computers. Consists of a variety of items that make up a work station, ie, computer and associated peripherals. For a single unit see TEST SET, ELECTRONIC PLUG-IN UNIT.

TEST SET,ANEMOMETER

A test set designed for use in making examinations of an ANEMOMETER.

TEST SET,RADIOSONDE SET

An item designed for use in making examinations of a RADIOSONDE SET.

BLACKBODY SOURCE

An item which produces an infrared reference broadcast. It is compased of an emitting area which temperature is controlled by an electronic regulation unit. This item can be used as a stand alone device, in absolute mode or associated to a target placed in front of the emitting area, in differential mode.

TESTER,SURGE ARRESTER

A portable item designed to control the electrical parameters of the different specific components of ARRESTER, LIGHTNING and ARRESTER ELECTRICAL SURGE. These components may include gas discharge tubes (GDT) metal oxide varistors (MOV), clamping diodes, AC or data surge protective devices and the like.

TEST SET,SPECIAL PURPOSE,ELECTRICAL

A single instrument or grouping of instruments designed to generate an electrical stimulus for the purpose of testing more than one electrical item such as meters, relays, cables, transducers and the like. Items may be in or out of the circuit. May or may not provide a means for measurement of the response to the electrical stimulus. May or may not provide a means for connection of CONTROLLER, TEST, ELECTRONIC SYSTEM.

LID,TEST SET CASE

An item of various shapes and material designed to enclose the top portion of a CASE (2), TEST SET. It is mounted to the case by means of bolts, clamps, latches, or the like.

MAINTENANCE KIT,RAM AIR TURBINE

This set consists of a Dynamic Balancing System, Magnetic Conditioning System, and Air Gage Set. Used to test and repair POWER UNIT,RAM AIR, EMERGENCY and/or other air ram power units.

ADAPTIVE DIAGNOSTIC ELECTRONIC PORTABLE TEST SET

An intelligent automated programmable electronic test tool designed to aid technical personnel in the maintenance alignment calibration and error diagnosis of complex electronic systems.

CALIBRATION FIXTURE

This fixture provides certification of the Multi-stage Supersonic Target's (MSST) 'Center of Gravity' Hoisting Beam, HLU-439/E to ensure that the Hoisting Beam, HLU-439/E is performing the proper 'Center of Gravity' calculations.

TEST STATION,ELECTRO-OPTICAL EQUIPMENT

A test station containing the necessary instrumentation and mounting facilities for testing and/or calibrating electro-optical components such as image intensification, infrared, laser equipment and the like. Excludes: TEST STATION,INFRARED EQUIPMENT; TEST STAND,ELECTRO-OPTICAL SYSTEM COMPONENTS.

METER,CONDUCTIVITY

An instrument which measures electrical conductivity of solutions, fluids, materials, and the like. It is calibrated using Siemens or Mhos, multiples and/or submultiples thereof and the measure and/or calibration is displayed on a dial and/or digital readout display. May include probe, cables, and other accessories. For electrical current detecting devices see GALVANOMETER. For electrical current measuring devices see AMMETER.

TEST SET,LASER SYSTEM

A test set specifically designed for use in making examination(s) of LASER, DIRECTIONAL ASSEMBLY or other laser systems.

FREQUENCY STANDARD AND DISTRIBUTION SYSTEM

A structure that provides a highly stable and accurate frequency standard timing source and distribution system to support communications systems. It consists of a Cesium Beam Standard, Rubidium Beam Standard, Autosensing Switch, Distribution Amplifier, and an uninterruptable power supply.

COMPUTER,MAGNETIC VARIATION

A computer which provides automatic computation of magnetic variation. See also COMPUTER, NAVIGATIONAL.

COMPUTER,NAVIGATIONAL

A computer for the determination of two or more mavigational factors which determines the position, course and distance of an aircraft, missile, vessel or ground vehicle. Do not use if a more specific item mane applies. See also COMPUTER, ALTITUDE-AZIMITH; COMPUTER, AZIMUTH; COMPUTER, BOMB-NAVIGATIONAL; COMPUTER, CORRECTION; COMPUTER, COURSE-DISTANCE; COMPUTER, FLIGHT DIRECTOR; COMPUTER, HEADING; COMPUTERM HEADING-TRACK; COMPUTER, MACH NUMBER; COMPUTER, MAGENETIC VARIATION; COMPUTER, PRESENT POSITION; COMPUTER, RANGE; COMPUTER, SPEED AND LATITUDE CORRECTION; COMPUTER, STABILIZATION DATA; COMPUTER, TARGET INTERCEPT; and COMPUTER, TRACK.

TRANSMITTING SET,AUTOMATIC,WEATHER

The components and items required to operate a complete electronic set for automatically measuring and transmitting weather data by radio. May include operating spares for such components and items as electron tubes and batteries.

MONITOR,COURSE

An item designed for fixed position monitoring of a radio course consisting of a radio frequency detector and a course indicating meter. See also PANEL, MONITOR.

CONTROL-INDICATOR

A component which performs the dual function of presenting visual information from other sources such as navigation, radar and the like and regulating the mode of operation of those sources. This item is essential to the end use or operation of the other sources. See also CONTROL-MONITOR.

CONTROL,UNDERWATER LOG

RECORDER,RANGE

An item which makes a permanent representation of distance expressed as range, versus time.

RECORDER,HEIGHT-TIME

An item which makes a permanent representation of height and time.

INDICATOR,BLANK SCALE,SYNCHRO

An item utilizing a syncho-actuated pointer which traverses an unmarked scale area on the face of the instrument. Suitable inscriptions may be made on the scale area to indicate various factors such as altitude, frequency, position, temperature, time, volume, and the like. See also METER, ARBITRARY SCALE.

RODMETER,UNDERWATER LOG

An item which projects below the ship's hull and in which the signal is generated for actuating the underwater log equipment.

MANIFOLD,VENT VALVE,UNDERWATER LOG

An item containing valves and cross connections for venting entrapped air from the hydraulic system of the underwater log equipment.

DRIFT METER

An item which measures the angle between the longitudinal axis of an aircraft and its actual path over the earth's surface. It may or may not be designed for obtaining the azimuth bearing and/or computing the ground speed of an aircraft.

TRANSMITTER,INDUCTION COMPASS

A transmitter for sensing the earth's magnetic line of flux and transmitting the intelligence electrically to a control and/or a remotely located compass indicator.

BINNACLE

A housing for a magnetic compass and related equipment.

BINNACLE STAND

A pedestal used for mounting a magnetic compass binnacle.

ALIDADE,TELESCOPIC,MARINE

A navigational instrument for mounting on a magnetic or gyro repeater compass. It incorporates a telescope containing a vertical reticle line enabling the operator to view a target and its relative bearing at the same time.

ALIDADE,BINOCULAR,MARINE

An instrument for navigational or ordnance use, used in conjunction with, but does not include, a pair of binoculars to indicate the relative bearing of a target or object. It is usually fastened to a solid mounting with the zero degree position parallel to the center line of the ship on which it is mounted.

STADIMETER

A navigational instrument consisting of height and distance scales and mirrors and/or lenses which operate on the coincidence principle. It is used for determining distance when height is known.

SOUNDING MACHINE,HAND

A depth measuring instrument consisting of a fixed stand holding a reel for or with sounding wire. The reel is operated by hand crank.

CONTROLLER,GYRO CAGING,INDUCTION COMPASS

A component used to cage and uncage the gyro mechanism of an aircraft induction compass transmitter.

INDICATOR,INDUCTION COMPASS

An indicator which receives signals from an induction compass transmitter and indicates the heading with respect to magnetic and/or true north of an aircraft, vessel, or vehicle.

PELORUS STAND

An item, usually attached to the deck of a ship, for mounting a pelorus.

MANEUVERING BOARD

An item incorporating dials and arms which are graduated for determining the course, speed, time, and distances for maneuvers of small ships.

PELORUS

A navigational instrument consisting of sighting vanes and/or alidade located above a dial graduated in degrees. It is used to determine bearings and is normally mounted on a pedestal or rail bracket.

SEXTANT,BUBBLE

A sextant incorporating a bubble which acts as an artifical horizon.

SEXTANT,MARINE

COMPASS,ASTRO

A navigational instrument designed to aid in obtaining through observation of celestial bodies or fixed object, the true heading of an aircraft, true bearing and/or relative bearing to a distant object.

VALVE,SEA,UNDERWATER LOG

An item attached to the hull of a ship through which the underwater log rodmeter extends into the water. It includes provisions for closing the hull opening when the rodmeter is withdrawn.

TRACER,DEAD RECKONING

A device, equipment, or system which receives inputs from the navigational computer or the navigational computer-indicator of North and East positional component signals of ship's travel and displays a continuous graphical recording of ship's movement. It may compute and indicate continuously ship's position in latitude and longitude, and may contain a range-bearing projector which projects a light image in the form of a compass rose on the plotting surface or may utilize a display with compass-rose to indicate directional relationships for navigation purposes. This item may have a digital display.

INDICATOR,RESIDUAL TIME

INC 04576 REINSTATED ON 060413~An indicator which continuously displays the incremental time required to reach a given point. It is actuated by the resultant current of a computer.

COMPASS,SUN

A mechanical device which utilizes the azimuth of the sun to obtain true direction.

COMPASS,GYRO

An instrument utilizing a gyroscopic principle to determine true north.

STABILIZER,GYRO

An instrument utilizing gyroscopic principle to compensate for roll and pitch of a ship.

PLOTTING BOARD,RADAR DATA

A plotting board specifically designed to make a plot of data received by radar equipment.

CASE,PLOTTING BOARD

GAGE,SUBMARINE DEPTH,DIAL INDICATING

An instrument designed to measure the distance between the keel of the submarine and the surface of the water by means of a pressure sensitive element which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated in feet. Excludes GAGE, PRESSURE, DIAL INDICATING.

FRAME,GLASS MIRROR

ROLLER,RECORDING INSTRUMENT CHART

A cylindrical item used to hold recording instrument charts in roll form.

WEIGHT,SOUNDING

A metal weight whose cross section may be one of various shapes, having an eye at one end to which a line may be attached and may have a hollow or solid base; used for determining the depth of water.

LEVEL,ROTOR CASE,GYROCOMPASS

An indicating instrument which serves as a guide in leveling the rotor axis of a gyrocompass. It consists of a graduated vial with a liquid bubble and is attached to the rotor case of a gyrocompass.

AZIMUTH CIRCLE

A navigational instrument used for the determination of the azimuths of celestial objects and the bearings of terrestrial objects by means of sighting vanes, prisms, and mirrors mounted on a ring formed to fit and rotate about the bezel of a marine compass, permitting simultaneous viewing of a target and the compass card reading. Excludes BEARING CIRCLE.

BEARING CIRCLE

A navigational instrument used for the determination of the bearings of terrestrial objects by means of sighting vanes, prism, and mirror mounted on a ring formed to fit and rotate about the bezel of a marine compass, permitting simultaneous viewing of a target and the compass card reading. See also AZIMUTH CIRCLE.

COMPUTER,SPEED AND LATITUDE CORRECTION

A computer which utilizes a power driven mechanism and/or electronic circuits to compute corrective electrical signals, reflective of course and speed and transmits this corrective signal to the gyrocompass. See also COMPUTER, NAVIGATIONAL.

COMPASS,MAGNETIC,MOUNTED

An instrument which utilizes a magnetic needle or indicator and a graduated dial or card to determine direction in relation to the magnetic north. It has provisions for mounting in a fixed position to insure proper alignment when in use.

COMPASS,MAGNETIC,UNMOUNTED

An instrument which utilizes a magnetic needle or indicator and a graduated dial or card to determine direction in relation to the magnetic north. It does not have provisions for mounting in a fixed position when in use. It may include a mirror bisected by a hairline and affixed to the inside of a hinged cover.

SEXTANT,ELECTRONIC

An item utilizing electronic principles for orientating a point with respect to a selected member of the solar system. It does not use optical or ocular sighting methods. It includes antenna, receiver, and one or more indicators. See also NAVIGATIONAL SET, ASTRONOMIC.

CONTROL-INDICATOR SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a control-indicator, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

TUBE,BUBBLE,SHIP CLINOMETER

A spirit filled glass tube provided with an air chamber for regulating the bubble size. It is curved to various degrees of arc for use on a BOARD, SHIP CLINOMETER.

CALIBRATOR SET,MAGNETIC COMPASS

A fixed number of components and/or items, not all having the same basic name, which are required for the performance of a complete specific operational function. May exclude certain operating components supplied separately or already present at the point of usage.

CASE,UNMOUNTED MAGNETIC COMPASS

A case constructed of pliable material designed to inclose an unmounted magnetic compass. It may have belt hooks for carrying. For cases designed for the shipping and storing of magnetic items, see CASE, SHIPPING AND STORAGE, MAGNETICALLY SHIELDED.

SUMMARY PLOT OVERLAY SET

A navigational set of graduated scales, usually of transparent plastic. It is normally used in a ship's plotting room to determine speed, based on time element.

DIVIDER SET,TIME-SPEED

A set of navigational instruments graduated to determine the speed when plotting time, and distance. They are pivoted dividers and the readings are automatic when the divider points are placed on the proper positions.

PLOTTING TABLE,TACTICAL DISPLAY

A tablelike item having an inscribed top surface on which a ship's own course silhouette is projected and the tactical positions of other ships and planes are displayed.

TESTER,STATIC SYSTEM

A device specifically designed to check the static tube system of a guided missile, rocket, or the like for leakage. Excludes TESTER, PITOT AND STATIC SYSTEMS.

CONTROL,INDICATOR-SYNCHRONIZER

A control that determines the mode of operation of an indicator(s) and a synchronizer(s).

CONTROL,NAVIGATIONAL COMPUTER SET

A control that determines the mode of operation of a navigational computer set.

INDICATOR,BEARING-DISTANCE-HEADING

An indicator that displays data for the determination of the angle between a target and a fixed reference point, the spacing between two or more points in scalar values, and the angle between a point such as magnetic or true north and the longitudinal axis of the aircraft, ship, or ground vehicle in which it is installed.

INDICATOR,BEARING-HEADING

An indicator that displays data for the determination of the angle between a target and a fixed reference point, and the angle between a point such as true or magnetic north and the longitudinal axis of the aircraft, ship, or ground vehicle in which it is installed.

INDICATOR,BEARING-RANGE

An indicator that displays data for the determination of the angle between a target and a fixed reference point, and for the spacing between two points as determined by interpolation between nondeterminate reference indices.

INDICATOR,COURSE

An indicator that displays the angular value, measured clockwise, between true north and a line connecting the points of origin and destination over which an aircraft, ship or ground vehicle travels.

INDICATOR,COURSE-DISTANCE-TRACK

An indicator which displays the angle measured clockwise from true north to a line connecting the point of origin and the point of destination, the spacing between two points, and the actual path of an aircraft relative to the ground.

INDICATOR,DRIFT ANGLE-GROUND SPEED

An indicator that displays the angular value between true heading and true course, and the rate of travel of an aircraft over the ground.

INDICATOR,MULTIPLE,AIR NAVIGATION

An indicator for the display of four or more factors that are used in the solution of an air navigation problem. See also INDICATOR (2) (as modified).

COMPUTER,TRUE WIND DIRECTION AND INTENSITY

A computer designed for determining true wind speed and direction from relative wind and ship's speed and course.

PLOTTING BOARD,FLIGHT DATA

A plotting board intended for use by flight personnel in solving aerial navigation problems. It may include necessary accessories.

PLOTTING BOARD,SHIP'S STATUS

An all-purpose plotting board designed to display various types of information aboard ship.

PLOTTING BOARD,TACTICAL DISPLAY

A plotting board designed so the tactical position of ships and aircraft may be displayed.

COMPENSATOR,ELECTRONIC,MAGNETIC COMPASS

An item which provides facilities for electronically correcting errors in the indication of a magnetic compass by the manual adjustment of current intensity in coils which are in proximity to specific points in or near the compass. The correcting action is a function of electromagnetic field intensity about the coils, resulting from varying the current intensity. Excludes correcting devices of the permanent magnet type.

COMPUTER SET,NAVIGATIONAL

A complete electronic set for the determination of four or more factors of a navigation problem. For sets that determine three or less factors, see COMPUTER SET (as modified).

TRANSMITTER,COURSE DATA

A transmitter that electrically processes course information in a manner suitable for application to another component(s).

HOUSING,GAGE

HOUSING,INDICATOR

COMPUTER,AIR DATA

A computer specifically designed to convert basic air data input signals into electrical output signals representing the necessary flight parameters such as pressure altitude, mach number, airspeed, and impact pressure. See also COMPUTER, AIR SPEED; COMPUTER, ALTIMETER-PRESSURE; COMPUTER, ALTITUDE; COMPUTER, MACH NUMBER; COMPUTER, PRESSURE-ALTITUDE; COMPUTER, TRUE WIND DIRECTION AND INTENSITY; and COMPUTER, ZONE WIND.

COMPUTER,CORRECTION

A computer designed to accept servo input data and electrically transmit altitude data to position a tracking telescope. See also COMPUTER, NAVIGATIONAL.

INDICATOR,HORIZONTAL SITUATION

A panel mounted aircraft instrument which provides, on a single display, navigational information, such as the magnetic heading, heading selection, course selection, course deviation, bearing, and distance of a selected navigational facility. Knob(s) are located on the face for inputing selected course and/or heading data.

COMPUTER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other which together form a portion of a computer, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR,HEADING,GYROSCOPIC

An instrument designed to display the degree of variation, or the angular value between true or magnetic north and the longitudinal axis of the aircraft, ship or ground vehicle.

REMOTE READER,MAP

A device that automatically scans 35mm film and receives various flight data from a central computer, interprets and sends data to a Cathode Ray Tube (CRT). The Cathode Ray Tube (CRT) is overlaid with vectors and various other symbols. A moving map image may also be displayed and continuously up-dated.

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

CONTROL UNIT,NAVIGATION SET

An item designed to input specified navigation information. It may also be used to display actual navigation information.

DATA CONVERTER,NAVIGATION SET

A collection of items designed for converting navigation data.

COMPENSATION EQUIPMENT,COMPASS

GYRO ASSEMBLY,NAVIGATION

A collection of items forming part of a gyro system. The gyro may be an integral part of the assembly.

HOUSING ASSEMBLY,NAVIGATION SET

A collection of items designed for surrounding or inclosing parts of a navigation set.

HEAD,MAGNETIC

An item which consists of electromagnets which record and/or reproduce. It may be a single or multiple track and may include features such as a plug-in, erase or the like. It is designed to record and/or reproduce data, sound, or video on tape, disk or the like. For itmes that perform the erasing function only, see DEMAGNETIZER or ERASER, MAGNETIC.

STRAP,WRIST INSTRUMENT

An item consisting of one or two narrow strips of material cut to a definite length, having one end processed with a fastening device. The other end is processed to mate with the fastening end. It is intended for the atachment of watches, compasses and depth gauges, The item may be resistant to magnetic forces.

NAVIGATION SET

A collection of equipment suitable for determining approximate magnetic or astronomic azimuth. It may or may not include instruments for determining position.

CLINOMETER,INCLINATION

An item designed to indicate and/or transfer the respective values of the inclination of a vehicle, measured in a longitudinal and/or transverse axis.

EVALUATION AND TRANSMISSION EQUIPMENT,FLIGHT AND LANDING DATA

A collection ofitems designed for the determination of data for camera, programmer, launcher and ground homing system operation, as required for the flight of a DRONE, AIRCRAFT. Moreover, this equipment is used for course plotting, and data transmitted by the guided missile are evaluated by an integrated computer. The equipment is transportable and may comprise a data processing, power supply and airconditioning system, repair material and additional accessories.

SPEED LOG SYSTEM,DOPPLER SONAR SYSTEM

A collection of items that determine ship's speed and distance traveled. Short duration ultra sonic pulses are transmitted in the ship's hull, forward and aft, and after conversion to electrical signals, the response data appears as speed and distance in display units.

DYNAMIC REFERENCE UNIT

SENSOR,INERTIAL SYSTEM NAVIGATION

A device designed to provide digital outputs, true heading, angular rates and accelerations, inertial velocity and acceleration, body rates and accelerations and position to associated aboard equipments.

SENSOR,SPEED LOG,ELECTROMAGNETIC

A hull item used to calculate the speed of a ship. The water passing by along the sensor makes the magnetic field generated by the sensor change. The magnetic field variations are processed by an electronic case which provides digital information.

CHEST,NAVIGATION SET

INERTIAL REFERENCE UNIT,NAVIGATION

An electromechanical and/or electronic device, consisting of sensors, accelerometers, gyroscopes for the pitch, roll and yaw axis, and a processor, to provide velocity and angular position data. May be a component of an INERTIAL NAVIGATION UNIT.

INCLINOMETER,ELECTRONIC

An inclinometer consisting of a pendular system and an optical position sensor. When the pendular system is inclined, it's position is detected and converts in an electric current which actuates a galvanometer. The electric current, which is proportional to the detected gravity component, is measured on a resistance terminal. The calibrated voltage obtained is converted in an angle value on a digital display.

BUBBLE UNIT,SEXTANT

The part of a SEXTANT, BUBBLE which is used to determine an artificial horizon, for reference, to maintain the vertical position of the sextant, which is necessary for accurate readings.

COMPUTER,AIRCRAFT ATTITUDE

A computer that contains the follow-up servo for pitch and roll information from the platform, and the circuitry for computing vertical attack angles, climb angle, vertical velocity, and ground speed to altitude ratio.

REPAIR KIT,NAVIGATIONAL INSTRUMENTS

A repair kit designed to maintain various navigational instruments in good working order.

INERTIAL NAVIGATION UNIT

A self-contained Line Replaceable Unit that provides acceleration, velocity, and position data for land vehicles, watercraft or aircraft. It may also provide altitude information for aircraft. It is part of an INERTIAL NAVIGATION SYSTEM and may contain an INERTIAL REFERENCE UNIT, NAVIGATION.

INERTIAL NAVIGATION SYSTEM

A self-contained, dead-reckoning system that senses acceleration along the pitch, yaw and roll axis of land vehicle, watercraft or aircraft and calculates the distance from a reference point. They can include INERTIAL NAVIGATION UNIT(s); PLATFORM, INERTIAL; power supplies; subsystems; mode selectors; and control displays.

PLATFORM,INERTIAL

Provides stabilized mounting facilities for INERTIAL NAVIGATION UNIT(s); INERTIAL REFERENCE UNIT, NAVIGATION; and the like.

MODULAR AZIMUTH POSITIONING SYSTEM

A self-contained survey device which generates position data relative to the movement of the host vehicle. It employs a Vehicle Motion Sensor (VMS) for converting vehicle odometer cable shaft revolutions into digital data and a self-contained Control and Display Unit (CDU) for operator interface and displaying system mode, status, navigation data, alert information, warnings, and other messages.

AMPLIFIER-MONITOR

An item having the dual function of an amplifier and of presenting operational information. The amplifier and monitor are each used with associated components and may be used with each other.

ARITHMETIC UNIT,COMPUTER

An item that performs operations such as addition, subtraction, multiplication and division on signals being processed within a computer. It may also provide temporary storage and shift register functions, but only in relation to its own operation, and not to that of the overall computer.

COMPUTER,COURSE-DISTANCE

A computer used to determine the angle measured clockwise from true north to a line connecting the point of origin and the point of destination, and the spacing between two or more points directly in scalar values. See also COMPUTER, NAVIGATIONAL.

COMPUTER,HEADING

An item used to determine the angle measured clockwise from a reference datum point to the longitudinal axis of an aircraft or ship. See also COMPUTER, NAVIGATIONAL.

COUNTER ASSEMBLY,ELECTRONIC,DIGITAL

DETECTOR,CODED PULSE

An item for the determination of the existence of coded pulses within a normal or uncoded radio frequency emission.

LENS,DRIFT METER

LENS,SEXTANT

PLOTTER,SURFACE

A device generally constructed of plastic material having a rotating center sheet between two fixed identical outer sheets. A black azimuth circle, with markings on the outside of the circle, is printed on each of the outer sheets, and a red azimuth circle, with markings inside the circle, is printed on each side of the rotating center sheet. The azimuth circles have radial lines placed ten degrees apart and ten concentric rings, with each concentric ring 0.5 inch (12.7 millimeters) greater than the preceding one. This device is arranged to provide true-relative and relative-type bearing conversion for simultaneous plotting of true and relative bearings and to perform the functions of a standard maneuvering board on each side, permitting two plots at different scales.

TRACKER,CELESTIAL POSITIONING

An item that automatically and continuously tracks the position of a preselected celestial body during the solution of a celestial navigation problem. It is a component of a NAVIGATIONAL SET, ASTRONOMIC.

PLOTTER-PROTRACTOR,AIR NAVIGATION

An item generally constructed on a transparent plastic material. It embodies a standard inch scale, an inner and/or outer statue mile scale, a vertical statue mile scale, and may also include a nautical mile scale. The semicircular protractor portion may be offset or inset in forming a part of the item. It is designed to be used in plotting courses, measuring distances between two points on a chart or map, establishing meridians of references, solving wind angles, and determining bearing positions.

HEAD ASSEMBLY,READ-WRITE

A specifically designed component assembly which reads, records or erases information in a storage medium, usually a stack of electromagnets arranged geometrically, used to read, write or erase data in digital form on a magnetic drum, disk or magnetic tape.

TEST SET,GYROCOMPASS

A test set primarily designed for use in making examinations of a GYROCOMPASS.

COMPUTER SYSTEM,SPECIAL PURPOSE

One or more computers and all the associated software and peripheral hardware, designed to perform a specific task. Do not use if a more specific name applies.

GLOBAL POSITIONING SYSTEM-INERTIAL NAVIGATION SYSTEM,EMBEDDED

A self-contained Line Replaceable Unit that combines a Global Positioning System receiver with an Inertial Navigation System to provide navigation outputs of linear and angular acceleration, velocity, position, altitude, true and magnetic heading, altitude (pitch, roll, and platform azimuth), body angular rates, and time.

COMPUTER,SPECIAL PURPOSE

One or more computers which may or may not have one or more associated software designed to perform one or more specific tasks. For a computer not designed for a specific task, see COMPUTER DIGITAL. Do not use if a more specific name applies.

CONTROL UNIT,AUTOPILOT

A control used in conjunction with compasses and gyroscopes for heading or waypoint steering. May include operator unit, display unit, connection unit, and the like.

COMPASS SYSTEM,GYRO

A collection of items that includes a gyroscope sensor which reliably senses and accurately measures heading and rate-of-turn data for navigation sensors along with vessel motion data and may include such items as an electronic control and display unit, and an interface and power supply unit. The system may be self-contained. This system calculates and displays true heading and may provide navigation outputs of linear and angular acceleration, velocity, position, altitude, attitude (pitch, roll, and platform azimuth) and time. For systems that determine magnetic or astronomic azimuth, see NAVIGATION SET.

STABILOMETER,DIGITAL

Dynamic stability-analysis device for vehicles with rollover-risk warning. Considers the signals of several internal sensors which provide acceleration measurements, angular speed, slopes and other variables. The device provides, through a display a warning and acoustical signal of increasing frequency according to the reduction in stability.

COMPUTER,AIRSPEED-ALTITUDE

A single component with the dual function of determining the rate of movement through the air and the vertical distance above a reference plane of the aircraft in which it is installed.

COMPUTER,PRESENT POSITION

A computer for the determination of the instantaneous in-flight location with respect to the surface of the earth of the aircraft in which it is installed. See also COMPUTER, NAVIGATIONAL.

ALTIMETER,PRESSURE

A barometric type instrument which measures altitude above a given datum plane when adjusted to the correct altimeter setting number. Excludes ALTIMETER, SURVEYING.

VENTURI TUBE

A device designed to provide a source of air for the operation of air-driven instruments. For items designed for liquid flow, see VENTURI METER.

INDICATOR,ATTITUDE

An indicator which presents information showing the roll and pitch angles of an aircraft in relation to the earth.

INDICATOR,TURN AND SLIP

An indicator which indicates the direction of turn, approximate rate of turn, and slippage of an aircraft.

PITOT TUBE

A device used to measure the total pressure of a fluid stream.

PITOT-STATIC TUBE

A device consisting of a PITOT TUBE and a STATIC TUBE combined to simultaneously measure total and static pressure in a fluid stream. It is used in connection with a manometer. It may have an integrated Total Temperature sensor capable of providing temperatureoutput readings when part of a mult-functio n probe.

STATIC TUBE

A device provided with opening(s) which receive the barometric pressure of the atmosphere for transmission to various instruments.

INDICATOR,MACH AND TRUE AIR SPEED

An indicator which displays the mach number range at indicated air speed changes in forward velocity and attitude.

INDICATOR,VERTICAL VELOCITY

An indicator which indicates the rate of an aircraft's ascent or descent.

MACHMETER

An instrument designed to indicate the ratio of true airspeed to the speed of sound.

COMPUTER,AIR SPEED

A computer used to determine true air speed from indicated air speed, temperature and pressure data.

ACCELEROMETER,MECHANICAL

An accelerometer which is self-indicating. It may have minimum and maximum acceleration record pointers in addition to the instantaneous velocity rate change pointer. It may be equipped with an immediate acting manual reset provision to correlate the pointers in preparation for new readings.

INCLINOMETER,AIRCRAFT

A inclinometer, usually activated by gravity and usually graduated in degrees, which is used on an aircraft.

MANIFOLD,AIRCRAFT INSTRUMENTS

An inclosure with three (3) or more openings designed for use on aircraft instruments to collect and/or distribute fluids.

TRANSMITTER,POSITION

INDICATOR,POSITION

An instrument that displays the relative position of a remote movable structure.

RECORDER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a recorder, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

RECORDER GROUP

A collection of items, which provide recording facilities.

COMPUTER,ALTITUDE

A computer which utilizes a power driven mechanism and/or electronic or electrical circuits to compute vertical distances from a reference point. May include accessories. See also COMPUTER, AIR DATA.

INDICATOR,DEVIATION,AZIMUTH-ELEVATION

INDICATOR,TRIM,CONTROL SURFACES

An indicator designed to present the signals derived from the rudder, aileron and elevator axes to the servos of an automatic pilot.

DATA DISPLAY GROUP

A collection of items, that provide facilities for the display of data.

INDICATOR,COURSE

An indicator that displays the angular value, measured clockwise, between true north and a line connecting the points of origin and destination over which an aircraft, ship or ground vehicle travels.

ACCELEROMETER,ELECTRICAL,LINEAR

An accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the foward movement of the object to which it is attached, or of which it is a part.

CELL,OPTICAL ELEMENT

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

DUMMY STATIC TUBE

An item designed to occupy the space of a STATIC TUBE without having the functions of a STATIC TUBE.

HOUSING,INDICATOR

TRANSMITTER,ANGLE OF ATTACK

An item that measures and transmits information electrically, relative to angle of airflow with respect to a reference line, such as the longitudinal or lateral axis of an aircraft. Excludes TRANSDUCER, MOTIONAL PICKUP. See also TRANSMITTER (as modified).

COMPUTER,FLIGHT DIRECTOR

An airborne analog computer used to combine signals from various navigational aids, gyroscopic controls, and landing systems in order to provide flight director steering signals to the pilot. Excludes COMPUTER, AIR NAVIGATION; COMPUTER, AZIMUTH; COMPUTER, COURSE-DISTANCE; COMPUTER, DESTINATION PRESET; and COMPUTER, HEADING.

COMPUTER,AIR DATA

A computer specifically designed to convert basic air data input signals into electrical output signals representing the necessary flight parameters such as pressure altitude, mach number, airspeed, and impact pressure. See also COMPUTER, AIR SPEED; COMPUTER, ALTIMETER-PRESSURE; COMPUTER, ALTITUDE; COMPUTER, MACH NUMBER; COMPUTER, PRESSURE-ALTITUDE; COMPUTER, TRUE WIND DIRECTION AND INTENSITY; and COMPUTER, ZONE WIND.

COMPUTER,MACH NUMBER

A computer designed to transform air input signals into electrical output signals representing the speed of sound at a specified altitude. See also COMPUTER, NAVIGATIONAL and COMPUTER, AIR DATA.

REEL,MAGNETIC RECORDING TAPE

A reel specifically designed to accommodate magnetizable recording tape.

INDICATOR,AIRSPEED AND DIRECTION

An indicator, calibrated in units of velocity, measuring the differential between pitot and static pressures, indicating forward and lateral low airspeed and directional movement of the helicopter.

COMPUTER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other which together form a portion of a computer, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

DISPLAY UNIT,HEAD-UP

An electro-optical device which utilizes a cathode ray tube (CRT),or other methods such as, but not limited to digital light processor (DLP), or liquid crystal projector collimating lenses, and a combiner glass, to project a graphic display of data in the operator's field of view. This permits the operator to view the data while maintaining normal head-up position and without obstructing normal field of vision.

INDICATOR,AIR SPEED

An indicator calibrated in units which measures forward velocity.

INDICATOR,ANGLE

An indicator designed to display the angular relatioship of two reference points.

INDICATOR,HEADING,GYROSCOPIC

An instrument designed to display the degree of variation, or the angular value between true or magnetic north and the longitudinal axis of the aircraft, ship or ground vehicle.

INDICATOR,INSTRUMENT LANDING,AIRPORT RUNWAY

An instrument which continuously displays the visual relationship between the free space position, or the variation angle in degrees, between the longitudinal axis of an aircraft and an airport runway, during the final approach phase of an instrument letdown procedure.

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

STRAP,WRIST INSTRUMENT

An item consisting of one or two narrow strips of material cut to a definite length, having one end processed with a fastening device. The other end is processed to mate with the fastening end. It is intended for the atachment of watches, compasses and depth gauges, The item may be resistant to magnetic forces.

RECORDER,FLIGHT DATA

An item designed to record flight data on paper, tape or disk, thus enabling the reconstruction of preceding events.

COMPUTER,COLLISION AVOIDANCE

A computer specifically designed to continuously monitor dynamic flight data, combine it with predetermined flight criteria, and to issue aural and visual warnings of deviations from safe flight conditions.

DATA ACQUISITION UNIT

A specifically designed item which receives analog and/or digital signals from a variety of sources such as strain gages, thermocouples, transducers, manual data entry devices and the like and processes them to provide a useful output for monitoring, recording internally or externally, and/or analyzing etc. It may provide for single or multiple inputs and/or outputs.

GENERATOR,SYMBOL,HEAD-UP DISPLAY

An item that receives digital, analog and synchro signals from systems such as radar, central air data computer, gyro platform and/or weapon systems. These signals are processed, and updated symbols are generated to provide a visual display to the operator on the DISPLAY UNIT, HEAD-UP.

MONITOR,HEAD-UP DISPLAY

An item used to display to another crew member the same images as those that the pilot views on the DISPLAY UNIT, HEAD-UP. It is designed to be mounted in the back seat of the aircraft. It consists of a cathode ray tube and all necessary associated components.

ALTIMETER SUBASSEMBLY,PRESSURE

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an ALTIMETER, PRESSURE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

ALTIMETER SUBASSEMBLY,SERVO CONTROLLED,AUTOMATIC PRESSURE STANDBY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an ALTIMETER, SERVO CONTROLLED, AUTOMATIC PRESSURE STANDBY, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

ALTIMETER SUBASSEMBLY,SERVO CONTROLLED,PRESET COMMAND INFORMATION

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an ALTIMETER, SERVO CONTROLLED, PRESET COMMAND INFORMATION, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,AIR SPEED

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, AIR SPEED, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,ANGLE,FLIGHT INSTRUMENTS

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, ANGLE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,ATTITUDE

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, ATTITUDE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,COURSE,FLIGHT INSTRUMENTS

INC 52459 REINSTATED ON 020118~Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR,COURSE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,HEADING,GYROSCOPIC

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, HEADING, GYROSCOPIC, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,MACH AND TRUE AIR SPEED

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, MACH AND TRUE AIR SPEED, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,POSITION,FLIGHT INSTRUMENTS

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an indicator, position, flight instruments, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,TRIM,CONTROL SURFACES

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, TRIM, CONTROL SURFACES, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,TURN AND SLIP

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, TURN AND SLIP, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,VERTICAL VELOCITY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, VERTICAL VELOCITY, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INTERFACE SUBASSEMBLY,FLIGHT DATA RECORDER

A unit which is used to interconnect the RECORDER, FLIGHT DATA to other external units for the collection and storage of flight information.

MEMORY UNIT,FLIGHT DATA RECORDER

A component part of the RECORDER, FLIGHT DATA which stores the flight information.

CONTROLLER,AIR INLET,ELECTRONIC

A device which accepts inputs from various sensors and regulates air flow to the engine intakes by opening and closing the inlet ramps in order to let more or less air in to ensure efficient operation.

PROCESSOR,FLIGHT INFORMATION

A unit which accepts electrical/electronic data such as attitude, altitude, air speed, barometric pressure, and the like, which have been converted by the COMPUTER, AIR DATA from air/pressure signals to electrical/electronic data, as well as signals from a data bus. The data is processed by this unit to prepare for displaying the results on a cathode ray tube or liquid crystal display.

COMPUTER,FUEL MANAGEMENT

A computer specifically designed to compute individual fuel tank quantities, total fuel quantities, center of gravity, and air refueling.

DISPLAY UNIT,FLIGHT INFORMATION

An indicator unit which processes flight data such as attitude, altitude, air speed, barametric pressure, and the like, and displays the results on a cathode ray tube, liquid crystal display or active matrix liquid crystal display.

PANEL,FUEL MANAGEMENT

A panel which provides the controls and displays necessary to monitor fuel quantity and distribution. It is capable of directing the flow of fuel throughout the fuel system.

COMPUTER,FUEL SAVINGS ADVISORY

A computer specifically designed to provide continuous in-flight advisories to minimize fuel consumption. This is done by measuring and processing aircraft performance data and comparing it to the flight plan provided by the crew. It performs computations to show the differences between the two and sends the data to a display (not included) for monitoring.

INDICATOR,GROUND SPEED

An indicator which displays the speed of an aircraft or missile, relative to the earth's surface.

CONTROL-DISPLAY UNIT

A component which performs the dual function of presenting visual information from other sources such as flight instruments and regulating the mode of operation of those sources. The item is essential for operation of the equipment.

ADAPTER,STATIC TUBE TO CASE SECTION

An adapter specifically designed to adapt a static tube to a case section.

ALTIMETER,SERVO CONTROLLED,AUTOMATIC PRESSURE STANDBY

A servo controlled instrument which measures altitude by dial indication transmitted by synchro from a remote source. The transmitted altitude may be pressure altitude as derived from an air data computer or other suitable transmitter. It employs a zero setting system to permit the altimeter to be set at zero altitude at an existing ground level. The item incorporates an automatic standby feature which will revert to direct static pressure actuation, indicated by a warning signal in the event of electrical malfunctions or at the pilot's option. The item is designed for use in aircraft where accuracy is required to meet altitude separation requirements. See also INFORMATION POSITIONING SET.

ALTIMETER,SERVO CONTROLLED,PRESET COMMAND INFORMATION

A servo controlled instrument which measures altitude by tape indication transmitted by synchro from a remote source. Consists of command information and barometric pressure counters. It employs a zero setting system to permit the altimeter to be set at zero altitude at an existing ground level. The item is designed for use in aircraft where accuracy is required to meet altitude separation requirements. See also INTRAFORMATION POSITIONING SET.

INDICATOR,STABILIZATION DATA

A component which is designed to present visually either roll, pitch, cross level, train order, or deck tilt correction signals or any combination thereof.

PROTECTOR,STATIC TUBE

An item designed to provide physical protection for a STATIC TUBE.

STATIC TUBE SUBASSEMBLY

A collection of two or more different components of a STATIC TUBE having a common mounting or mounted on each other, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

BASE,STATIC TUBE

An item designed to serve as the base for a STATIC TUBE. It is equipped with the necessary facilities required to mate the static tube to the surface of an aircraft, guided missile, rocket, or the like, or to an adapter installed on these surfaces. Excludes ADAPTER, STATIC TUBE TO CASE SECTION.

MAST,STATIC TUBE

The portion of a STATIC TUBE which is designed to provide facilities for mounting a static tube vane assembly and mate with a BASE, STATIC TUBE.

PROBE,STATIC TUBE

The forward portion of a STATIC TUBE which contains opening(s) required to receive the barometric pressure of the atmosphere.

VANE ASSEMBLY,STATIC TUBE

Two or more static tube vanes which are mounted on a common mounting. The assembly is designed for the specific purpose of maintaining a PROBE, STATIC TUBE in proper position by the action of air stream velocity during various flight conditions. Excludes STATIC TUBE SUBASSEMBLY.

COMPUTER,DISPLAY,MULTIPLE AIRCRAFT PARAMETERS

A computer which receive data from other aircraft computers and systems, such as engine data (temp, RPM, and the like),fuel status, navigation data, flight data. It then processes the data so that it can send it to a Display, Multiple Aircraft Parameters. Flight data is the default information sent to the display. It is not able to send data to other systems to change/control the flight characteristics of the aircraft.

DISPLAY,MULTIPLE AIRCRAFT PARAMETERS

A display which presents a number of aircraft parameters, such as engine data (temperature, RPM, and the like), fuel status, navigation data, and the default display flight data. It receives data from a COMPUTER, MULTIPLE AIRCRAFT PARAMETERS. It is not able to control the aircraft. For indicators or displays/controls that are able to present navigational, flight data, autopilot data, engine parameters, information see CONTROL-DISPLAY UNIT, INDICATOR, MULTIPLE, ENGINE PARAMETERS. For indicators that display speed, attitude, altitude see DISPLAY UNIT, FLIGHT INFORMATION.

ATTITUDE AND HEADING REFERENCE UNIT

A self-contained unit that provides measurements of the aircraft pitch, roll and heading Euler angles for use by the flight deck displays, flight control system, flight management system and other avionics equipment.

BOTTLE,DRAIN,AIRCRAFT PITOT STATIC

Container specifically designed for collection of moisture in aircraft pitot/static systems. Excludes SEPARATOR, PIPELINE and TRAP, MOISTURE.

COMPUTER SYSTEM,SPECIAL PURPOSE

One or more computers and all the associated software and peripheral hardware, designed to perform a specific task. Do not use if a more specific name applies.

COMPUTER,SPECIAL PURPOSE

One or more computers which may or may not have one or more associated software designed to perform one or more specific tasks. For a computer not designed for a specific task, see COMPUTER DIGITAL. Do not use if a more specific name applies.

CONTROL UNIT,AUTOPILOT

A control used in conjunction with compasses and gyroscopes for heading or waypoint steering. May include operator unit, display unit, connection unit, and the like.

TRANSDUCER,IMPACT PRESSURE

An instrument that provides a resistive output ratio proportional to a pressure differential between the total pressure (Pt) and the static pressure (Ps). This signal is used to verify the operation of the aircraft pitch system.

SYNCHRONIZER,ELECTRICAL

An item which aligns and/or connects two or more electrical signals with respect to time.

CONTROLLER,ENGAGING,AUTOMATIC PILOT

A controller used to engage and disengage the automatic pilot system in part or in whole.

CONTROLLER,FLIGHT,AUTOMATIC PILOT

A controller designed to control an aircraft through an automatic pilot in pitch, yaw, roll and coordinated turns.

CONTROLLER,TURN,AUTOMATIC PILOT

A controller used in conjunction with an automatic pilot for steering an airplane about the vertical axis.

SELECTOR,HEADING

An item designed to allow the pilot to select a desired heading for automatic range flying and also to indicate the heading the automatic pilot is flying the airplane.

AMPLIFIER-COMPUTER

A component having the dual functions of an amplifier and a computer. Do not use for items in which the amplifier and computer circuits are cascaded.

VALVE,TRANSFER,AUTOMATIC PILOT

An item that receives control signals by one medium and transfers same to the servo cylinder by another medium and designed especially for use on hydraulic automatic pilot systems.

VALVE,SPEED CONTROL,AUTOMATIC PILOT

A component of an automatic pilot system designed to regulate the speed of a hydraulic servo cylinder's response to control signals by means of manual adjustments.

CONTROL BOX,DIRECTIONAL,AUTOMATIC PILOT

A device which originates controlling signals to an automatic pilot for determination of an aircraft's direction of flight.

TRAP,DRAIN,AUTOMATIC PILOT

A device for accumulating oil drained from a balanced oil valve, in order that it may be returned to an automatic pilot's hydraulic system.

SUMP,AUTOMATIC PILOT

A reservoir of an automatic pilot system which incoporates a fluid level indicator and filter, and may incorporate an oil pressure regulating valve.

SERVOMOTOR,AUTOMATIC PILOT

A component of an automatic pilot designed to convert signals received from the flight controllers into mechanical motion for actuating airframe control surfaces. It incorporates its own braking mechanism, reversing mechanism, overpower clutch, cable drum, and a follow-up circuit for returning the mechanisms to a neutral position. See also MOTOR, CONTROL.

VALVE,REGULATING,OIL PRESSURE,AUTOMATIC PILOT

A valve designed to regulate oil pressure from an oil source to an automatic pilot.

RELEASE,SERVO,AUTOMATIC PILOT

A release mounted on a servo output shaft designed to provide a means of mechanically disconnecting the automatic pilot from the aircraft's controls.

CONTROL,ALTITUDE,AUTOMATIC PILOT

A control designed with an airtight case, consisting of a bellows or diaphragm which responds to changes in barometric pressure and is used in conjunction with an automatic pilot to maintain a desired altitude.

CONTROL,FOLLOW-UP,AUTOMATIC PILOT

A control designed for use with an automatic pilot to produce a signal for governing the positions of a servo.

CONTROL,SERVO,AUTOMATIC PILOT

A control used with automatic pilots for controlling the power to a servo or servos.

CONTROL,DIRECTIONAL,AUTOMATIC PILOT

A control used in conjunction with compasses and automatic pilots, consisting primarily of a gyroscope that furnishes signals by which an airplane is controlled about its vertical axis. It may also furnish compass stabilization signals.

CONTROL,RATE OF TURN,AUTOMATIC PILOT

A control designed for use with an automatic pilot, consisting primarily of a gyroscope which furnishes a rate of turn signal to an automatic pilot system.

GYROSCOPE,DISPLACEMENT

A gyroscope which senses, measures and transmits angular displacement data.

GYROSCOPE,RATE

A gyroscope which senses, measures, and transmits rate of angular displacement data. See also SENSOR,ANGULAR RATE.

GYROSCOPE,INTEGRATING

A gyroscope which senses the rate of angular displacement and measures and transmits the time integral of this rate.

ACCELEROMETER,ELECTRICAL,LINEAR

An accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the foward movement of the object to which it is attached, or of which it is a part.

SERVOCYLINDER

A hydraulically or pneumatically powered actuating cylinder with provisions for directional control (positioning) in direct relation with a primary control of comparatively low level force. The primary control input to the servocylinder may be mechanical and/or electrical.

PARTS KIT,SERVO CYLINDER

A parts kit used to repair a SERVOCYLINDER.

PARTS KIT,SERVO VALVE

A parts kit used to repair a SERVOVALVE, HYDRAULIC.

COMPUTER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other which together form a portion of a computer, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

CONTROL,GYROSCOPE,ATTITUDE-HEADING

A control designed for use with automatic pilots and/or remote attitude indicators consisting primarily of a gyroscope which provides signals for controlling an aircraft about its lateral and longitudinal axis and/or signals for providing a visual presentation of attitude to the pilot.

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

MOUNT,GYROSCOPE

An item designed to support a gyroscope. The item itself is mounted by suspension.

COMPUTER,FLIGHT CONTROL

Provides power for and accepts inputs from other flight control electronic sets. Performs computations and logic switching necessary to control the roll, pitch and yaw of the aircraft.

PROCESSOR,FLIGHT CONTROL

A unit which accepts and processes information from flight instruments and the control mechanism of an aircraft to initiate a change in the position or course of the aircraft.

ACCELEROMETER ASSEMBLY,ELECTRICAL

Two or more independent ACCELEROMETER (1), ELECTRICAL (as modified) mounted on a common mounting.

PANEL,MANUAL TRIM

A panel used to convert aircraft flight control trim commands such as pitch, roll, and yaw into electrical signals used by a COMPUTER, FLIGHT CONTROL. It may also be used to enable/disable the autopilot.

INTERFACE UNIT,GYROSCOPE

An item which converts angular displacement data in analogic voltages transmitted to flight control systems.

AMPLIFIER-INTEGRATOR

An item having the dual functions of an amplifier and an item which accepts two or more independent variable signals such as distance and time, and electronically processes their incremental components to obtain a resultant term such as velocity. The amplifier and integrator are used with associated components and may be used with each other.

BASE AND BRACKET,AUTOMATIC PILOT,DIRECTIONAL CONTROL

COVER,FLIGHT CONTROLLER,AUTOMATIC PILOT

A cover specifically designed for mounting on a CONTROLLER, FLIGHT AUTOMATIC PILOT. It is sealed to withstand air pressure and excludes dust from the automatic controls. It may be removed for inspection, service, and/or adjustment. Excludes COVER, ACCESS (as modified).

INDICATOR,STABILIZATION DATA

A component which is designed to present visually either roll, pitch, cross level, train order, or deck tilt correction signals or any combination thereof.

RACK,AUTOMATIC PILOT CONTROLS

RACK AND PANEL,AUTOMATIC PILOT AMPLIFIER

SWITCH,VORTEX,RATE

An item which utilizes vortex fluid flow principles to perform an electrical switching function(s) at a predetermined rate(s) of angular velocity. The item utilizes an inert gas which forms a vortex and activates a switch in response to specific rates of angular velocities.

SERVOCYLINDER ASSEMBLY,HYDRAULIC

An assembly consisting of two or more hydraulic servocylinders on a common mounting, with one or more servocylinders performing a separate function unrelated to the function(s) of the remaining cylinder(s). Excludes a servocylinder with two or more cylinders which performs a single function.

MATRIX,COMPUTER

An array of coupled circuit elements such as diodes, wires, magnetic cores, and relays which are capable of performing a specific function such as the conversion from one numerical system to another. The elements are usually arranged in rows and columns. See also DECODER, COMPUTER.

SENSOR,ANGULAR RATE

A device which uses principles other than gyroscopic motion, such as the Coriolis effect, to measure the rate of angular displacement (also known as angular velocity or simply angular rate). See also GYROSCOPE,RATE.

CONTROL UNIT,AUTOPILOT

A control used in conjunction with compasses and gyroscopes for heading or waypoint steering. May include operator unit, display unit, connection unit, and the like.

STATOR,GENERATOR

Excludes STATOR, ENGINE GENERATOR.

CONVERTER,SIGNAL DATA

An electronic device which converts a data modulated signal of one form to a data modulated signal of another form.

TRANSMITTER,PRESSURE

An instrument that senses, measures and converts pressure of a gas or fluid into electrical signals to be displayed in Pounds per Square Inch (PSI) or the equivalent. The item contains an input pressure port, electrical output connection and may include an output pressure port. See also TRANSDUCER, MOTIONAL PICKUP for items with a linear motional input and electrical output to be displayed in other than PSI or the equivalent.

INDICATOR,PRESSURE

An indicator which indicates the pressure of a gas or liquid in a given system.

GAGE UNIT,ENGINE

A gage unit specifically designed to measure and/or indicate engine operating characteristics.

SYNCHROSCOPE,AIRCRAFT ENGINES

An instrument which indicates the synchronization of an aircraft's engines.

GAGE,ABSOLUTE PRESSURE,DIAL INDICATING

An instrument designed to measure pressure, and indicate in terms of pressure above vacuum (zero pressure) by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) without the necessity of correction or adjustment for barometric or atmospheric pressure. For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.

GAGE,PRESSURE,DIAL INDICATING

An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure.It may include a temperature equivalent scale.For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.

INDICATOR,ELECTRICAL TACHOMETER

An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

TRANSMITTER,POSITION

INDICATOR,RATE OF FLOW

An indicator which indicates the rate of flow of a fluid.

INDICATOR,RATE OF FLOW AND CONSUMPTION

An indicator which indicates the rate of flow and consumption of a fluid.

INDICATOR,POSITION

An instrument that displays the relative position of a remote movable structure.

INDICATOR,TORQUEMETER

An electrically operated instrument that indicates the torque output of an engine. It functions similarly to an ammeter, but is calibrated in terms of horsepower based on revolutions per minute.

TRANSMITTER,RATE OF FLOW

TRANSMITTER,RATE OF FLOW AND CONSUMPTION

INDICATOR,SYNCHRONIZATION

A component which presents visually the relationship between two different time intervals.

INDICATOR-TRANSMITTER,RATE OF FLOW

An indicator-transmitter which transmits and remotely indicates the rate of flow of a fluid in a confined space such as a duct. It includes the components INDICATOR, RATE OF FLOW properly wired to a TRANSMITTER, RATE OF FLOW, which is actuated by a differential pressure measuring device.

CASE,DIAL INDICATING PRESSURE GAGE

HOUSING,GAGE

HOUSING,INDICATOR

INDICATOR,RATIO,ENGINE PRESSURE

An instrument designed to reflect one of the testing parameters for conducting engine performance and functional testing in an operating engine system. Its dial is graduated in units of pressure ratio, and is used to indicate the percent of differential pressure ratio of exhaust gas pressure to intake (engine inlet) pressure for gas turbine or jet propulsion engines.

INDICATOR,THRUST,ENGINE TESTING

An engine testing instrument designed to reflect the forwardly directed reaction force produced by a high-speed jet of fluid discharged rearwards from a nozzle orifice (as in a jet plane or rocket). It designates in units of thrust, the thrust output of gas turbine or jet propulsion engines. This instrument is normally used on a stationary, mobile, or portable gas turbine engine test system.

PARTS KIT,AIR FLOW REGULATOR

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

GAGE AND VALVE ASSEMBLY

An assembly of items consisting of one or more gages and one or more valves joined together on a common mount.

COMPUTER,ENGINE

A computer that receives, monitors, and stores data of the engine's operation. It also includes analysis of fault data and interfaces with other aircraft indicators and systems.

CONVERTER,SIGNAL DATA SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a CONVERTER, SIGNAL DATA, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR,TEMPERATURE,FAN TURBINE INLET

An indicator which displays fan turbine inlet temperature of a jet engine.

INDICATOR,MULTIPLE,ENGINE PARAMETERS

An item which presents a number of engine operation parameters such as oil pressure, oil quantity, fan or engine speed in revolutions per minute, engine temperture, fuel flow, and the like. This item may simultaneously display information for multiple engines. For indicators or displays/control that are able to present navigational, flight data, autopilot data and engine parameter information see CONTROL- DISPLAY UNIT. For indicators that display speed, attitudes, altitude see DISPLAY UNIT, FLIGHT INFORMATION.

DIAGNOSTIC UNIT,ENGINE

An item that acquires measurement data from the engine controls and sensors, records engine's operating times and cyles, detects critical engine data and stores selected event parameters. It may also serve as an engine interconnecting box which distributes various electrical signals between engine components, accessories, and the frame.

INDICATOR SUBASSEMBLY,RATE OF FLOW

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, RATE OF FLOW, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,ELECTRICAL TACHOMETER

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, ELECTRICAL TACHOMETER, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

TRANSMITTER SUBASSEMBLY,RATE OF FLOW

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a TRANSMITTER, RATE OF FLOW, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,PRESSURE

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, PRESSURE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

PAPER,LENS

A tissue paper which is soft and clean, used to wrap or clean all types of lenses including those of cameras and optical instruments. It will not polish them, but may be used with a cleaning fluid.

TUBING,GLASS

A tubular item of glass having a uniform cross section throughout its entire length. It may have reference and/or indicator markings and is generally used where the conveying, containing, or visual inspection of liquids and/or gasses are required, such as laboratories. Excludes INSULATOR (1), WASHER; and WASHER (as modified).

DISPENSER,LENS PAPER

STOPPER,BOTTLE

A closure to fit within the mouth of a bottle. It is made of cork, rubber, glass and glazed ceramics, paper, or plastic. It has other uses such as a closure for an oil hole, or bolt hole in a small machine assembly.

HOT PLATE,ELECTRIC

FILTER RING,BITUMEN EXTRACTOR

A ring used in a bituminous centrifugal extractor to filter solvent from solid aggregate.

MEASURE,LIQUID

A vessel designed to hold a specific quantity of liquid or its equivalent in dry material. It may have a fixed handle. It may have a pouring lip and/or funnel pouring spout or dispensing spout. The dispensing spout type may have a flow control valve. It may be graduated. Excludes the graduated type of CUP, DRINKING which are specifically designed for rationing water in abandon-ship equipment. Do not use if a more specific item name is applicable.

FIBER,ASBESTOS,FILTER

BATH,PARAFFIN

A tank type receptacle, with heating elements and thermostat. It is designed to facilitate hot paraffin treatment of the body extremities to relieve pain and discomfort of joint diseases and injuries. It may be equipped with glides or casters for use on a flat surface, or it may be used on a mobile stand.

FORCEPS,PINNING,ENTOMOLOGICAL SPECIMEN

HOOD,SEALING,BOTTLE

A cup-shaped item made of various materials normally applied over a bottle cap or stopper closure as an additional protective sealing medium. It has other uses such as protecting threads on pipelike objects when painting or to prevent the entrance of foreign matter. Excludes compressed gas cylinder cap and SEAL, CAP, METAL.

CAP,SCREW,BOTTLE AND JAR

A cup-shaped threaded bottle and jar closure constructed of various materials. It may or may not be fitted with an internal gasket. Excludes CAP, SCREW, JAR.

BRUSH,MATERIAL TRANSFER

A device having a tuft of hair usually set in a quill. It is primarily used in laboratory analysis to transfer dry materials from one container to another, such as, from a crucible to a scale pan.

BOTTLE,ASPIRATOR

JAR,DRYING,LABORATORY

A wide mouth vessel with one or more tubulatures or side arms used for drying or purifying gases.

COMBUSTION BOAT

GROUND JOINT,LABORATORY GLASSWARE

A fitting having either a ground inner member (male) or a ground outer member (female). Inner member items are used to connect with outer member items in order to obtain a tight joint during laboratory procedures.

TUBE,MICROABSORPTION

CABINET,DESICCATING

A gas-tight enclosure which is usually provided with shelves, drawers or desiccant trays. It is without means of heating.

MOUTHPIECE,PIPETTING

SAND,SEA,LABORATORY

THIMBLE,EXTRACTION

A tubular receptacle, either entirely porous or with a porous bottom, used to hold material being extracted by flowing solvents.

MORTAR AND PESTLE

A device consisting of a receptacle of various shapes and materials, and a rod operating therein, used for comminuting, grinding and mixing.

DISH,EVAPORATING

A vessel having a flat or rounded bottom with or without pour-outs, designed for determining total solids and residue of substances by evaporation at various temperatures.

DISK,PERFORATED,CRUCIBLE-FUNNEL

A circular piece of perforated material for use in crucibles with flanged open bottoms, in funnels to support filtering mats, and on filtering mats to protect the mat from erosion.

CASSEROLE,LABORATORY

A metal, glass, or ceramic item in which liquids and/or solutions are heated or evaporated. Excludes CASSEROLE, FOOD.

BEAKER,LABORATORY

An item used in the handling of chemicals in laboratory procedures. It may have limited graduations and a handle. For items graduated to closely determine specific liquid amounts, see GRADUATE, LIQUID, LABORATORY.

CRUCIBLE,IGNITION,LABORATORY

A vessel with a flat base, straight or tapered sides, designed to contain substances that are heated or melted at high temperatures. It is used to obtain samples by drying.

PAPER,SPOT TEST

A paper, uniform in texture and heavier than filter paper, designed to diffuse a drop of liquid equally in all directions. It is used chemically for microdrop reactions.

BOTTLE,BALSAM

A glass item specifically designed for applying immersion oil to slide. With glass rod and glass cap ground to bottle shoulder to form seal. excludes BOTTLE, APPLICATOR; BOTTLE (1), STOPPER; and BOTTLE (1), SCREW CAP.

SHIELD,HEAT,DISTILLING FLASK

A flat piece of fireproof material with a hole in the center designed primarily to expose only the specified area of a flask bottom to the heat source used in distillation tests. The center hole may have a bevel recess at the top.

TABLE,LABORATORY

A table having a reagent resistant top working surface, mounted on a cabinet, pedestal, or legs, and equipped with faucets, electrical outlets, gas cocks, sinks, or other apparatus necessary to perform laboratory work for which intended. It may have drawers and/or compartments.

KNIFE,MICROTOME

CHIMNEY AND SUPPORT,LABORATORY GAS BURNER

SHAKING MACHINE,LABORATORY

BULB,CONNECTING,KJELDAHL

HEAD,LABORATORY CENTRIFUGE

CLAMP,RUBBER TUBING,REGULATING

CLAMP,RUBBER TUBING,SHUTOFF

BLOCK,EMBEDDING

FUNNEL,FILTERING,LABORATORY

An item with an integral porous or perforated plate, or with slits on the inside of a double wall.

BLOCK,INSECT FIXATION

FILLING ATTACHMENT,TEST TUBE

HOLDER,SAFETY RAZOR BLADE,MICROTOME

PLATE,COUNTING,BACTERIOLOGICAL

SECTION LIFTER,DISSECTING

PRESS,CORK,LABORATORY

GRID,WIRE GAUZE,LABORATORY

CLAMP,TEST TUBE

FILTER,SEITZ

ANIMAL BOARD

TISSUE PROCESSOR,AUTOMATIC,LABORATORY

RING,LABORATORY CENTRIFUGE TRUNNION

A through hole device, with opposite side pivots, primarily designed to support a laboratory shield(s) in a trunnion head during centrifugation.

TRIANGLE,WIRE,LABORATORY

WASHER,PIPET,AUTOMATIC

RING,LABORATORY APPARATUS SUPPORT

TRIPOD,LABORATORY APPARATUS

A supporting device consisting of a ring resting upon three legs. It may have concentric inner rings or grid. Excludes TRIPOD, LABORATORY GAS BURNER.

COUNTER,BLOOD CELLS

DISH,BIOLOGICAL STAINING

A vessel designed for use in staining microscopic slides. It may have integral grooves on inner sides, or a removable tray with grooves for holding slides in a vertical position. It is furnished with a cover.

JAR,BIOLOGICAL STAINING

A wide mouth vessel designed for use in staining specimens on microscope slides. It has integral grooves on inner sides for holding slides in a vertical position. It is furnished with a cover. Excludes DISH, BIOLOGICAL STAINING.

GENERATOR,HYDROGEN

An apparatus that provides a method of producing hydrogen gas from liquids and/or solids by a chemical reaction. The item is manufactured in two types; the storage type in which the gas may be stored in the unit until required and the immediate consumption type in which the gas is used as it is produced. The equipment is not designed to charge storage containers. May include accessories.

MICROSCOPY SUPPLY SET

A group of items composed of stains, reagents, laboratory supplies and small utensils necessary in microscopy work.

TEST KIT,LEAKAGE,OXYGEN MASK AND REGULATOR

A collection of items such as burettes, leveling bulbs, flasks, beakers, various chemicals, and accessories required for use in testing the leakage of air into oxygen masks and regulators while in actual use.

PIPET,DROPPING

A tubular item with a rubber bulb and a stem with a narrow tip, designed to deliver liquids drop by drop. It may be graduated.

BOTTLE,DROPPER

A bottle with a closure containing a pipet dropper as an integral part thereof. The pipet dropper may be equipped with a rubber bulb. If with rubber bulb, the bulb may be an integral part of the closure. Excludes BOTTLE, APPLICATOR; BOTTLE, SCREW CAP; and BOTTLE, STOPPER.

BOTTLE,SCREW CAP

A bottle, the neck of which is threaded to take a screw type closure of metal, plastic, or rubber. Excludes BOTTLE, CARBOY; BOTTLE (1), STOPPER; and CARBOY.

BOTTLE,STOPPER

A bottle, the mouth of which is designed for a cork, glass or rubber stopper. Excludes BOTTLE, CARBOY (as modified); BOTTLE (1), DROPPER; BOTTLE (1), SCREW CAP; CARBOY; and CRUET (as modified).

JAR,SCREW CAP

Includes mason jars.

MIXING CHAMBER,ELECTRIC FOOD BLENDER

A vessel containing a bottom-entering impeller which is driven by a food blender base motor. It is provided either with a loose-fitting cap or a cover with provisions for sealing. It is designed for food preparation or laboratory use.

FOOD BLENDER,ELECTRIC

A device consisting of a capped mixing chamber with a built-in chopping and mixing agitator. The agitator is designed to be driven at approximately 10,000 to 20,000 revolutions per minute. The device is driven by a motor located in the base.

MAILING CASE SECTION,MICROSCOPE SLIDE

CALCULATOR,BLOOD SEDIMENTATION RATE CORRECTION

A cardboard slide rulelike device that designates blood sedimentation correction.

JAR,SPUTUM SPECIMEN

PIPET,MEASURING

A nonbulbous instrument calibrated with graduations along the cylindrical portion only.

PIPET,SEROLOGICAL

A laboratory instrument, usually graduated from the tip. May be tubular and may measure, contain and/or deliver liquids in serology.

PIPET,VOLUMETRIC

A tubular laboratory instrument which may include a bulb, usually having a single graduation. It is used to measure and deliver liquids. Excludes types which are adjusted for blowing out last drop.

BOX,INSECT

GLASS TUBING ASSORTMENT

FLASK,CULTURE

A vessel with an indentation on one side of its neck, and with two parallel flat walls. It is designed to contain culture medium when placed flat on its side in an incubator.

FLASK,BOILING

A globe-shaped vessel with a neck, and a flat or round bottom, designed to contain substances to be heated or boiled. Its mouth may be designed to accommodate either a rubber stopper or a ground joint. For flasks having more than one neck, see FLASK, DISTILLING.

FLASK,ERLENMEYER

A conical-shaped vessel with a flat bottom and a short neck. It may be graduated and have a mouth which will accommodate a stopper or screw cap.

FLASK,KJELDAHL

A round bottom vessel with a long wide neck used for determining the amount of nitrogen in substances.

BRUSH,SCALE PAN,LABORATORY

An item made with very soft hairs usually bound in a metal ferrule with a wood handle attached. Used for dusting and/or cleaning the pans of scales or balances and other delicate and/or precision instruments. Excludes BRUSH, MATERIAL TRANSFER.

COVER,IGNITION CRUCIBLE,LABORATORY

An item of rigid material designed to cover a CRUCIBLE, IGNITION, LABORATORY, It may have a handle-lifting device, or opening for delivery tube.

CRUCIBLE,FILTERING,LABORATORY

A vessel with a perforated base or disk, designed to contain substances that are heated or melted at high temperatures. It is used to obtain fine precipitates by filtration and drying.

GLASS WOOL,FILTERING

Fibrous glass designed for use as a filtering medium in laboratory procedures. It is supplied in definite glass fiber dimensions. Excludes INSULATION, THERMAL.

BORER SET,CORK

GRADUATE,LIQUID,LABORATORY

A vessel generally conically shaped which is graduated to measure standardized volumes of liquid.

BURNER,GAS,LABORATORY

CYLINDER,GRADUATED,LABORATORY

A cylindrical vessel with a graduated height generally five times the inside diameter. The graduations are not less than 1 mm apart. If without a base, the vessel may be supplied with a holder which incorporates a base. Excludes GRADUATE, LIQUID, LABORATORY.

BASKET,TEST TUBE

IMMERSION OIL,MICROSCOPY

RULE,LABORATORY

An item with cork stopper and rubber stopper scales, English and metric length scales and usually with a temperature conversion scale.

TEST GLASS,SEDIMENTATION

TESTER,MILK SEDIMENT

DISK,SEITZ FILTER

TUBE,EXTRACTION

PLATE,DESICCATOR

BOTTLE,WEIGHING

An ungraduated protective item for substances whose weight is to be precisely determined.

JAR,ANAEROBIC CULTURE APPARATUS

A vessel used with an anaerobic lid, catalyst, generator, and indicator for obtaining an anaerobic condition.

WATCH GLASS,LABORATORY

DISH,CULTURE,PETRI,TOP SECTION

An item that is designed for use with a bottom petri dish section. It is the upper section for a DISH, CULTURE, PETRI. For items designed to be used with anaerobic cultures see DISH, CULTURE, BREWER, TOP SECTION.

SAMPLER,DUST,HAND OPERATED

SAMPLER,DUST AND FUME,ELECTROSTATIC

TRAY,BIOLOGICAL STAINING DISH

MOUNTING MEDIUM,INSECT SPECIMEN

A liquid which dries to a clear solid, used to immobilize and preserve insect specimens.

MOUNTING MEDIUM,MICROSCOPY

An item composed of synthetic resins or a mixture of synthetic resins and waxes which can be molded or machined. It is used for mounting and preserving histological specimens.

ADAPTER,STRAIGHT,FAUCET TO LABORATORY FILTER PUMP

An item for connecting threaded filter pumps to smooth-ended faucets. Excludes ADAPTER, STRAIGHT, PIPE TO HOSE and ADAPTER, STRAIGHT, PIPE TO TUBE.

BOTTLE,GAS WASHING

An item with extended base which provides a method of washing and drying gases. May have a center vertical tube and side arm. May have a fritted disc or fritted cylinder and/or stopper.

RACK,TEST TUBE,LABORATORY

A device used to hold several test tubes upright when waiting for a chemical reaction or when test tubes are not in use. Excludes RACK, COMPARISON TEST TUBE, LABORATORY.

RING,CORK,LABORATORY

An item designed to protect laboratory vessels coming in contact with a laboratory table top.

TILE,PILL

A rectangular slab, usually of glass, with graduations which permit dividing a given mass in roll form into a number of equal parts.

FUNNEL TUBE

A funnel type reservoir with an elongated outlet stem. The stem may have bulbs and/or loops.

CENTRIFUGE,LABORATORY

A mechanical device using centrifugal force to separate liquids from solids, which might normally be held by them in suspension, or a liquid of one density from that of another.

INCUBATOR,BACTERIOLOGICAL

OVEN,LABORATORY

An oven used in laboratory procedures to remove moisture from materials which are being tested.

ADAPTER,LABORATORY CENTRIFUGE TUBE

A cylindrical device that may have trunnion pivots or journals, designed to accommodate, support and position simultaneously smaller size tubes, funnels and the like during centrifugation. For items specifically designed for singular accommodations, See SHIELD,LABORATORY CENTRIFUGE TUBE.

BASE,LABORATORY APPARATUS SUPPORT

FUNNEL EXTENSION

An item designed to be placed on the outlet of a funnel to extend the length of the spout.

FORCEPS,UTILITY,LABORATORY

FORCEPS,MICROSCOPE COVER GLASS

FORCEPS,MICROSCOPE SLIDE

BAG,INSECT NET

An item designed to be used with a frame and handle to capture insect specimens.

STAND,LABORATORY APPARATUS SUPPORT

DISTILLING APPARATUS,LABORATORY

Excludes petroleum distillation test apparatus.

CULTURE APPARATUS,ANAEROBIC

FILTER PUMP,WATER JET,LABORATORY

PESTLE,LABORATORY

DISH,CULTURE,PETRI,BOTTOM SECTION

An item that is designed for use with a top petri dish section. It is the lower section for a DISH, CULTURE, PETRI. It may have raised divider(s) to accommodate more than one culture medium.

SHIELD,LABORATORY CENTRIFUGE TUBE

A cylindrical device, that may have trunnion pivots or journals, designed to singularly hold various type laboratory vessels during centrifugation. For items designed to accommodate multiple like vessels, see CARRIER, LABORATORY CENTRIFUGE, MULTIPLE.

CABINET,CONSTANT TEMPERATURE

An insulated enclosure consisting of a temperature control device, heater amd/or cooling coils, doors, shelves or racks. It is designed to heat or cool chemicals, reagents and laboratory samples in preparation for laboratory testing; or for storage at prescribed temperatures. For items designed to grown cultured specimens, see INCUBATOR,BACTERIOLOGICAL.

DRYING BLOCK

A device designed for laboratory use in drying or subliming materials.

STIRRER,ELECTRIC,LABORATORY

FUNNEL,COMMON,LABORATORY

A device consisting of a cone shaped reservoir with an outlet stem, having a length not greater than five (5) times the diameter of the cone top. It is fabricated of material, and is of a design and size, suitable for laboratory procedures. See also FUNNEL, FILTERING, LABORATORY and FUNNEL TUBE.

TISSUE GRINDER,TENBROECK

DISH,CULTURE,PETRI

An item consisting of a top and bottom section designed to hold culture medium for incubation, isolation, and bacteriological procedures. The bottom section may have a raised divider(s) to accommodate more than one culture medium, May include a petri pad.

PLATE,SPOT TEST

SLIDE,MICROSCOPE

EXTRACTION ASSEMBLY

An assembly consisting of a condenser, an extractor and boiling flask which is used in laboratory extracting procedures.

DISK,ABSORBENT,CULTURE DISH TOP SECTION

BEAD,LABORATORY

CAP,TEST TUBE

Excludes CAP, SNAP-ON

WATCH GLASS SET

HEATER,MICROCOMBUSTION,ELECTRIC

A self-contained auxiliary electric heater designed to be used in a carbon-hydrogen microcombustion train.

TONGS,LABORATORY

COMBUSTION BOMB,LABORATORY

A unit designed to ignite or fuse chemicals. It consists of a fusion cup, lid, and clamping device.

CLAMP,LABORATORY SUPPORT ROD

A device designed for holding support rods in a definite position with reference to each other. Excludes CLAMP, UTILITY, LABORATORY.

BURNER,ALCOHOL

STOPCOCK,LABORATORY APPARATUS

A manually operated device connected to laboratory apparatus to regulate or stop the flow of liquid or gas.

SPATULA,LABORATORY

A device consisting of a handle with a blade on one or both ends or with a blade on one end and a spoon on the other, made of porcelain, metal, or other material resistant to chemical attack. It is used to spread, mix, or convey powders or semi-solid materials. Excludes SPATULA.

WASH BOTTLE,LABORATORY

A device consisting of a flask or bottle with leakproof closure. One or more bent glass or plastic tubes are inserted through closure, bottle shoulder, or molded well on side. It is designed for dispensing of liquids, or washing of precipitates in laboratory procedures.

MIXER,KNEADING,LABORATORY

An item designed for dispersion of rubber, synthetics, plastics, inks, and enamels.

ADAPTER,LABORATORY GLASSWARE

An item with standard tapered male and/or female joint(s) designed to adapt to various sizes of laboratory apparatus, such as flasks or condensers.

TUBE,CONNECTING,LABORATORY GLASSWARE

A rigid, hollow item of specific length with standard taper joints, designed to convey fluids and gases between glass laboratory apparatus.

TEST PAPER,HYDROGEN ION

A single type chemically treated paper which is used with a color chart to determine the pH value of a liquid. Does not include color chart. For items impregnated with a known reagent or indicator, see TEST PAPER (1), (as modified).

SOAP SOLUTION

FILTER STICK

An item consisting of a porous filter disk with an attached tubular stem. It is used for the removal of supernatant liquid from precipitates.

MICROTOME

A manually or electrically driven instrument for cutting specimens of organic tissues, bone, wood or soft metal for microscope examination.

PAPER,FILTER

DISH,BIOLOGICAL PREPARATION

A vessel with a cover designed for preparing and storing biological specimens.

SHIELD,FLAME,LABORATORY GAS BURNER

STROP,MICROTOME KNIFE

An item used for honing and finishing microtome knives and razors. Designed to give a final edge when needed for quality sectioning.

PIPET,AUTOMATIC

A laboratory instrument designed to measure and repeatedly dispense a specific quantity of material without resetting or remeasuring. It may be graduated, and may have a stopcock or rubber bulb.

ROD,STIRRING,LABORATORY

A definite length of chemically inert material with finished ends.

FLASK,FILTERING

A conical flat bottom vessel which is used for vacuum filtering. It may have a side tube.

TEST TUBE

A straight wall vessel with a flat or a round bottom for use in various laboratory procedures. It may have a side arm and a mouth designed to accommodate a stopper or a screw cap. Do not use if a more specific name is available.

TEST TUBE,BLOOD SEDIMENTATION

A graduated vessel used in determining sedimentation rates and the volume of packed red cells.

TEST TUBE,BLOOD SUGAR DETERMINATION

A graduated vessel used to contain blood specimens during sugar content testing.

TEST TUBE,COMPARISON

A calibrated vessel of clear, colorless material used to contain substances during color determination and comparison analysis.

TEST TUBE,NITROGEN DETERMINATION

A graduated vessel used in the determination of nitrogen content in blood.

TEST TUBE,UREA DETERMINATION

A graduated vessel used in determination of urea content in blood or urine.

TUBE,CENTRIFUGE

A vessel designed for use with a laboratory centrifuge. It may be graduated.

STAND,FUNNEL,LABORATORY

An item consisting of a supporting shelf(s) with tapered holes. The shelf(s) are mounted by rod(s) attached to a base. It is designed for supporting laboratory funnels in an upright position when in use or in storage.

JAR,BELL

A bell-shaped item with a flanged bottom designed to protect laboratory apparatus and instruments from dust and fumes. It may have a top opening or side tubulation to permit vacuum filtration in microchemical procedures.

JAR,CYLINDRICAL,LABORATORY

A straight-sided glass vessel, without neck or shoulder, having flat bottom and ground rim, and usually without a cover. Its diameter is approximately equal to its height. It is used in laboratory procedures. Excludes JAR, BATTERY; JAR, MUSEUM; and CYLINDER, UNGRADUATED, LABORATORY. Do not use if a more specific name is available.

CYLINDER,UNGRADUATED,LABORATORY

An ungraduated vessel with a diameter much smaller than its height. It is mounted on a flared base. If with integral thermometer or thermometer slide, see CYLINDER, HYDROMETER JAR. Excludes BEAKER, LABORATORY and JAR, CYLINDRICAL, LABORATORY.

DISH,MOISTURE DETERMINATION

A vessel having a flat bottom, straight sides, and a tight cover, designed for use in determining the moisture content of powdered substances.

JAR,MUSEUM

A vessel fabricated of clear, colorless material capable of being tightly sealed. It is so designed for the storage or display of specimens.

MOLD,TISSUE EMBEDDING

An item designed for the size and shape of tissue specimen to form embedding blocks for the sectioning processing in histological studies.

CAN,PETRI CULTURE DISH

Excludes CAN AND PETRI CULTURE DISH SET.

SPLASH ELIMINATOR,FILTER PUMP

A device which fits over the outlet of laboratory water-jet filter pumps, used to decelerate the flow of water, eliminate splash and reduce noise.

MORTAR,LABORATORY

PAN,BIOLOGICAL STAINING

PIPET,BACTERIOLOGICAL

A tubular laboratory instrument specially designed and calibrated for bacteriological technique.

ROD ASSORTMENT,STIRRING,LABORATORY

BULB,CIRCULATING,LABORATORY

An item with pressure valve on one end and with or without a suction valve on the opposite end. It is usually used for circulating gases or liquids or for taking samples of gases.

BULB,PRESSURE,LABORATORY

An item with two valves, used for applying air pressure to reservoir solutions and wash bottles; also used for filling burettes. It may have a short length of rubber tube on one end.

FLASK,DEWAR

A vessel, having double walls insulated by means of a vacuum and used for retaining the temperature of the contents with minimum heat losses. May also be unevacuated.

FILTER ELEMENT,AGENT SAMPLING EXTRACTOR

PIPET,BLOOD DILUTING

A graduated, tubular glass vessel having a bulb which may contain a glass pellet to facilitate the mixing of diluted blood. May include a length of rubber tubing and a mouthpiece.

MANTLE,HEATING,ELECTRIC

An insulated device with heating coils encased throughout its housing, shaped to inclose laboratory apparatus for the purpose of controlling temperature and maintaining a constant, evenly distributed heat.

TUBE,WEIGHING

An ungraduated protective container, usually tubular in shape which may have a stem-like handle and/or a cap on either end. Used to hold substances for which the weight is to be precisely determined; also used for drying and handling of hygroscopic and volatile materials. Excludes BOTTLE, WEIGHING.

TUBE,COMBUSTION,LABORATORY

A tubular device, usually of glass, used in combustion furnaces to facilitate chemical reactions at high temperatures. It may have both ends open with one end constricted and/or tapered; or one end may be closed. It may also have a side tubulation.

BOX,MICROSCOPE SLIDE

PIPET,SPECIFIC GRAVITY,WEIGHING

A tubular vessel graduated to contain a specified volume of liquid and used to determine the specific gravity of the liquid by weighing. It includes cap to fit outlet tube, length of rubber tubing, and mouthpiece.

HOLDER,LABORATORY NEEDLE

HOLDER,FILTERING CRUCIBLE

A device specifically designed to mechanically accommodate, suspend and position a filtering crucible within the bell of a funnel or the mouth of a flask.

REMOVER,STOPCOCK PLUG,LABORATORY

An item designed to loosen tight or frozen stopcock plugs from burettes and other laboratory apparatus.

WING TOP,LABORATORY GAS BURNER

BOTTLE,SPECIFIC GRAVITY

DISTILLATION APPARATUS,MICROFRACTIONATION,LABORATORY

An apparatus assembly designed for fractional distillations of minute quantities (.01 ml or less) of liquids.

DISTILLATION APPARATUS,MOLECULAR,LABORATORY

DISTILLATION HEAD,MICRO-KJELDAHL APPARATUS,LABORATORY

COVER GLASS,MICROSCOPE SLIDE

A piece of very thin glass used to cover microscopic preparations mounted on glass slides.

SUBLIMATION APPARATUS,VACUUM,LABORATORY

FLASK,VOLUMETRIC

A flat bottom vessel with a long or short neck designed for use in various laboratory procedures. It is calibrated either to contain and/or deliver, and may be furnished with a stopper or cap.

COUNTING APPARATUS,BACTERIAL COLONY

LABORATORY,CHEMICAL,BASE

A quantitative analytical laboratory, completely equipped with means to collect and identify chemical agents, to develop methods for neutralizing effectiveness of chemical agents, and to determine adequacy of protective measures and equipment.

LABORATORY,PETROLEUM,SEMITRAILER MOUNTED

FURNACE,COMBUSTION TUBE,LABORATORY

An item designed to provide continuous temperatures for heating specimens in laboratory combustion tubes.

TABLE,BALANCE,LABORATORY

An item having a flat, slablike working surface supported on legs or other support. It may have drawer(s) beneath the top, but has a free area underneath to accommodate a seated person's legs. Used in analytical balance work. Excludes TABLE, LABORATORY.

MILL,BALL AND JAR,LABORATORY

A mill employing a rotating wide mouth jar partially filled with balls or pebbles.

REMOVER,BOTTLE STOPPER,LABORATORY

An item designed to loosen tight or frozen glass stoppers from bottles.

INDUCTION EFFECTS DEMONSTRATOR

An assembly of component parts used to demonstrate at "break" the surge of induced current at approximately 80 volts.

TUBE,DRYING,LABORATORY

A tube, straight or curved, usually used for drying or purifying gases by means of calcium chloride or any other solid absorbent.

FUNNEL,SEPARATORY

A vessel, with a stopcock at one end and usually a stopper at the other, used for sampling, mixing and separating liquids.

FLASK,DISTILLING

A vessel with one or more necks and/or a side tubulation usually used for hazardous distillations.

ADAPTER TUBE,DISTILLING

A tubular shaped item, sometimes branched, usually with a sidearm, to be inserted into the neck of a boiling flask to convert it into a distilling flask. The vapor path may be plain or with one or more bulbs. Excludes items with internal obstructions.

DISTILLING COLUMN,FRACTIONATING

A tubular shaped device inserted into the neck of a boiling flask to convert it into a distilling flask. The vapor path is a succession of bulbs, and/or partial obstructions such as balls, baffles, spiral, and the like, to permit accurate control of fractionation.

DRYING CHAMBER,VACUUM

An item made of glass or metal and consisting of a test tube-like container which forms part of a drying assembly when connected to a vacuum chamber. The container may be surrounded by a constant temperature jacket in which heated or cooled vapors circulate. The jacket has an inlet and outlet in the form of side-arms.

CONDENSER,LABORATORY

A device, usually cylindrical in shape, composed of an internal tube surrounded by an outer jacket. The tube may be straight, coiled, repetitiously bulbous or indented and must have an inlet and outlet for the condensing vapors. The jacket must have an inlet and outlet, in the form of male side tubulations, for the regular flow of the coolant. Used for condensing vapors to a liquid state in refluxing, extracting and distilling operations. Excludes DISTILLING COLUMN, FRACTIONATING.

DRYING APPARATUS,VACUUM

Excludes DESICCATOR and MICRODESICCATOR. See also DRYING CHAMBER, VACUUM.

TIP,CENTRIFUGE TACHOMETER STEM

CARRIER,LABORATORY CENTRIFUGE,MULTIPLE

A device of various shapes with trunnion pivots and multiple openings used to accommodate laboratory vessels during centrifugation.

LIQUID BATH,ELECTRIC

An item consisting of electric heating element(s) and a liquid reservoir, designed for use in the laboratory for making test(s), such as digestion, evaporation, sterilization and melting by means of heating specimens contained in beakers, flasks, test tubes and the like. Excludes WATER BATH, NONELECTRIC.

WATER BATH,NONELECTRIC

An item designed for use in the laboratory for making test(s), such as digestion, evaporation, sterilization and melting by means of heating specimens contained in beakers, flasks, test tubes and the like. May or may not include a means for heating. Excludes WATER BATH, ELECTRIC.

CLOTH,LENS

A plain, balanced woven material having a high sley. It is chemically treated to aid in the removal of grease, soil, and grit from optical lenses, glass equipment, or other finely polished surfaces, without causing injury to them.

TABLET SET,MILK PASTEURIZATION TESTING SET

COTTON,NONABSORBENT

Excludes BATTING, COTTON.

NEEDLE,DISSECTING

An instrument having specially shaped point(s). The item may or may not include a handle, which may be fixed or integral. For items having a detachable handle, see HOLDER, LABORATORY NEEDLE.

TUBE,CAPILLARY,BLOOD SAMPLE

An item suitable for use in hematology and serology.

TESTING SET,MILK PASTEURIZATION

PIN,INSECT TRANSFIXION

A small, thin piece of pointed wire, with or without a side-arm, headed or headless, suitable for use in mounting entomological specimens. Excludes PIN, STRAIGHT and PIN, STRAIGHT, HEADED.

CLAMP,UTILITY,LABORATORY

A device consisting of one or two sets of spring loaded jaws, and either an extension rod, for attaching to support rod by means of a laboratory support rod clamp, or other means for direct attachment to a supporting rod or shelf. Excludes CLAMP, TEST TUBE; CLAMP, TUBING; and CLAMP, LABORATORY SUPPORT ROD.

HOLDER,BURET

READER,MICRO HEMATOCRIT

A device to read the percent of red blood cells in plain and/or heparinized capillary tubes after centrifuging.

ICE MAKING MACHINE,CARBON DIOXIDE DISK,LABORATORY

A device for producing solidified carbon dioxide disks from a stream of compressed carbon dioxide gas.

ICE MAKING MACHINE,CARBON DIOXIDE SNOW,LABORATORY

A device consisting of leather bag having a carbon dioxide gas threaded connection on one end and a removable bar clamp at the other end. It is used to produce solidified carbon dioxide snow from a stream of compressed carbon dioxide gas.

PIPET,BLOOD CHEMISTRY

An item designed for measuring blood samples in blood chemistry procedures. It may be adjusted for blowing out the last drop and may also include a stopcock. The item is designed with a bulbous section near the outflow end, and usually with a single calibration mark. For items graduated to the outflow end, or with scale graduation, see PIPET, SEROLOGICAL. For items containing a pellet(s) in the bulbous section to dilute and mix a blood sample preparatory to counting cells, see PIPET, BLOOD DILUTING.

TUBE,BIOLOGICAL CULTURE SAMPLING

An item designed for holding samples of biological cultures in laboratory and clinical procedures. May include applicator(s) and cap which has socket for applicator(s). Excludes TUBE, SPECIMEN.

LEG,TRIPOD MOUNT

An item which, in conjunction with two similar items, aids in the support of a machine gun, recoilless gun, rifle or the like. It is a component of a MOUNT, TRIPOD (as modified); or a TRIPOD, RIFLE MOUNT; and may be a single or sectional item with an integral or nonintegral foot. Excludes LEG, GUN MOUNT. See also LEG SECTION, TRIPOD MOUNT.

LEG SECTION,TRIPOD MOUNT

An item which in itself is not a complete functioning item. It consists of parts which, together with other similar parts, form a LEG, TRIPOD MOUNT.

PIPET CONTROL,MICRO

A device which, when fitted to a micro pipet, enables the user to fill and expel liquids from pipets with precision and a high order of repetitive accuracy.

SUPPORT ARM,FUNNEL,LABORATORY

An arm which may be attached to the vertical rod of a laboratory apparatus support stand and used to hold two or more funnels in position when filtering or pouring liquids into bottles.

BULB,DROPPING PIPET

BULB,PRESSURE AND CIRCULATING,LABORATORY

An item with a suction valve at one end and a pressure valve at the other. It is used for applying air pressure to reservoir solutions and washing bottles; for filling burets; for circulating gases or liquids; or for taking samples of gases. A short length of rubber tubing may be attached to either end.

STIRRER-HOT PLATE,MAGNETIC,LABORATORY

An item which is capable of variable speed stirring and controlled heating simultaneously, or of doing either operation individually. It is used for such applications as digestions, synthesis, vacuum distillation and the like. It consists of a motor driven magnet which rotates under a hot plate mounted over a housing which contains the drive mechanism and controls. The motor driven magnet exerts a torque on a magnetic stirring capsule placed in the liquid to be stirred.

CLAMP,SPHERICAL GROUND JOINT,LABORATORY GLASSWARE

A device designed to hold the ball and socket members of laboratory glassware spherical ground joints in a definite position with reference to each other. It is affixed directly to the joint and its compression action is derived from a spring and/or screw locking device. Excludes CLAMP, RIM CLENCHING.

BOTTLE,SNAP-ON CAP

A bottle provided with a cap which snaps and locks on the bottle, and which is mainly used in laboratories and pharmacies. For a bottle with a child-resistant closure, see BOTTLE (1), SAFETY CAP.

LITMUS PAPER

CLEANER,INSTRUMENT TUBING

A flexible, brushlike device consisting of small tufts of cotton, wool or similar fiber held by twisted wire. Although flexible, it is of sufficient rigidity to penetrate and clean the bores of surgical instruments, glass tubes, small pipets, stopcock plugs, and capillary tubes and the like. Excludes CLEANING TOOL, LIGHT CARRIER and tobacco pipe cleaners.

FILLER,PIPET

An item used in drawing corrosive, infectious, poisonous, or other liquids into pipets without using the mouth.

SHIELD,SAFETY,LABORATORY

An item designed to be placed in front and/or around laboratory apparatus and equipment to protect workers from accidental explosions or broken connections during experimental or routine operations. May include mounting facilities.

DISTILLING RECEIVER

Laboratory apparatus item designed and used for quantitative determinations of water in petroleum, bituminous materials, and other products, or the dilution of crankcase oil in internal combustion engines. Its location in the distilling apparatus assembly is between a boiling flask and a suitable reflux condenser.

TRAY AND RACK,LABORATORY

A compartmented tray and insert rack(s) designed for accommodating test tubes, micro slides, pipets, and the like, for collecting and transporting specimens from patient (bedside) to the laboratory.

CORROSION TEST STRIP,COPPER

A strip of annealed copper bus bar, of specific dimensions, used in tests for determination of corrosiveness to copper by gasolines and other petroleum products.

LEASH,STOPPER-STOPCOCK

An item consisting of two loops joined together by a chain or integral strip. It is so designed that one loop fits over the buret or bottle and the other loop over the stopper or stopcock, thus preventing loss, mismatching, or contamination.

DISTILLATION APPARATUS,FRACTIONATION,LABORATORY

An apparatus assembly designed for fractional distillations of normal quantities (100 ml) of liquids.

CAN,PIPET STERILIZING

An item specifically designed for use in a laboratory for the sterilization of pipets.

MEMBRANE,ELECTRODIALYSIS

An item with a fixed electrical charge, either negative (cation) or postive (anion), for use in a process wherein ions are transferred from one solution into another solution by imposition of a direct electrical current.

JAR,PIPET

An item used for soaking or washing pipets and other laboratory glassware.

PIPET,NONVOLUMETRIC

A tubular, ungraduated instrument with a capillary end and a top that may be constricted. It is generally used in the transfer of virus, bacteriology, immunology, hematology, blood bank, and other laboratory work. Excludes types that are graduated and/or designed for specific use.

BASKET,PIPET

An item which accommodates pipets for washing and is designed to be inserted into a pipet jar or rinser for the washing cycle.

STIRRING BAR SET,MAGNETIC

An item of various shapes, sizes, and materials containing a permanent magnet. It is used to stir liquids in open or closed vessels, and activated from without, through the rotating magnetic field of a STIRRER-HOT PLATE, MAGNETIC, LABORATORY.

WIRE,CLEANING,PIPET

A corrosion-resisting metal wire suitable for cleaning blood pipets or any capillary bores.

LID,ANAEROBIC CULTURE APPARATUS

An item generally consisting of a lid cover, clamp, catalyst reaction chamber, gasket, and thumbscrew used to seal an anaerobic jar in isolation and cultivation of anaerobic microorganisms.

CARTRIDGE,LABORATORY GAS BURNER

A disposable, cylindrical, nonrefillable container with pressurized liquefied petroleum fuel used with a BURNER, GAS, LABORATORY.

CATALYST,ANAEROBIC CULTURE APPARATUS

A material or mixture of materials designed to induce hydrogen to react with oxygen so that an anaerobic atmosphere is produced.

INDICATOR,OXYGEN,ANAEROBIC CULTURE APPARATUS

A liquid material(s) that loses color when the desired anaerobic atmosphere is obtained from the reaction of a generator and catalyst in an anaerobic culture apparatus.

CUVETTE,SPECTROPHOTOMETER

A rectangular or round tubelike vessel of high optical quality that permits a desired light transmittance. It is designed to retain solution samples that are subjected to light of a known light path length so that the amount of light absorbance and transmittance can be determined. It may have an integral device and accessories for vacuum evacuation.

STOPPER SET,BOTTLE

A group of stoppers having different characteristics.

TUBE,SPECIMEN

An item consisting of a cylindrical shape with a cap used in the collection of samples. May be sterile and disposable. (Excludes TUBE, BIOLOGICAL CULTURE SAMPLING).

DISPENSER,BLOOD BANK LABELS

An item which accommodates multiple rolls of blood bank labels on a horizontal rod. These labels are dispensed by pulling out and tearing off on the serrated edge of the dispenser.

EMBEDDING COMPOUND,LABORATORY

An item composed of paraffin and resin used for embedding and sectioning of tissue in histological studies.

DISK,FILTERING,MICROPOROUS

A device formed of a filtering medium with a uniform cellular structure designed to remove microsize particulate materials from air or fluids.

TUBE SET,CENTRIFUGE

A group of tubes with matched characteristics used with a centrifuge, oil inspection kit.

BOTTLE,SAFETY CAP

A bottle with a child-resistant closure.

CABINET,LABORATORY

An item normally constructed of wood or metal which may have a chemical resistant top, drawers, and/or shelves suitable for storing acids, reagents, other chemicals, and supplies.

PIPET AND HYPODERMIC NEEDLE

An item consisting of a dropping pipet with a Luer tip and attached hypodermic needle. It is designed to extract blood samples for the determination of sedimentation and hematocrit rates.

BOX,SAMPLE,LABORATORY

A rectangular or round box with a cover, for laboratory use in the distribution or storage of samples.

CUTOFF MACHINE,METALLURGICAL SPECIMEN,LABORATORY

A power driven metallographic cutter designed to cut off specimens of small bar stock for laboratory analysis.

GRINDER,SPECIMEN,LABORATORY

A grinder used to obtain wet or dry preparations of metallographic and other material specimens for analysis. See also POLISHER (1), METALLURGICAL SPECIMEN, LABORATORY.

POLISHER,METALLURGICAL SPECIMEN,LABORATORY

A polisher used to smooth finish metal specimens, or obtain specimen samples for laboratory analysis. See also GRINDER (1), SPECIMEN, LABORATORY.

PRESS,SPECIMEN PREPARATION,LABORATORY

A manual or integrally powered machine designed to mold powdered samples for laboratory analysis.

HOOD,FUME,LABORATORY

A laboratory furniture device consisting of a housing with an upper extracting compartment, an air by-pass, and which may include a working area. It is designed to exhaust chemical vapors and provide the working area with a flow of clean air. It may contain service outlets for gas, electric, water and air. Design may include such components as cup sinks, cabinets, and work tables. Excludes canopy type hoods.

LOOP,INOCULATING,LABORATORY

A device of suitable material with or without microorganisms used to transfer same to culture media. It may be designed for mounting in a holder.

WASHING MACHINE,GLASSWARE

An electric power-driven machine equipped with rotating brushes suitable for washing glassware. It may include facilities for rinsing, drying, and sterilizing glassware. It may also include connections to hot and cold water, waste disposal lines, and a waste disposal tank. Excludes DISHWASHING MACHINE, COMMERCIAL; and DISHWASHING MACHINE, HOUSEHOLD.

STIRRER,MAGNETIC,LABORATORY

An item which creates variable speed stirring by use of a motor driven magnet which rotates under a plate mounted over its housing. The magnetic field of the motor driven magnet activates a magnetic stirring bar placed in the liquid to be stirred. For items containing a hot plate, see STIRRER-HOT PLATE, MAGNETIC, LABORATORY.

MIXER,LABORATORY

A mechanical device consisting of a power-driven shaft with a mounted beater that is designed to be used with a mixing bowl or a mixing head that is designed to accommodate laboratory vessels such as tubes and flasks. It is used to prepare liquid emulsions, dissolve low soluble solids, and mix dry materials.

BATH,CONSTANT TEMPERATURE

An item consisting of a reservoir and a temperature control device. It utilizes a liquid media to heat or control samples used in laboratory testing of organic coatings, asphalt and petroleum products. It can also be used to verify the accuracy of temperature sensors or instruments. It may include such components and accessories as water jackets, heaters, cooling coils, circulating pumps, bombs, and racks. Excludes WATER BATH, ELECTRIC and WATER BATH, NONELECTRIC.

CUSHION,LABORATORY CENTRIFUGE VESSEL

An item consisting of natural or synthetic material of resilient mass, molded or cut into various shapes. It is designed to fit the bottom inside cavity of shields, carriers, adapters, and the like. It prevents shock, absorbs liquids, and minimizes breakage of laboratory vessels from centrifugal force.

SCRAPER,LABORATORY

A hand tool used for scraping precipitates from inside of laboratory vessels. May include rod (handle).

SINK BASE UNIT,LABORATORY

A laboratory furniture unit designed to accomodate a chemically inert sink. The sink base may be designed as a cabinet or an open leg supporting unit. Excludes CABINET, LABORATORY.

SINK UNIT,LABORATORY

A laboratory furniture unit supplied complete with a chemically inert sink supported by a cabinet or open leg supporting unit and includes facilities for connecting to a water supply and drain. Design features may include countertops, drainboards, splashbacks, reagent shelf, and plumbing fixtures such as hot and cold water faucet(s), water connecting lines, drain, trap, overflow, air and gas flow control devices, and the like. Excludes CABINET, LABORATORY; TABLE, LABORATORY; sectional laboratory cabinets; cabinet sinks; sink bases; cupboard units; and the like.

TRAY,UTILITY,LABORATORY

A general service tray suitable for transporting various laboratory vessels and equipment. It is designed to be impervious to most chemicals and may or may not be suitable for high temperature work. It may or may not be compartmented. Excludes TRAY, SERVICE. For specific use items, see TRAY (as modified).

TEST PAPER,CONGO RED

TEST PAPER,METHYL VIOLET

BURET,LABORATORY

A graduated tube, with a flow regulator, for delivering and/or regulating measured quantities of liquids or for measuring the liquids or gases received or discharged.

TIP,PIPET

A tapered tube-like accessory designed to be attached to the nose cone of a mechanical pipet. It is generally made of nonwetting material and is used to pick up and expel liquids with precision and accuracy during laboratory and clinical testing.

WASHING MACHINE,LABORATORY

An electric powered machine designed to provide chemically clean washing and rinsing for every type of glassware or metalware used in a laboratory. It may be equipped with interchangeable spray headers and may include facilities for drying and sterilizing. It may also include connections to hot and cold water, waste disposal lines, a waste disposal tank, a reservoir tank for wash solutions and rinsing, and a pump motor. Excludes WASHING MACHINE, GLASSWARE; and DISHWASHING MACHINE, COMMERCIAL.

TEST APPARATUS,BLOOD SEDIMENTATION RATE

An item used for testing the extent of settling of erythrocytes per unit time in a column of fresh citrated or otherwise treated blood.

CABINET,BIOLOGICAL SAFETY

An item for control of product quality while reducing exposure to airborne biological agents in hazard research operations.

PAPER SHEETING,LABORATORY TABLE

An item made of several layers of paper bonded together for increased absorbency. It is used to provide a clean table surface and may have a plastic backing to prevent spills from soaking through to the surface of the table. Excludes PAPER SHEETING, EXAMINATION-TREATMENT TABLES.

VORTEX MIXER,LABORATORY

The mixing action of the laboratory mixer shall result from the motor rotation through mechanical linkages causing the cup receptacle to oscillate in an elliptical or circular orbit with revolving (whirlpool) motion. Excludes SHAKING MACHINE, LABORATORY.

BOTTLE,DROPPING

A bottle which delivers contents drop by drop through a spout in the stopper or through an integral side spout. Bottle is sealed by a slight turn of the stopper or by a spout plug.

PIPET,MICRO

A laboratory instrument designed to aspirate and deliver virtually all solvents, aqueous solutions and viscous fluids. May be tubular and may have a capillary type or a pipet tip.

INCUBATOR,DRY HEAT

Item is a heating bath without use of liquid for heating samples. Samples are held in glass or plastic laboratory ware that are supported in a heating block or by beads which distribute the heat.

MOLD INSERT,TISSUE EMBEDDING

An item designed to be inserted into a MOLD, TISSUE EMBEDDING for the accurate positioning of tissue specimens for processing in histological studies.

RACK,TIP,PIPET

RACK,FLASK

BEAKER-FLASK,LABORATORY

A flat bottom cylindrical vessel with a narrow neck, designed as a combination flask and beaker with a pouring spout. It may be graduated and have a mouth which will accommodate a stopper or cap. Excludes BEAKER, LABORATORY and FLASK, BOILING.

BOTTLE,CARBOY

A large capacity glass or plastic item. which may have screw cap, spigot, and shoulder handles. Useful for chemical resistance, distilled water or with culture media. Excludes BOTTLE (1), STOPPER and BOTTLE (1), SCREW CAP.

PIPET,TRANSFER

A tubular item made of glass or plastic with or without a flexible bulb. Used in fluid transferring for blood banking, serology, urinalysis, bacteriology, and general chemistry. Excludes PIPET, DROPPING.

PIPET,URINE SEPARATOR

A calibrated, disposable separator for manual decanting or automatic aspiration of urine supernate.

BAG,TISSUE SPECIMEN

A leakproof, flexible plastic container designed for transportation, storage and examination of laboratory samples.

TUBE,CAPILLARY,MICRO HEMATOCRIT

A small vessel designed for use with a laboratory microhematocrit centrifuge. It may be plain, or heparinized. May have graduations. Excludes TUBE, CENTRIFUGE; TEST, CAPILLARY, BLOOD SAMPLE; and TUBE, CAPILLARY, CENTRIFUGE.

TUBE,CAPILLARY,MICRO PIPET

An item, suitable for use in various laboratory studies, which comes in various dimensions and volumetric ranges. May be glass or plastic. Excludes TUBE, CAPILLARY, BLOOD SAMPLE; TUBE, CAPILLARY, CENTRIFUGE; and TUBE, CENTRIFUGE.

INFILTRATION COMPOUND,LABORATORY

An item composed of paraffin and polymers which is used for permeating of tissue and providing a degree of elasticity prior to embedding and sectioning. Excludes EMBEDDING COMPOUND, LABORATORY.

BAG,WATER SAMPLE

A flexible container designed for the collection and transportation of water samples intended for laboratory analysis. Excludes BAG, FOOD SAMPLE.

TIP,PLUNGER,MICRO PIPET

A plastic cylindrical tip attached to a wire which moves within the bore of a transparent capillary tube for volumetric displacement purposes.

CONNECTOR,TUBING,BRANCHED

A metallic/nonmetallic item of either a T or Y shape used in making three way connections with metallic/nonmetallic tubing.

BLADE,MICROTOME

A single edged instrument, designed to cut thin slices of tissue for microscopical study.

GENERATOR,GAS ENVELOPE

A container having a mixture of materials designed to induce an environment containing a volume of gas such as hydrogen or carbon dioxide or both.

CONNECTOR,TUBING,STRAIGHT

DISPENSER,MICROTOME BLADE

An item designed to deliver a new blade while automatically ejecting a used blade.

CASSETTE,EMBEDDING AND PROCESSING

An item designed to contain a sample for embedding and sectioning processing in histological studies. May also be utilized for storage of the specimen. Designed for use with a MOLD, TISSUE EMBEDDING.

VIAL,BLOOD DILUTING

A vessel designed for blood cell counting. Excludes BEAKER, LABORATORY; CUP, MICRO SAMPLE, AUTOMATED ANALYSIS; CUP SAMPLE, AUTOMATED ANALYSIS, and GRADUATE, LIQUID LABORATORY.

SEPARATOR,SERUM AND PLASMA

An item filled with an inert gel to form a barrier between serum and plasma during centrifuging of whole blood samples. To be used in conjunction with blood collection tubes. Excludes FILTER, SERUM and TUBE , SERUM FILTERING

FLASK,INSULATED

A vessel which is double insulated by means of foam or gas. Used for dry ice, solvent bath, liquid air, and liquid nitrogen. (excludes FLASK, DEWAR).

COVER,MICROSCOPE

An item used with stereo observation, camera and video drape equipment during microsurgery.

CABINET,MICROSCOPE SLIDE

A cabinet normally constructed of wood or metal with drawers or trays for storing slides. Excludes BOX, MICROSCOPE SLIDE.

TUBE,LABORATORY,SHIPPING AND STORING

A cylindrical flat bottom vessel designed to accommodate a screw cap. For use in mailing serum or other fluids; also allows use in a centrifuge. Excludes MAILING CASE, LABORATORY SPECIMEN.

COLD PLATE,EMBEDDING BLOCK

An item used in chilling, transporting and preparing paraffin blocks for sectioning at the microtome and for other laboratory uses.

CLOSURE,TUBE

SEAL,BOTTLE,CRIMP

A cup-shaped item specifically designed for use over a lipped container prior to crimping to form a secure fit. Excludes SEAL, CAP, METAL.

TUBE,COAGULATION,LABORATORY

A flexible tubular item of various lengths, having a pointed end, for connection to an instrument for conveying fluids for testing. Designed for use with the coagulation apparatus.

OVEN,LABORATORY,MICROWAVE

An item using ultra-high frequency, electromagnetic radiation, and designed for rapid drying, evaporation, chemical digestion, dry ashing, and other laboratory applications. Excludes OVEN, MICROWAVE.

HOOD,LAMINAR FLOW,LABORATORY

A laboratory furniture device consisting of high efficiency particulate air filter, fluorescent light source, and full cabinet or bench top designed to maintain particle free air environment. Consists of horizontal or vertical air flow. Excludes HOOD, FUME, LABORATORY.

TUBING KIT,CLINICAL ANALYZER

PAPER,BLOOD CHEMISTRY ANALYZER RECORDING

A preprinted paper produced specifically to make chart type recordings from a blood chemistry analyzer. The paper may be of various widths, colors, and chart layouts. It may be folded with perforations or in single sheets that may also include header identification diagrams, page numbering, and the like. Excludes CHART, RECORDING INSTRUMENT; PAPER, GRAPH; and PAPER, ELECTROENCEPHALOGRAPH RECORDING.

PROCESSING SET,BLOOD CELL

An item consisting of a processing bag, a waste bag, and color coded tubes. For use in washing of human cells for transfusion. To be used on a blood cell processor.

RACK,DRAINING,MICROSCOPE SLIDE

A device designed specifically to accomodate and position one or more microscope slides. May have a handle and may fit directly into solution dishes of staining sets.

PLUG,BIOLOGICAL CULTURE SAMPLING TUBE

A closure to fit within the mouth of a culture tube. Must be nonabsorbent, nontoxic and may be autoclaved. It may be made of cork, foam, glass, paper, plastic or rubber. Excludes CAP, TEST TUBE; and CLOSURE, TUBE.

CHART,PAPER,CLINICAL ANALYZER

An item designed to visually indicate patient data and electrophoretic separations. Excludes CHART, RECORDING INSTRUMENT and PAPER GRAPH.

PAPER,RECORDING,CLINICAL ANALYZER

Excludes CHART, RECORDING INSTRUMENT and PAPER, GRAPH.

SLIDE STAINER,HEMATOLOGY

An automatic system designed to regulate stain intensity and variation in exposure time.

DISPOSAL CONTAINER,GLASSWARE

A receptacle with cover designed for the collection of broken, discarded glass. It may be lined for wet and contaminated debris and sealed for safe disposal.

TEST KIT,PIPET ACCURACY

HOLDER,MICROSCOPE SLIDE

LID,REAGENT TRAY

PLATE,ELECTROPHORESIS

An item, such as a porous diaphragm through which liquid flows, needed for separating of bands according to electrophoretic mobility. Provides consistent level of resolution, accuracy and reproducibility. May be acetate or gel type.

DRAWER,FILE,LABORATORY

An item specifically designed to hold embedding cassettes, rings and blocks. May be stackable for multiple use.

CLEANER,ULTRASONIC

An electrical device designed to clean items by using ultrasonic pressure waves. It consists of an ultrasonic generator for ultrasonic scrubbing action, controls, and may have a stainless steel tank, a basket with or without a cover, and the like. It may also include a heating element and timer. Excludes DEGREASER; PARTS CLEANING CAN, SAFETY BENCH; and WASHING MACHINE LABORATORY.

COVER,CASSETTE,EMBEDDING AND PROCESSING

INOCULATOR SET

A collection of items which consists of a transfer lid (to hold and dispense the inoculum) and seed trough (to contain the inoculum). It is used in conjunction with a rehydrator/inoculator pipette that simultaneously rehydrates and inoculates a scanning panel.

DISH,WEIGHING

A vessel designed for handling solid, liquid, or powdered samples during weighing and dispensing. May also serve as an evaporating dish or dust cover.

HOLDER,MICROPOROUS FILTER UNIT

An item designed to hold filter units during sampling of contaminants. May be attached to a worker's collar. Accommodates either two part or three part cassettes.

ABRASIVE,HONING,LABORATORY

A fine abrasive which is used in the honing and polishing stages. May be in suspension or powder form.

LABORATORY EQUIPMENT SET,LAUNDRY

A group of standard items used for analyzing laundry material. It consists of rubber tubes, hydrometer, laboratory gas burner, flasks, liquid graduates, pipets, test tubes, and the like.

LABORATORY EQUIPMENT SET,MATERIAL EXAMINATION OF PERSONAL BASIC EQUIPMENT

A group of standard items used for analyzing material. It consists of a glass cutter, dressing forceps hydrogen ion meter and electrode, laboratory burner, microscope and the like.

CARTRIDGE,DEIONIZER,HYDROGEN GENERATOR

DESICCANT CARTRIDGE,HYDROGEN GENERATOR

CALIBRATION KIT,PIPET VOLUMETRIC

DILUTING MACHINE,LABORATORY SAMPLE

A self contained, semi-automated instrument used with a PHOTOMETER, FLAME for determining blood sample test results.

CUVETTE,BLOOD SAMPLE

SCOOP,LABORATORY

A tool designed to hold a sampling of materials prior to analysis. May have a lid.

FILTER UNIT,MICROPOROUS

An item designed to hold a DISK, FILTERING, MICROPOROUS so that when air, gasses or fluids pass through, contaminants are left on the surface of the filtering disk.

BLENDER,LABORATORY

An item used for pulping, mixing and blending specimens or solutions to obtain a homogeneous mass in laboratory and radiology procedures. Excludes FOOD BLENDER, ELECTRIC and MIXER, LABORATORY.

TUBE,SERUM FILTERING

An item which consists of an open end isolation tube with an inserted filter device in the distal end for removing serum and fibrin from blood collection tubes after centrifuging. May have a one-way check valve. Excludes FILTER, SERUM and SEPARATOR, SERUM AND PLASMA.

FILTER,SERUM

A filter which provides separation and filtration of serum during centrifugation in blood collection tubes. Excludes SEPARATOR, SERUM AND PLASMA and TUBE, SERUM FILTERING.

RECOVERY PACK,BLOOD CELL COLLECTION

A collection of items designed for use with the CELL WASHING SYSTEM. Needed to collect and contain red blood cells.

BOWL WASHING AND WASTE BAG SET

A collection of items designed for use with the CELL WASHING SYSTEM. Needed for deglycerization of blood.

CELL WASHING SYSTEM

A cell washer for deglycerization of frozen/thawed red cell and for washing fresh red cells.

TEST PAPER AND COLOR CHART,IODINE

A chemically treated test paper to indicate the iodine concentration level within Iodine Complex Disinfecting Solution. Includes a test paper color chart.

BOTTLE CAP ASSEMBLY,BLOOD GAS ANALYZER

An item designed to provide reagent dispensing in an inverted position.

PLATE,CULTURE,LABORATORY

An item designed for use in the processing of cells, tissue cultures, lymhocyte stimulation tests, cytotoxicity studies or related in-vitro diagnostic procedures.

SPOUT,DISPENSING,LABORATORY TUBE

An item used to dispense liquids in a drop-like fashion and to protect the contents of the tube from evaporation.

NEEDLE ASSEMBLY,ANALYZER,BLOOD GAS

A group of items consisting of one or more needles, tubing and connectors and other related items used with an ANALYZER, BLOOD GAS.

BARREL,SYRINGE

A hollow cylinder closed at one end with effluent bore at the other end. Designed to accept an interchangeable syringe plunger of the same size.

DESICCATOR,LABORATORY

A vessel with an airtight, sealing cover used to dry and store specimens in a moisture-free atmosphere. The cover may have an evacuation device in order to create a vacuum. Excludes DRYING APPARATUS, VACUUM and MICRODESICCATOR.

SYRINGE,LABORATORY

A device consisting of a barrel with a piston or a plunger. May be supplemented with a needle or a delivery orifice on the distal end. May be specially designed. Used to deliver, transfer and/or store gases and fluids in a wide variety of applications, such as gas and liquid chromatography, handling of corrosive gases or liquids and transfer of radioactive and other dangerous gases or liquids. Not intended for injection or use on patients.

BAG,AIR AND GAS SAMPLING,LABORATORY

A flexible container used to collect and transport air and gas samples to laboratory for analysis. May have a hose bib, shut off valve and self sealing septum for sample entry or withdrawal by syringe needle.

PAD,BIOPSY

An item designed to hold small biopsies in place during processing and storage by using tissue cassette. It may be compatible for use in histology solvents procedures.

PRINTER,BLOOD CELL COUNTER

A hard copy printer designed for interfacing with COUNTER, BLOOD CELLS.

TUBING,DILUTING MACHINE

A cylindrical item of various lengths and shapes. It is used on DILUTING MACHINE, LABORATORY SAMPLE. Excludes TUBING, BLOOD GAS ANALYZER; TUBING, CLINICAL CHEMISTRY ANALYZER; TUBING PERISTALTIC PUMP, CLINICAL CHEMISTRY ANALYZER.

TEST PAPER,CHLORINE

DISPENSER,CULTURE TUBE

A device designed to hold and individually dispense disposable culture tubes. May be wall mounted and have transparent filling chute for various size culture tubes.

DISPENSER,PARAFFIN

A unit designed to dispense paraffin for tissue embedding procedures.

ROTOR,CENTRIFUGE

A rotating device designed to hold bottles, tubes, microplates, microtubes, blood bags, and the like during centrifugation. May have trunnion pivots or journals. Excludes SHIELD, LABORATORY, CENTRIFUGE TUBE and CARRIER, LABORATORY CENTRIFUGE, MULTIPLE.

BLOTTER,ELECTROPHORESIS

An item used to remove excess buffer or reagents during electrophoresis procedures such as cellulose acetate. May be absorbent paper.

WATER SAMPLING TEST KIT,CHLORINE

A group of items such as, but not limited to, vials, bottles, reagents, pipets, sample cups, color standards and charts, and may include a test meter or analyzer. The kit is usually self-contained, allowing the user to perform quantitative and/or qualitative determinations.

TRAY,SAMPLE,AUTOMATED ANALYSIS

An item used with an auto-analyzer that has the functional characteristic to perform "batch" processing and automatic sample aspiration. It may be circular with single or dual chanels (rows). It has multiple preformed sample wells and/or openings for sample cups. It may be motor driven and disposable.

VENTING UNIT,AEROBIC-ANAEROBIC CULTURING

An item designed to assist in maintaining a proper atmosphere during aerobic and anaerobic culturing procedures. It may have a needle-cannula with integral plastic housing, be disposable, have a pressure relief valve, and be color coded. For use with BLOOD COLLECTING-CULTURE BOTTLE, LABORATORY, BLOOD COLLECTING-CULTURE TUBE, LABORATORY. (Replaces CAP, ANAEROBIC)

PIPET,CAPILLARY,BLOOD COLLECTING

A disposable, graduated, tubular glass vessel designed for collecting and measuring micro blood samples. Includes aspirator tubing and pipet adapter. May be heparinized. Excludes PIPET, VOLUMETRIC; TUBE, CAPILLARY, BLOOD SAMPLE and TUBE, CAPILLARY, MICROHEMATOCRIT.

URINE SPECIMEN COLLECTION AND TRANSPORTATION KIT

A group of items such as tubes, caps, labels, tube racks and collection cups. Used for functional collection of urine from a patient and transport of the specimen to a laboratory. Does not contain stain reagent or the like. Excludes TEST KIT, URINALYSIS, MICROSCOPIC and SPECIMEN KIT, URINE.

TUBE,ADSORPTION,AIR SAMPLING

An item designed to be used in conjunction with an electric or manual handheld aspiration pump so as to draw and trap surrounding air vapors. The tube must be chromatographically analyzed, after use, in a laboratory. It does not have an integral indicator or produce colorimetric/color comparative results. It is preferably used in accordance with analytical methods published by the National Institute of Occupational Safty and Health Administration, Environment Protection Agency, Department of Health and HUMAN Services, and/or the Environmental Protection Agency.

SPOON,MEASURING

An item, usually molded, designed to dispense granular reagents prior to chemical analysis of water sample.

CONE,IMHOFF

A conical shaped item for determining levels of settleable matters in water and sewage, as well as for measuring sand content in well water. May include a screw closure and/or stand and rod.

RESERVOIR ASSEMBLY,COAGULATION TIMER

Items, such as a reagent cup and tubing with a connector block, used for reagent delivery in sample testing.May have a heating block.

LABORATORY,PETROLEUM,MODULAR BASE

This item is fully equipped with testing equipment, supplies, and chemicals to perform qualitative surveillance activities on large quantities of petroleum-derived products including antirust and antifreeze additives.

WATER SAMPLE COLLECTION AND TRANSPORTATION KIT

A group of items such as, but not limited to, bottles, test tubes, cups, reagents, transport container, and labels. Its primary function is to serve as a transport container in which to mail or physically take a water sample(s) to a laboratory for analysis.

PLATE,SAMPLE WELL,ELECTROPHORESIS APPLICATOR

An item, which is placed in the aligning base, designed for use in conjunction with the applicator when applying samples to cellulose acetate.

WICK,ELECTROPHORESIS

An item specifically designed as a means of transport. Needed to provide sufficient buffer to keep media moist such as in agar techniques which enables the buffer to reach the plate. It may speed initial saturation in developing chamber or used as a replacement sponge for electrodes. May be in strip form and may besponge or paper type.

PAPER,COAGULATION TIME RECORDING

A roll or sheet of heat-sensitive paper designed for use with a coagulation instrument to record the results of various clotting assays. Excludes CHART, RECORDING INSTRUMENT.

RACK,PIPET

A framework consisting of a base on which are mounted supporting disks with perforations for inserting pipets or pipettors. It is designed to hold pipets, usually in an upright position, during testing and when not in use. May have tip support to hold tips in organized racks.

FURNACE,MUFFLE,LABORATORY

An apparatus with a heated chamber designed to radiantly heat the contents of the chamber. The item is capable of generating extremely high temperatures.

CONCENTRATOR,MULTI-SAMPLE,PROTEIN

An item designed to intensify protein in urine or cerebrospinal fluid.

DETERGENT,SURGICAL,INSTRUMENTS

Excludes DETERGENT, DENTAL INSTRUMENTS.

DETERGENT,HOSPITAL AND LABORATORY

A cleaner of nonspecific chemicals compounded for effective removal of blood, fats, and tissue from glass, metal, plastic, rubber and the like. Excludes DETERGENT, GLASSWARE AND INSTRUMENT, HOSPITAL/LABORATORY.

DETERGENT,GLASSWARE AND INSTRUMENT,HOSPITAL AND LABORATORY

A cleaner of nonspecific chemicals compounded for effective removal of blood, fats and tissue from glass, metal, plastic, rubber and other hard surface materials, such as surgical instruments. Excludes DISINFECTANTS and DETERGENT (as modified).

CARTRIDGE,PARTICULATE FILTERING,MEDICAL EQUIPMENT

An item designed for use in removing suspended solids present in kidney dialysis machines and the like. Excludes CARTRIDGE, RESPIRATOR, AIR FILTERING.

TEST PAPER AND COLOR CHART,PH

An item designed for determining hydrogen ion concentration of a liquid. Includes chemically treated sensitized test paper(s) and color comparison chart(s). The treated paper, after immersion and comparision with the color chart, indicates hydrogen ion concentration. Excludes LITHMUS PAPER, ACS.

DISPENSER,MICROSCOPE SLIDE

A container designed for holding various amounts of slides, depending on the thickness. The item can be turned with a knob on either side for dispensing slides one at a time. May be pulled off vertically for refilling. Excludes BOX (3), MICROSCOPE SLIDE and HOLDER, MICROSCOPE SLIDE.

ANALYTICAL STARTER KIT,FERROGRAPHY EQUIPMENT

A collection of items which contains start-up apparatus and supplies for use in conjunction with the ferrogram maker (FM). May include glass substrates, ferrogram maker sample tubes, sample vials, pipette tips, fixer oils, filtered oil, pipette dispenser, dispenser assemblies, and other related items.

ANALYTICAL SUPPLY KIT,FERROGRAPHY EQUIPMENT

A collection of items designed to be used for making ferrograms. It is compatible for use with the dual ferrogram maker. May include precipitator tubes, glass substrates, turret tubes, sample vials, pipette tips, fixers, and other related items.

COMPLETE SYSTEM STARTER KIT,FERROGRAPHY EQUIPMENT

A collection of items which contains complete start-up apparatus and supplies for measuring direct reading (DR) concentrations, and for making ferrograms for various sample amounts. May include precipitator tubes, glass substrates, ferrogram maker (FM) sample tubes, sample vials, pipette tips, fixers, filtered oil, pipette dispenser, dispenser assemblies, and other related items.

DIRECT READING SUPPLY KIT,FERROGRAPHY EQUIPMENT

A group of items necessary for use in measuring direct reading (DR) concentration for oil analysis. May include precipitator tubes, sample vials, pipette tips, fixer, and other related items.

SAMPLE KIT,FERROGRAPHY EQUIPMENT

An apparatus collection kit designed to be used for pulling oil and hydraulic fluid samples for analysis. May include sample pump, ID sample tubing, sample bottles, and other related items.

DISPENSER,PIPETTE

A fitted item with special tips which can be calibrated to provide measured amounts of liquids in increments of 1 ml; used for oil analysis and sampling.

HOLDER,WATER DETECTOR PAD

A device specifically designed to hold the pad while the fuel sample passes through it and to prevent impingement of incoming fuel on the center of the item.

MARKING PEN,GLASS,FERROGRAPHY EQUIPMENT

An item with a fine tip containing black indelible ink designed to be used for identifying sample bottles and ferrograms

PRECIPITATOR TUBE ASSEMBLY,FERROGRAPHY EQUIPMENT

An item consisting of a glassware type tube with attached polyethylene and drain assemblies which are used in the direct reading of ferrography in oil analysis.

SUBSTRATE,SCANNING ELECTRON MICROSCOPE

A black opaque item constructed of highly conductive like material designed for use in making ferrograms for microscopic examination.

TUBING,SAMPLE,FERROGRAPHY EQUIPMENT

An item which is cut to desired length, in the field, and is used in conjunction with the sample pump to pull oil samples from equipment which do not contain a sampling valve. The cut section of the tube is discarded after the sample is pulled in order to avoid contamination of the subsequent sample.

DIRECT READING STARTER KIT,FERROGRAPHY EQUIPMENT

A collection of items designed for the direct reading (DR) analysis system, which contains start-up apparatus and supplies for measuring direct reading (DR) concentrations on 200 samples. May include precipitator tubes, sample vials, pipette tips, fixer/filtered oil, pipet dispenser, dispenser assemblies, and other related items.

GREASE SOLVENT KIT,FERROGRAPHY EQUIPMENT

A collection of items designed to be used for dissolving grease samples for running a direct reading (DR), ferrogram makers (FM), dual and duplex instruments. May include scrapers, glass beads, containers, instructions, grease solvent, and other related items.

CUP,FUSION

An item designed to be used as part of a peroxide combustion bomb for use in the laboratory to ignite or fuse chemicals during sample treatment procedures. Also capable of handling almost any corrosive media or accommodating situations in which a large number of tests are performed on a routine basis. Parts may be inter-changeable so that the bombs can be assembled by using any cap and cover combination.

TURRET TUBES,FERROGRAPHY EQUIPMENT

An item designed for use on the dual ferrogram maker (DFM) for drawing prepared oil sample from sample vial to substrate. Excludes FERROGRAM MAKER TUBES, FERROGRAPHY EQUIPMENT and TUBING, SAMPLE, FERROGRAPHY EQUIPMENT.

GREASE SOLVENT,FERROGRAPHY EQUIPMENT

An item consisting of an aromatic, aliphatic, essentially non-polar blend of toluol and hexane. It is designed to break grease samples down into liquids for ferrographic analysis.

DISPENSER,SENSITIVITY DISC,DIAGNOSTIC

A single disc device designed to be placed anywhere on the surface of the plate. It is particularly useful for adding additional antimicrobial agents to establish patterns in routine studies or when new antimicrobial discs are under special study. This item is compatible for use with microbiology system.

SEXUAL ASSAULT DETERMINATION KIT

A collection of prepackaged items designed to provide the methods to obtain and preserve sexual assault evidence and data being released. May include sexual assault evidence collection kit, kit box with envelope, victim's medical history and asssault information form, underpants bag with label, clothing bag with label, pubic hair combings envelope, vaginal swabs and smear, known blood samples, biohazard label, and other related items.

SCOOP-FUNNEL,WEIGHING,LABORATORY

A funnel type reservoir with a tubular stem designed primarily for use where small quantities of powder are to be weighed. Powder can be introduced into the receiving vessel via the tubular stem.

SHARPENER,MICROTOME BLADE

An automatic device with variable pressure which includes all the accessories required for coarse and fine honing (final sharpening) and for dressing glass hone plate surfaces when necessary. May include knife sharpener, glass honing plates, fine abrasive liquid, honing glass compound, wood inspection block, and the like. This item is compatible for use with KNIFE, MICROTOME.

MARKING DYE KIT,TISSUE

A group of assorted different colored refill dyes arranged together in a case. It is designed for marking tissue biopsies and pathology specimens. May be used also for frozen or fixed tissue, to label margins, mark serial segments or process multiple biopsies in one cassette.

TEST KIT,AFLATOXIN IN MILK

A collection of items used to detect antibiotics, pesticides, and any other contaminants found in milk samples. It is compatible for use with the analyzer luminator system. May include aflatoxin tablets, 0.25 ppb aflatoxin M1 standard, solution AF, zero control standard, typical counts (TCAT), operator's manual (AFLM), and other related items.

TEST KIT,SOMATIC CELL

A collection of items used to measure and test somatic cell found in raw milk. It is compatible for use with the analyzer luminator system. May include buffer A, 30 ml, buffer B, 125 ml, reagent C, buffer S, 250 ml, ATP positive control, syringe, 3 ml, 8.Oum filter, 13 mm, bivalves, instructional manual, and other related items.

SPONGE,STERILE SAMPLING

An absorbent, free of bactericides and non-inhibitor speci-sponge. It is designed for environmental surface sampling of work areas, equipment, and any other places where testing for listeria, salmonella and other foodborne pathogens is required. May have whirl-pak bag and other related features for transport to laboratory for analysis.

TEST KIT,MICROBIAL QUALITY,WATER

An item designed to measure the total microbial load (yeast, mold, and bacteria) in water samples. It provides rapid microbiological assessment and correlates well with conventional plating methods. This item is compatible for use with the analyzer luminator system.

SPREADER,BACTERIAL CELL

A device used to evenly and rapidly distribute bacterial cells and prevents agar surface tears during bacteriological testing. May be cleaned and autoclaved repeatedly for multiple uses.

SWAB TEST,SANITATION MONITORING

A self contained, single service test which consists of a write on label, a premoistened swab with a biofilm breaking agent, a yellow liquid breaking solution that releases and stabilizes the ATP, a clear liquid buffering solution to neutralize any detergents found in the sample, and luciferin-luciferose which is tableted to extend shelf life and stability. The item is designed to perform monitoring of sanitation effectiveness and for collected samples that are stable for up to 6 hours before reading. It may be used with a hand held, battery powered analyzer or other analyzers.

COWL,FILTER CASSETTE CASE

An accessory item which is used as part of the cyclone assembly of the air sampling pump. It is used for loading empty sampling cassette cases and for selecting a variety of combinations of sampling media.

COVER,RACK,TEST TUBE,LABORATORY

An item used to cover a test tube rack. It may have an exclusive spring lock.

FILTER,SAFETY AID,PIPET

A disposable, hydrophobic, replacement item used as a barrier to prevent accidental contamination. It is compatible for use with the safety pipetting aid.

CASSETTE,FILTER

An item designed for use with the sampling pump accessories and air sampling equipment. It can be used for asbestos, personal sampling, and many other different contaminants used in various applications. Item comes in different diameters of sampling discs sizes to accommodate sampling needs.

CASE,FILTER CASSETTE

An item used for dust, asbestos fibers, and aerosal sampling. It comes with a variety of filter discs, and different size diameters, which can be selected for various sampling applications. May also be used with a variety of filter media.

SAFETY AID,PIPET

An one-handed, manual control operation device used with pipets that range from 0.1 to 100 ml. It has a single lever to control liquid aspiration and delivery, and a barrier to prevent accidental contamination. May be autoclaved and disassembled for cleaning.

TEST KIT,AMINOGLYCOSIDE

A collection of items used as an antibody drug test for gentamicin and neomycin type aminoglycosides found in milk samples using tablet reagents. May include multi-antibiotic standard, zero control standard, typical counts (GTBL), operator's manual and other related items.

TEST KIT,NOVOBIOCIN

A collection of items used as an antibody drug test for novobiocins found in milk samples using tablet reagents. May include novobiocin tablets, multi-antibiotic standard, zero control standard, typical counts (NTBL), operator's manual, and other related items.

TEST KIT,SULFONAMIDE

A collection of items used as an antibody drug test for sulfonamides found in milk samples using tablet reagents. May include sulfa tablet reagents, 10 ppb sulfamethazine standard, zero control standard, typical counts (SULFA), operator's manual, and other related items.

TEST KIT,TETRACYCLINE

A collection of items used as an antibody drug test for tetracycline found in milk samples using tablet reagents. May include tetracycline tablets, 100 ml 30 ppb oxytetracycline standard including certificate of analysis, zero control standard including certificate of analysis, typical counts (TET2), operator's manual, and other related items.

TEST KIT,MACROLIDE

A collection of items used as an antibody drug test for macrolides found in milk samples using tablet reagents. May include erythromycyin tablets, multi-antibiotic standard, zero control standards, typical counts (ETBL), operator's manual, and other related items.

TEST KIT,CHLORAMPHENICOL

A collection of items used as an antibody drug test for chloramphenical found in milk samples using tablet reagents. May include chloramphenicol tablets (CAP), multi-antibiotic standard, zero control standard, typical counts (CAP), operator's manual, and other related items.

TEST KIT,BETA-LACTAM

A collection of items used as an antibody drug test for beta-lactam found in milk samples using tablet reagents. May include X-B.LAC.TAB reagents, 100 ml 0.008 IU/ML standard including certificate of analysis, zero control standard, typical counts (cowside II, competitive, sequential, transit, or quantitative), operator's manual, and other related items.

BOTTLE,DILUTION

An item used specifically for fluid samplings. It contains a pre-filled phosphate buffered solution, purified water, monobasic potassium phosphate and sodium hydroxide for pH adjustment. May be color coded.

TEST KIT,SPECTINOMYCIN

A collection of items used as an antibody drug test for spectinomycin found in milk samples. It is compatable for use with the analyzer luminator system. May include reagent tablets, reagent R, 50 ppb spectinomycin standard, zero control standard, dilunet ND (30 ml bottles), typical counts (SPEC..CHP), operator's manual, and other related items.

TUBE KIT,SMOKE VENTILATION

A collection of items designed for use where regulated time of visable smoke is desired in order to determine the velocity, direction, and flow patterns of slow-moving air currents. May include aspirator bulb, plugs, smoke-producing tubes, carrying case, and other related items.

MARKER,MICROSCOPE SLIDE

An item used to surround tissue sections with a hydrophobic barrier, and to separate multiple test areas within a single specimen, such as a tissue section, cytology/microbiology slides or tissue culture monolayer. May also be used in immunohistochemical and DNA probe technology and staining protocols. This item marks on wet slides.

CALIBRATOR,AIR SAMPLING

A primary calibration device used to provide digital readout of the pump flow rate, flow meters and flow sensor found in the calibration of sampling pumps. May be portable and battery operated.

PUMP,PERISTALTIC

A device which utilizes a series of rollers projecting from the circumference of a rotating disc (rotor) as a means of transferring a fluid from one place to another. Rotation of the disc causes the rollers to press in turn on a flexible tube.

TUBE,IMMERSION

STIRRING BAR,MAGNETIC

An item containing a permanent magnet which is activated externally by the magnetic field of a magnetic laboratory stirrer. It is designed in various configurations to accommodate the stirring of liquids in different shaped vessels. For items furnished with two or more bars of different shapes and/or sizes, see STIRRING BAR SET, MAGNETIC.

PETROLEUM QUALITY ANALYSIS SYSTEM

A fully equipped, environmentally-controlled petroleum laboratory capable of conducting qualitative analysis activities on petroleum-derived products. System is mobile, and may include an auxiliary power supply or other additional support equipment. Excludes: LABORATORY, PETROLEUM, MODULAR BASE and LABORATORY, SEMITRAILER MOUNTED.

TEST TUBE,BLOOD COLLECTING

A graduated vessel which may contain substances preventing blood-clotting. Do not use if a more specific name is available.

WATER PURIFICATION UNIT,LABORATORY

An item use to produce pure water from tap at a constant flow. This item may be used as feed-water for laboratory humidifiers, glass cleaning machines, washing machines, autoclaves and the like.

CYTOCENTRIFUGE

A device which uses centrifugal force to retrieve cells or microorganisms from body fluids, such as cerebrospinal fluid, synovial fluid, sputum, or urine, while preserving cell morphology. It spins at lower speeds, has more gradual acceleration and deceleration than a laboratory centrifuge, and may be capable of depositing cells directly onto a slide for examination purposes.

REMOTE CONTROL,INSTRUMENT-EQUIPMENT

A wired or wireless transmission device that provides remote control for equipment or instrument by pressing buttons mounted on the device. Excludes REMOTE CONTROL,HANDHELD,UNIVERSAL; REMOTE CONTROL,HANDSET,TELEVISION; REMOTE CONTROL HANDSET,VIDEO and REMOTE CONTROL RADIO DEVICE,HANDHELD.

BASKET,ULTRASONIC CLEANER

An item designed for use in a CLEANER,ULTRASONIC to hold articles during the cleaning process.

COVER,BASKET,ULTRASONIC CLEANER

An item designed to be used on a BASKET,ULTRASONIC CLEANER.

CONTAINER,STORAGE,CRYOBIOLOGICAL

An item composed of a double shell reservoir structure comprising an internal vessel, a cover and the like, with rollers which facilitate the displacement of the device. It is used for the storage in a cryogenic liquid, generally nitrogen, of biological products disposed in pockets, canisters, or in containers with drawers.

BURET ASSEMBLY,LABORATORY

Two or more BURET,LABORATORY mounted on a support frame.

TONGS,HANDLING,REMOTE

An item designed to remotely pick up, move and/or manipulate objects. It usually consists of a control handle equipped with a rod and a tongs head. It may be used for picking up waste, taking contaminated objects, manipulating in laboratory glove boxes or hot cells, and the like. It may have accessories such as one or more extensions, a leak-tight coupling (alpha adaptor), and the like. Excludes TONGS, LABORATORY and REACHER, INSTRUMENT, PATIENT.

RECEPTACLE,CRYOBIOLOGICAL,LABORATORY

An item used to store samples in a CONTAINER,STORAGE,CRYOBIOLOGICAL, freezer, and the like. It may be under various shapes and sizes, such as pockets, canisters, tubes, boxes or other accessories.

RECORDER,TIME

A mechanically or electrically operated clock which is primarily designed to imprint time data on cards, documents, and the like. It may be equipped to imprint additional data not related to time. It may be actuated manually or automatically by card insertion. It incorporates provisions for automatic, semiautomatic, or manual precise positioning of lined, and/or columned "in and out" time cards, "elapsed time" job cards, and the like. For similar items not having provisions for precise positioning, see STAMP, TIME. See also CLOCK, RECORDING, WATCHMAN'S. For instruments designed to measure the total operating time of a circuit, machine or system, see METER, TIME TOTALIZING.

STAMP,TIME

A mechanically or electrically operated clock which is primarily designed to imprint time data on letters, documents, and the like. It may be equipped to imprint additional data not related to time. It may be actuated manually or automatically by insertion of the item to be stamped. It does not incorporate provisions for precise positioning of the stamp. For similar items which incorporate provisions for precise positioning of the stamp, use RECORDER, TIME.

STOPWATCH

A timepiece designed exclusively to indicate a time interval, with reference to measurement. It may be started and stopped at any given instant, and controlled by a start and stop mechanism. Excludes Timer as used to control, regulate, or register a fixed time interval which has been previously determined.

CLOCK,DIRECT READING

A clock having a mechanism which measures and indicates the progress of time in direct numeric sequence on a series of rotating drums. For instruments designed to measure the total operating time of a circuit, machine or system, see METER, TIME TOTALIZING.

TIMER,INTERVAL

An instrument for signalling the expiration of a predetermined time. It may also have an automatic switch for control of electrical circuits See also TIMER, STOP.

CLOCK,PROGRAM

An electrically operated clock having a disk, drum, or tape mechanism for presetting scheduled operation of bell(s) or other signals connected to one or more electrical circuits. It may not have a mechanism for controlling or regulating secondary clocks.

CLOCK,MASTER REGULATING

A precision clock having a mechanism for controlling and regulating secondary clocks. It may not have any device for actuating bells or other signals.

TIMER,STOP

A precision instrument for measuring and indicating elapsed time periods. Not intended to be carried on the person. See also TIMER, INTERVAL.

CLOCK,ALARM

A clock having an adjustable alarm device for signalling at a preset time.

CLOCK,SHELF

A clock designed to set atop a shelf, mantel, desk, table and the like. It does not have an alarm mechanism, but may have chimes and/or strike mechanism. For clocks with an alarm, see CLOCK (1), ALARM.

CLOCK,MARINE,MECHANICAL

A clock having a spring-wound movement, contained in a moisture-proof plastic or metal case designed for mounting on a vertical surface.

CLOCK,WALL

A clock specifically designed for mounting on or in a wall. It may have chimes and/or strike features. It shall not have any mechanism for controlling and regulating secondary clocks or alarm signalling devices.

METER,TIME TOTALIZING

An instrument that automatically measured, and cumulatively registers the total operating or idle time of any circuit, machine or system, to which it is connected. See METER, FREQUENCY AND TIME TOTALIZING, ELECTRICAL.

CLOCK MOVEMENT,ELECTRIC

An item consisting of an electric motor and necessary gear assembly to actuate the dial indicators, or pointers of a clock, in respect to time. Does not include the dial, pointers or indicators.

ROLLER,RECORDING INSTRUMENT CHART

A cylindrical item used to hold recording instrument charts in roll form.

CASE,WATCH,POCKET

WATCH,POCKET

WATCH,WRIST

HOLDER,WATCH

A device for holding or mounting a watch in a convenient reading position. Excludes CASE, WATCH POCKET.

CHRONOMETER

An instrument for precisely determining time, manufactured to close tolerances to assure the time-keeping qualities of dependability and consistency of rate. These qualities are accurately ascertained by comparison with more exact devices or by astronomical methods so that the accumulated error may be taken into account when determining time. Its usual uses are to indicate time for navigational purposes, and to serve as a reference for less accurate timepieces. It is usually provided with a winding indicator dial and is usually mounted in gimbals to maintain the instrument in a level position. May consist of a spring driven or other type of movement which is capable of exacting performance without regulation throughout the normal range of room temperatures. Not designed for carrying on the person.

CASE,CHRONOMETER,GIMBAL

A hardwood case consisting of three sections. The bottom section includes a pivoted metal ring to which are affixed two pivots for retaining a chronometer and a lock for immobilizing the gimbals; the middle section contains a window for reading; the top section is a lid. The three sections snap together with spring catches. This case is intended to keep a chronometer fitted with pivot mountings in a level, dial-up position if the case is shifted or tipped. It is never used as a case for shipping. Excludes CASE (2), MAKE-BREAK CIRCUIT CHRONOMETER.

CHRONOMETER,MAKE-BREAK CIRCUIT

An instrument which measures time to the accuracy of a CHRONOMETER, and which includes precision internal contacts for opening and/or closing an external electric circuit. The intervals and frequency of opening and closing are preset during manufacture by the program wheel(s) design. If mounted, case may contain batteries, spark supressor circuit and relay. See also TIMER, SEQUENTIAL; TIMER, INTERVAL and INTERVALOMETER (as modified).

CAN,SHIPPING AND STORAGE,CHRONOMETER

A cylindrical metal container with detachable lid, designed for shipping and storing an unmounted chronometer. It includes molded foam rubber pads which cushion the instrument against shock. the canned chronometer is usually overpacked for shipment.

CASE,MAKE-BREAK CIRCUIT CHRONOMETER

A case with a leather carrying strap, designed for mounting an unmounted CHRONOMETER, MAKE-BREAK CIRCUIT. It is provided with outside terminals for connecting the instrument to an electrical circuit. It includes a hinged or removable lid to protect the window through which the dial is read. One type, designed to mount the instrument in gimbals, consists of a hardwood box with bottom compartment for housing batteries, relay and spark suppressor circuit. The other type, designed to mount the instrument in foam rubber pads, is of ferrous magnetic metal moistproof construction, but without space for accessories.

RECORDER,WATCH MOVEMENT

A self-contained instrument designed to record the sound of the tick of a watch so that the performance characteristics of the watch movement may be determined.

COVER,INTERVAL TIMER

TIMING MOVEMENT,MECHANICAL

A precision instrument designed to provide a constant velocity rotational movement. It may or may not have a self-contained power source. It is adapted to actuate mechanical time fuze(s), switch(es) and/or mechanical lever(s) and the like. It does not have a dial or case. Excludes TIMER, INTERVAL and TIMER, STOP.

DASHPOT

A device usually consisting of a piston and cylinder with means of securing one or both ends. It is used for cushioning or clamping a movement to avoid shock, absorb vibration,or for time delay, by the restricted passage of fluid (gas or liquid) through an orifice or around the piston.

TIMER,FIRE CONTROL,BOMBING

A device used to activate and/or deactivate components or associated unit(s) at a precise and predetermined time. The action is accomplished by the actuation of the power switch, the start switch, and the manual setting of knob(s) on the face of the device. This setting controls the release of bombs from an aircraft.

CLOCK,PANEL

A clock specifically designed for mounting on or in a panel. It may have a strike mechanism. Excluded are mechanisms for controlling and regulating secondary clocks and alarm signalling devices.

PARTS KIT,DASHPOT

HOUSING,TIMER

The outer component of a timer designed to inclose, support and/or protect the timer mechanism.

STRAP,WRIST INSTRUMENT

An item consisting of one or two narrow strips of material cut to a definite length, having one end processed with a fastening device. The other end is processed to mate with the fastening end. It is intended for the atachment of watches, compasses and depth gauges, The item may be resistant to magnetic forces.

KEY,RECORDING,WATCHMAN'S CLOCK

An item that registers embossed impressions on a type fibre/paper time dial. Impressions are made directly from raised numerals or letters on the item or may require the use of ribbons, carbon, or inking devices for legible impressions.

READER,TIME CODE

A device capable of processing noise-free signals from generators, range time code distribution systems and instrumentation tape reproduces. It is designed to be rack mounted and may include mounting hardware.

STATION,WATCHMAN'S CLOCK

A container used to store a key for a CLOCK, RECORDING, WATCHMAN'S. May be lockable and may include the key and/or chain.

PARTS KIT,CLOCKWORK

A group of spare parts used for repair or replacement of clockwork items.

CASE,INTERVAL TIMER

A case specifically designed to inclose and protect an interval timer.

TIMER,SEQUENTIAL

An item which actuates included electrical contacts and/or switches in an orderly succession, and at a predetermined interval(s) for the purpose of controlling the operation of another electrical device(s). May have provision for manually establishing an operational sequence or cycle. See also RELAY, MOTOR DRIVEN; TIMER, INTERVAL; KEYER (as modified); CHRONOMETER, MAKE-BREAK CIRCUIT and INTERVALOMETER (as modified).

CLOCK,RECORDING,WATCHMAN'S

A clock designed to be carried on the person for the specic purpose of maintaining security by having the person record the time visited at various watchmen's stations. The clock must have a key or plunger port for recording time on a paper disk or paper tape. Maximum security for the clock is maintained by having a tamperproof device for recording the time when the case is open and/or closed. Excludes RECORDER, TIME.

GENERATOR,TIME CODE

A device specifically designed for use as a central timing device for the purpose of providing time-correlated signals for magnetic tape recorders, oscillographs, strip chart recorders, cameras, digital printers, remote digital displays or direct computer entry. The device may generate various time code formats, contain special features for time comparisons against broadcast time signals and provide visual display in BCD or decimal format.

MONITOR,HEART RATE

An item designed to measure the heart rate of an individual via a transmitter worn directly on the skin. May be used in exercising to track and/or record heart rate and calculate training effect and the like. May also include peripheral accessories for accumulating data in various activities. Excludes ELECTROCARDIOGRAPH.

COVER SET,MULTIPLEX EQUIPMENT

A group of covers of various shapes specifically designed for use on multiplex equipment.

TARGET SET,SURVEYING

A collection of surveying equipment, such as targets, reflectors, and tribrachs, which may be provided with electrical illumination and used in precise traversing.

CURTAIN,PHOTOGRAMMETRIC VERTICAL REFLECTING PROJECTOR

PEN,RULING,DRAFTSMAN'S

An instrument having two or more blades, usually of steel, which are fixed or replaceable. They are attached to a handle at one end, the other ends being pointed. The distance between the points is adjustable. It is used in drafting for inking lines.

COMPASS,DRAFTING,PIVOT

An instrument consisting of two branches or legs joined at one end by a pivot, one leg having a needle point, the other a writing point. It is used for drawing circles. Points for use as dividers may be included, but at least one writing point must be included. For compass type dividers, see DIVIDERS, DRAFTING, PLAIN.

TRIPOD,SKETCHING BOARD

TRIPOD,SURVEYING

A three legged device for holding or supporting various types of surveying instruments or equipment with the legs hinged to the top or head.

JACOB'S STAFF

A pole with one end pointed and the other end turned to fit into a ball and socket attachment on a surveying compass or hand level.

T-SQUARE

A tool having a fixed or swivel head or crosspiece normally attached at a right angle to the end of a straight edge or blade. It is used as a guide for drawing straight lines in drafting.

TRIANGLE,DRAFTING

A thin, flat, plane, or graduated triangular piece of celluloid, wood, or metal, usually having a right angle and varying adjacent angles, or two attached triangles or graduated arms which may be adjusted to angles of various degrees. It is used as a guide for drawing lines. Excludes items punched as templates or line guides.

PARALLEL RULER

A tool for drawing a line parallel to another, or a series of parallel lines as a nongraduated flat straightedge, having two beveled edges running on a pair of rollers mounted in one of its sides or a pair of straightedges connected by two parallel links so that only one straightedge can be moved parallel to the other. Excludes STRAIGHTEDGE, PARALLEL RULING, GUIDE CORD.

BENCH MARK

A metal tablet, usually set in a concrete base or fastened to a permanent structure or boulder used as a reference point in surveying.

DRAWING BOARD

A square or rectangular fabricated object, usually of wood, having at least one squared end and a flat smooth surface to which paper can be affixed for use in drafting. See also DRAWING BOARD AND TRESTLE; DRAFTING MACHINE AND DRAWING BOARD; PLANE TABLE BOARD; and SKETCHING BOARD.

ROD,LEVEL

A strip of wood, metal or flexible material having graduations on one or both flat surfaces, used with a surveying level to measure vertical distances between points on a vertical plane, and the line of sight of the level.

PROTRACTOR,CIRCULAR

PROTRACTOR,SEMICIRCULAR

MEASURER,MAP

An instrument having a tracing wheel attached to a watchlike case with a dial, with or without a handle. It is used for measuring roads, contours, and other irregular lines on maps, charts, and the like.

STEREOMETER,PHOTOGRAMMETRIC

An optical instrument consisting of a stereoscope, a measuring system, a drawing attachment, and alignment mechanism. It is used in interpreting elevation and contours from aerial photographs.

ALIDADE,SURVEYING

An instrument consisting of a sighting device mounted on a graduated base, used for plotting the lines of a survey directly from observation.

HELIOTROPE,SURVEYING

An instrument used in long distance surveying as a target, consisting of a mounted mirror which reflects the sun's rays through an aiming device toward an observer. It is usually equipped with an auxiliary mirror, and may also be used as a signaling device.

PROTRACTOR,ONE ARM

A protractor having a circular or semicircular shape with a movable arm or straight edge for extending graduations on protractor either for drawing lines or locating a point. Excludes PROTRACTOR, MECHANICS, BEVEL and PROTRACTOR, MECHANICS, PLAIN.

PROTRACTOR,TWO ARM

A protractor having a circular or semicircular shape with two movable arms. Excludes PROTRACTOR, MECHANICS, BEVEL and PROTRACTOR, MECHANICS, PLAIN.

PROTRACTOR,THREE ARM

A protractor having two movable and one stationary arm. Excludes PROTRACTOR, MECHANICS, BEVEL and PROTRACTOR, MECHANICS, PLAIN.

LEVEL,SURVEYING

An instrument consisting of a leveling and sighting device, used for general topographic measurements, such as determining and delineating the form, extent or the like, of a tract of land. It is manually adjusted. Excludes CLINOMETER, ELEVATION AND DEPRESSION, SURVEYING and LEVEL, OPTICAL, AUTOMATIC.

POLE,RANGE

A straight slender piece of wood or a metal tube, used for sighting lines or points in surveying.

ARROW,SURVEYING

A metallic pin or rod pointed at one end, having a loop or eye at the other end, used to stick in the ground at each chain or tape length in land surveying.

QUIVER,SURVEYING ARROW

A cylindrical or rectangular container, with a belt fastenening device or devices, designed to carry surveying arrows. It has a closure such as a strap across the opening or a snap fastener type for retaining the arrows in the quiver.

TRESTLE,DRAWING BOARD

A braced-frame forming the whole support of a drawing board.

SCRIBER,DRAFTING

A device for scribing impressions of letters, symbols, characters, and lines with an etching point, by means of guides, templates, or free hand. Excludes SCRIBER, LETTERING.

SCRIBER,LETTERING

A device for tracing letters and characters with either a pen or pencil point by means of a guide or template.

PANTOGRAPH

An instrument used for reducing and enlarging the outline of a drawing, map or draft by means of adjustable arms.

INTEGRAPH

A mechanical device used for ascertaining the area and moments relative to any axis of a given figure and automatically draws the integral curves, giving a graphic representation of the integration.

INTEGRATOR

A mechanical device for ascertaining the area and moments relative to any axis of any figure by tracing its outline.

PLANIMETER

An instrument designed to ascertain by simple mechanical operation the area of any plane surface represented by a figure such as indicator diagrams, profile plans, sections.

DRAFTING MACHINE

An instrument primarily used in drafting, consisting of two joined arms, one end being secured to a stationary surface and the other end equipped with an adjustable protractor and removable ruled scale(s); or two rigid beams, one beam anchored across full length of top of drawing board, the other beam perpendicular to top beam equipped with adjustable protractor and removable ruled scale(s). It is used as a guide for drawing parallel lines at any angle on a chart or drawing, or transmitting reference points.

SKETCHMASTER

A device for transferring an image from one medium to another, as from an aerial photograph to a map sheet.

ALTIMETER,SURVEYING

A barometric type instrument consisting of a pressure sensitive element which contracts or expands in proportion to atmospheric pressure, connected through a linkage to a pointer. Its dial is graduated in units of linear measurement (feet, meters, and the like), to indicate differences of elevation only. Excludes ALTIMETER, PRESSURE.

TEMPLATE,DRAFTING

A thin transparent sheet of plastic or similar material, having cut out portions outlining some definite objects, symbols, or geometrical shape(s). Excludes TEMPLATE, LETTERING.

STRAIGHTEDGE

A bar or slip of wood, metal, or plastic, having one or more long edges made straight within a desired degree of accuracy. It is used for testing straight lines or surfaces, drawing straight lines, and the like. Straightedges having one beveled edge may be graduated on the beveled edge. Excludes STRAIGHTEDGE, PARALLEL RULING, GUIDE CORD; SCALE (as modified); RULE (as modified) and RULER (as modified).

DIVIDERS,DRAFTING,PROPORTIONAL

An instrument consisting of two branches or legs which are pointed at both ends and joined by a sliding pivot, the position of which may be so adjusted that the ratio of the distance between one pair of points and the pivot and the distance between the other pair of points and the pivot may be varied. This combination produces the variable ratios. Used for making proportional transfer of measurements.

COMPASS,DRAFTING,BEAM

An instrument consisting of two or more clamps which may be attached to a beam so that the distance between them may be varied. One of the clamps holds a needle point, and the other a writing point. It is used for drawing circles. Points for use as dividers may be included.

ROD,STADIA

A strip of wood, metal or flexible material having graduations, symmetrical designs, or patterns on one or both of the flat surfaces. It is used with a surveying instrument to measure ground distances.

DIVIDERS,DRAFTING,PLAIN

An instrument consisting of two or three branches or legs joined at one end by a pivot and being pointed at the other end. Used for transferring measurements. Does not provide means for drawing circles.

SCALE,DRAFTING

A thin, flat or triangular strip of wood, plastic, or other material, with one or more edges, graduated in common units of linear measurement (inches, centimeters, feet, yards, or meters), which are subdivided into fractional or decimal parts of the unit. Generally used in drafting for measuring distances. Excludes SCALE, PLOTTING and RULE (as modified).

CURVE,DRAFTING,IRREGULAR

A thin flat piece of metallic, plastic, or similar material having one or more edges used as a guide for drawing curves, all portions of which are not subject to the same mathematical formula.

LEVEL,LEVEL ROD

A small device consisting of a level vial or vials mounted in a bracket which is held against or fastened to a level rod to determine whether the rod is being held in a vertical position.

PLANE TABLE BOARD

A rectangular or square device made of wood with provisions for attaching to a ball and socket tripod head for holding maps or drawing paper. It is used in conjunction with an alidade for surveying and topographic work. Excludes DRAWING BOARD and SKETCHING BOARD.

CASE,DRAWING BOARD AND PLANE TABLE BOARD

CASE,DRAFTING INSTRUMENT SET

CASE,COMPANY DRAFTING EQUIPMENT

CASE,DRAFTING AND DUPLICATING EQUIPMENT

CASE,ENGINEER BATTALION DRAFTING EQUIPMENT

CASE,FIELD ARTILLERY SOUND RANGING DRAFTING EQUIPMENT SET

CASE,FIELD ARTILLERY TOPOGRAPHIC SURVEYING SET

CASE,RANGE POLE

CASE,REGIMENTAL DRAFTING EQUIPMENT

SCALE,PLOTTING

A thin, flat or triangular shaped strip of wood, plastic or other material with one or more edges graduated in units applicable only for the plotting of distances represented by the map ratio printed on the scale. The scale may contain one edge graduated on a 1 to 1 ratio. Used for plotting or measuring distances on maps, charts, and the like. Excludes SCALE, DRAFTING and RULE (as modified).

SIGHT,LEVEL

An item consisting of two separate mounting brackets, one having an aperture with cross hairs, the other with a plain aperture; or each with a fitted device with such apertures. It is attached to a level or straightedge and is used as an inexpensive substitute for surveyors' instruments to level and align walls, grades, fences, and the like. See also LEVEL, SURVEYING.

TACK,CENTER,DRAFTING

A round-headed device with one or more points to be secured over a given point on a drawing. It is used for centering compasses or dividers.

RULER,DRAFTING,ADJUSTABLE CURVE

A flexible ruling device for drawing desired curves in drafting. It does not require weights or fasteners to retain its various shapes.

LINE GUIDE,LETTERING,ADJUSTABLE

A device consisting of a revolvable transparent disk mounted within a plastic or wire frame. It is used primarily for drawing guide and slope lines for freehand lettering.

CLINOMETER,ELEVATION AND DEPRESSION,SURVEYING

An instrument consisting of an arc scale mounted within a circular case. It is used for measuring angles of elevation and depression. Excludes LEVEL, SURVEYING.

COLLIMATOR,VERTICAL,SURVEYING

A telescopic instrument which enables an observer to look in a horizontal direction and see a point vertically overhead. May be equipped with an additional telescope enabling observation of a point vertically downward.

CLINOMETER,ELEVATION

An optical instrument consisting of a sighting tube and a quadrant scale plate, used to ascertain the angle of elevation of an object.

TABLE,FOLDING LEGS

A table equipped with legs that can be folded for compactness in storing or sitting away when not in use. See also TABLE, GAME.

TRIVET,SURVEYING INSTRUMENT

A device with three short, unadjustable legs integral with the body on which surveying equipment or instruments may be mounted.

STEREOSCOPE,LENS-PRISM,AERIAL PHOTOGRAPH INTERPRETATION

An item designed primarily for viewing and examining the topagraphic detail of composite stereoscopic aerial photographs.

STEREOSCOPE,LENS-MIRROR,AERIAL PHOTOGRAPH INTERPRETATION

An item designed for stereoscopic interpretation of aerial photographs. It may include binoculars for purpose of additional magnification.

STEREOSCOPE,LENS-PRISM-MIRROR,AERIAL PHOTOGRAPH INTERPRETATION

An item designed for the viewing of overlapping aerial photographs.

STEREOSCOPE,LENS,AERIAL PHOTOGRAPH INTERPRETATION

An item designed for stereoscopic examination of aerial photographs.

TRANSIT,POCKET

An instrument utilizing a magnetic needle and a graduated dial to determine direction in relation to the magnetic poles. Operation of the clinometer arm is by a finger lever on the rear of the case. While sighting the instrument, or holding it in contact with a surface, the lever is revolved until the image of a centered bubble is seen reflected in the mirror.

TAPE,PLOTTING

A narrow strip of flexible material graduated and numbered so that a linear dimension greater than one foot (0.3048 meters) is represented to a specified ratio by a division of the tape.

BAR,BEAM DRAFTING COMPASS

A various cross-sectional shaped piece of wood or metal to which a needle point and a writing point may be attached when used with a COMPASS, DRAFTING, BEAM.

DRAFTING MACHINE AND DRAWING BOARD

An instrument consisting of a jointed arm with one end fastened to a rectangular shaped board and the other end free to move over the surface of the board. Attached to the free end of the arm is either a triangle, a protractor head and triangle, or a protractor head and L-square.

PRINTER,TRANSFORMING,PHOTOGRAMMETRIC

An instrument designed to produce transformed prints from fixed-angle oblique aerial photography. It consists essentially of an inclosed light source, film carrier, projection lens and pressure plate. It is used for photogrammetric purposes. Excludes PRINTER, PROJECTION, PHOTOGRAPHIC and RECTIFIER, PROJECTION PRINTING, PHOTOGRAMMETRIC.

RECTIFIER,PROJECTION PRINTING,PHOTOGRAMMETRIC

An instrument designed to make transformed prints of tilted, aerial photographic negatives. In operation, the negative is mounted on a frame and its image is projected through a lens system onto a sensitized material affixed to an easel. In order to achieve rectification, the angle of any two of the foregoing elements (negative frame, lens, easel) must be adjustable. It is used for photogrammetric purposes. Excludes PRINTER, PROJECTION, PHOTOGRAPHIC; and PRINTER, TRANSFORMING, PHOTOGRAMMETIC.

DRAWING BOARD AND TRESTLE

An item consisting of a DRAWING BOARD and a TRESTLE, DRAWING BOARD.

ARROW SET,SURVEYING

A collection of items consisting of two or more surveying arrows carrying ring or surveying arrow quiver. Excludes ARROW, SURVEYING.

CARTOGRAPHIC SECTION,TOPOGRAPHIC MAPPING SET,TRUCK MOUNTED

A collection of items designed to perform the following functions: color separation drafting of revised or newly compiled planimetric and topographic maps; preparation of type lists for marginal data and place names; placement of stick-up lettering of map manuscripts; preparation of overlays; and the performance of miscellaneous general cartographic requirements. This equipment is normally used in the prescribed combination with other functionally distinct sets of equipment to form a mobile photomapping train.

COMMAND POST AND FIRE DIRECTION PLOTTING EQUIPMENT SET

A collection of drafting and plotting equipment such as drawing instruments, drawing board, protractors, plotting scales and the like. Suitable for use by a command post or in plotting artillery fire.

COMPUTING AND DRAFTING EQUIPMENT SET

A collection of drafting equipment and survey computation forms. Used in connection with the reduction of field survey data.

COPY AND SUPPLY SECTION,TOPOGRAPHIC MAPPING SET,TRUCK MOUNTED

A collection of equipment suitable for the conduct of copy work by the ammonia process and storage of small items of equipment and supplies for issue. This equipment is normally used in the prescribed combination with other functionally distinct sets of equipment to form a mobile photomapping train. Excludes REPRODUCTION SET, TOPOGRAPHIC, TRAILER MOUNTED.

DRAFTING AND DUPLICATING EQUIPMENT SET

A collection of drafting and duplicating equipment such as drawing instruments, gelatin pads (film) and the like. Intended for limited drafting and duplicating work. Does not provide supplies and equipment for finished cartographic work or full reproduction of full sized maps or drawings.

DRAFTING EQUIPMENT SET,BATTALION

A collection of drafting equipment such as slide rules, note books and the like. For use in the preparation of charts, sketches, overlays and similar functions. Intended for limited drafting requirements only.

DRAFTING EQUIPMENT SET,COMPANY

A collection of drafting equipment and supplies such as drawing instruments, drawing board and the like. It is intended for use by units having a need for a small amount of drafting work in the field. Sufficient equipment is provided for one draftsman.

DRAFTING EQUIPMENT SET,SUPPLEMENTARY

A collection of drafting instruments and supplies of additional equipment for battalion or company sets.

DRAFTING EQUIPMENT SET,TOPOGRAPHIC BATTALION,HEADQUARTERS AND SERVICE COMPANY

A collection of drafting equipment such as a planimeter, map measurer, map filing cases and the like. Used for the editing, reviewing and coordinating of maps, drawings and the like. Does not provide all the equipment and supplies required for cartographic drafting.

DRAFTING EQUIPMENT SET,TOPOGRAPHIC BATTALION,PHOTOMAPPING COMPANY

A collection of drafting equipment such as a photoangulator drafting and negative cutting table and the like. Used for revision of maps and for all drafting operations required in original map compilation and final color separation. Not suitable for compilation of initial map manuscripts done by stereophotogrammetric methods.

INTERPRETATION KIT,PHOTOGRAPHIC

An item consisting of equipment and supplies necessary for photo interpretation. Included are stereoscopes, magnifiers and scales for viewing images and making linear and height measurements on photographs. Other components include shears, proportional dividers, minimum drafting equipment, and office type expendables.

MAP DISTRIBUTION SET

A collection of equipment which provides topographic organizations with an assembly of cabinets, tools and supplies for sorting, packaging and addressing of maps.

MAP REVISION SECTION,TOPOGRAPHIC MAPPING SET,TRUCK MOUNTED

A collection of equipment suitable for the revision of planimetric detail of existing maps and limited new compilation of planimetric detail and aproximate contours from vertical and high oblique aerial photographic prints for tactical and strategical requirements. This equipment is normally used in the prescribed combination with other functionally distinct sets of equipment to form a mobile photomapping train. Excludes MAP LAYOUT SECTION, TOPOGRAPHIC REPRODUCTION SET, TRUCK MOUNTED.

PHOTOMAPPING SECTION,TOPOGRAPHIC MAPPING SET,TRUCK MOUNTED

A collection of equipment suitable for editing of photo revised maps, multiplex manuscripts, color separation sheets and photomaps; construction of mosaics and photomaps; and computation of geographic and grid coordinate data to establish horizontal photogrammetric control. This equipment is normally used in the prescribed combination with other functionally distinct sets of equipment to form a mobile photomapping train. Excludes PHOTOGRAPHIC PRINTING AND PROCESSING SECTION, TOPOGRAPHIC REPRODUCTION SET, TRUCK MOUNTED.

PLOTTING AND COMPUTING SET

A collection of plotting equipment and computing machines used in connection with the compilation of survey data.

PLOTTING INSTRUMENT SET,STEREOPLOTTER,MULTIPLEX CONTROL BOOTH

A collection of stereoplotting instruments and related equipment used by an operator in a topographic unit to bridge or extend photogrammetric control data required in compilation of maps.

PLOTTING INSTRUMENT SET,STEREOPLOTTER,MULTIPLEX LABORATORY

A collection of equipment and supplies used for preparing diapositives for multiplex projection and for preparing photographic prints for photomaps, mosaics, and map revision.

PLOTTING SET,ARTILLERY FIRE CONTROL

A collection of plotting equipment such as slide rules, tracing paper and the like. Primarily intended for use to supplement other fire control sets. It is not suitable for field or office plotting work.

RECTIFIER SECTION,TOPOGRAPHIC MAPPING SET,TRUCK MOUNTED

A collection of equipment suitable for the rectification, scale ratio printing, contact printing, and processing of aerial photography employed in the compilation of topographic maps, mosaics, and photomaps. This equipment is normally used in the prescribed combination with other functionally distinct sets of equipment to form a mobile photomapping train. Excludes LABORATORY SECTION, TOPOGRAPHIC REPRODUCTION SET, TRUCK MOUNTED.

REPAIR KIT,SURVEYING INSTRUMENT

A collection of small hand tools and material. It is used for cleaning, adjusting, and minor repairs of surveying instruments, such as alidades, heliotropes, levels, theodolites, and transits.

SKETCHING SET,SURVEYING

A collection of surveying equipment such as sketching board, clinometer, boxwood alidade and the like. Permits sketching approximate contours but is not intended for accurate surveys as no precise surveying equipment is included.

STEREOMETER SET,STEREOCOMPARAGRAPH,PHOTOGRAMMETRIC

A collection of equipment such as a stereocomparagraph, drawing board, drafting machine and the like. Used to sketch approximate contours from overlapping pairs of vertical aerial photographic prints.

SURVEYING SET,ASTRONOMIC AZIMUTH

A collection of equipment such as theodolite, chronometer and the like. Used for making astronomic azimuth and longitude observations with an accuracy suffcient to establish a geodetic azimuth with an error not exceeding four seconds of arc.

SURVEYING SET,ASTRONOMIC POSITION

A collection of equipment such as theodolite, chronometer, and the like. Used for making latitude and longitude observations with sufficient accuracy to establish an astronomic position with an error not exceeding five meters.

SURVEYING SET,FIELD ARTILLERY BATTALION

SURVEYING SET,FIELD ARTILLERY FLASH RANGING

SURVEYING SET,UTILITY

A collection of surveying equipment such as a transit, alidade, level and level rods. Used for topographic surveys by either the planetable or transit stadia method as well as establishing horizontal and vertical control by transit traverse and spirit leveling.

SURVEYING SET,PLANE TABLE

A collection of surveying equipment such as an alidade, planetable and protractor. For use in making topographic surveys by planetable method.

SURVEYING SET,PRECISE BASELINE

A collection of surveying equipment such as measuring tapes, stretcher apparatus and the like. Does not include instruments for determining alignment and elevation. Used for measuring baselines of first-order accuracy.

SURVEYING SET,PRECISE LEVELING

A collection of surveying equipment such as a level, level rod and thermometer. It is used for spirit leveling of 2nd order accuracy.

SURVEYING SET,PRECISE TRAVERSING

A collection of surveying equipment such as theodolite, level, and surveying altimeter. It is used in determining the direction and length of traverse course by both the taping and stadia methods as well as determining elevations by spirit, trigonometric and barometric leveling.

SURVEYING SET,SUPPLEMENTARY EQUIPMENT,TOPOGRAPHIC BATTALION

A collection of miscellaneous equipment such as an axe, auger, plumb bob and the like. Used to supplement surveying equipment used by a survey or topographic unit. Not suitable for use as an independent surveying equipment set.

SURVEYING SET,TOPOGRAPHIC COMPANY

A collection of surveying, drafting, computing and office equipment such as a theodolite, scales, computation forms and the like. Used in preparing sketches, maps and similar functions for furnishing geodetic control to field artillery.

SURVEYING SET,TRIANGULATION

A collection of surveying equipment such as a theodolite, heliotrope, signal lamps and other principal items required by an observer and signal tender. Used in triangulation surveying.

SURVEYING SET,TRIANGULATION RECONNAISSANCE

A collection of surveying and drafting instruments such as an alidade, planetable, protractor and scale. Not suitable for reconnaissance in engineering operations, such as highway and pipeline construction.

SUPPLEMENTARY EQUIPMENT,TOPOGRAPHIC PHOTOMAPPING

A collection of items which will augment the truck-mounted topographic mapping sets to complete the equipment and supplies required for photomapping operations.

SURVEYING CONTROL SECTION,TRUCK MOUNTED

A collection of drafting, computing and office equipment, together with normal operating supplies which are installed in a truck-mounted van type body. It serves as a mobile base of operations for field survey parties and as a communication center between the field parties, the base, and with higher headquarters.

PEN SET,LETTERING,FREEHAND

A group of two or more different line width producing PEN, LETTERING, FREEHAND.

PEN SET,LETTERING,SCRIBER-TEMPLATE

A group of two or more different PEN, LETTERING, SCRIBER-TEMPLATE.

PEN,LETTERING,FREEHAND

A lettering device consisting of a pen point containing an ink reservoir and an adjusting screw for regulating the flow of ink, affixed to a handle. Designed to produce uniform lines in freehand lettering. Excludes PEN, LETTERING, SCRIBER-TEMPLATE.

HOLDER,LEAD,LETTERING SET SCRIBER

A metal mechanical device that will receive and hold graphite firmly and shall fit a scriber for use in pencil drawing and hand printing. The holder may feature mechanical advance of the graphite.

CHEST,PLOTTING EQUIPMENT

CHEST,SURVEYING EQUIPMENT

PROJECTOR,VERTICAL REFLECTING,PHOTOGRAMMETRIC

A projector used to transfer details from opaque aerial photographs or maps to map manuscripts, and for general map compilation or revision. Consists essentially of lens, mirrors, focusing mechanism and an integral horizontal plotting table. Excludes PROJECTOR, STILL PICTURE.

TABLE,STEREOPLOTTER,PROJECTION

A table designed to support a stereoplotter frame and projectors.

FRAME,STEREOPLOTTER,PROJECTION

A device consisting essentially of upright supports and a horizontal bar(s). Used as a means of suspending stereoplotter projectors above a datum surface.

COOLING UNIT,STEREOPLOTTER PROJECTOR

A cooling unit consisting of an electric motor, blower, and filter assembled in a carrying case. Designed for operation in the carrying case and used for cooling the lamp housings of stereoplotter projectors.

PIN,ADJUSTING,SURVEYING INSTRUMENT

A tool whose end(s) is of such a diameter that it will fit into the radial holes in the capstan nuts of surveying instruments in order to give the needed leverage for loosening and tightening the nuts.

PLANE TABLE,SURVEYING

An item consisting of a plane table board and a ball and socket tripod. May include such items as level compass. Excludes instruments such as alidades.

TABLE,TRACING,DRAFTING

A table having an illuminated working surface, used in drafting procedures to facilitate the tracing of drawings and the like. The table may have an adjustable top and may include various attachments. Excludes PLOTTING TABLE, PHOTOGRAPHIC FILM and TABLE, LITHOGRAPHIC LAYOUT.

LETTERING SET

A device designed to facilitate the reproduction of lettering characters by means of a pen or pencil attached to a scriber or tracing arm that is guided along the contours of preformed characters in a lettering guide. May include a number of pens and guides as well as other related items. Used for uniform lettering in drafting procedures. Excludes LETTERING SET, REPRODUCTION.

SPLINE AND WEIGHTS SET

An assortment of items consisting of flexible splines capable of being secured in a fixed position by accompanying weights. A spline is a narrow strip of flexible material varying in length and with a longitudinal groove for the attachment of hooked weights at any points along its length. Used to draw irregular curves in drafting procedures.

DRAFTING INSTRUMENT SET

An assortment of items consisting of two or more drafting instruments which differ in some respect. It may include items such as dividers, pens, compasses and the like, and is used in the preparation of drawings and art work.

NEEDLE POINT,DRAFTING INSTRUMENT

HEIGHT FINDER,OBLIQUE PHOTOGRAPH,PHOTOGRAMMETRIC

A device for measuring parallax on oblique overlapping photographs for determination of individual points.

PRINTER,REDUCTION,STEREOPLOTTER

An optical device used to produce reduced scale positive transparencies (diapositives) from aerial camera negatives. It is used with stereoplotting instruments. Excludes PRINTER, PROJECTION, PHOTOGRAPHIC.

PROJECTOR,STEREOPLOTTER

An optical device for the projection of diapositive plates made from aerial camera negatives. Used for stereoscopic viewing to facilitate plotting map information. Excludes PROJECTOR, STILL PICTURE.

COMPARATOR,PHOTOGRAMMETRIC

A precise measuring instrument for measuring rectangular coordinates of points on photographic negative or print. It has a movable stage, or stages, a micrometer system for measuring coordinates, and a microscope for viewing image points. The stage may be graduated for angular measurement.

LINE GUIDE,LETTERING,NONADJUSTABLE

A thin flat piece of plastic, metallic or similar material, perforated by a number of holes and/or slots, so arranged that by the combined use of certain holes and/or slots, guide and slope lines of certain predetermined angles and spacing for use in freehand lettering can be drawn. May include angled edge for drawing slope lines.

BAG,SURVEYOR'S

A flexible, rectangular shaped container with one or more pockets, shoulder strap, and a flap with a fastening device. It is designed for carrying surveying accessories and field books.

TARGET,SURVEYING,BEACON

A multicolored triangular item, usually fabricated of cloth or similar material. Designed for use as a pointing target in angular surveying measurements. It has no facilies for artificial light. Excludes LIGHT, SIGNAL, SURVEYING.

COVER,LEVEL ROD

CASE,LETTERING SET

FRAME AND TABLE ASSEMBLY,STEREOPLOTTER PROJECTION

A collection of items such as a projection frame, stereoplotter table, cooling unit and voltage control. Does not contain all equipment necessary for stereoplotting.

TEMPLATE,LETTERING

An item used to form letters and/or numeral characters or such portions thereof that when combined they will produce the desired complete characters. May include punctuation marks and/or a groove or track for use in conjunction with a lettering scriber.

COMPASS,MAGNETIC,SURVEYOR'S

An instrument which utilizes a magnetic needle or indicator and a graduated dial to determine direction in relation to the magnetic north. The dial is fixed to the case and a sighting device is attached to the case along the North-South axis of the dial. The East and West letters on the dial are reversed from their true position. When facing north, east is shown as being to the left of north. It is designed for surveying purposes. It is not suitable for navigational purposes. Excludes TRANSIT, POCKET.

THEODOLITE,SURVEYING

A precision telescopic instrument used in topographic and geodetic surveying or precise alignment operations. Generally, the optical systems for reading the horizontal and vertical circles are fully inclosed. The reading of the circles is made through optical micrometers. Some optical systems are so designed that readings of diametrically opposite points of the circles are mechanically averaged. The instruments are leveled by three leveling screws. Internal illumination may be provided for reading the circles and viewing the reticle crosslines. Excludes TRANSIT and TRANSIT, POCKET.

TRANSIT

An instrument having two coaxial centers, one inside the other. A telescope is attached to the inner center and mounted in such a manner that it may be rotated in vertical or horizontal arcs. The outer center carries the horizontal scale. The telescope and horizontal circular scale may rotate about the same axis, independent of each other, or integrally, as a single unit. The scales are read visually by means of verniers. The instrument is usually leveled by means of four leveling screws. It is used for measuring horizontal, or horizontal and vertical angles. Excludes TRANSIT, POCKET.

LIGHT,SIGNAL,SURVEYING

A light consisting of a lampholder with reflector mounted in a framework or housing. It is designed for use as an illuminated target in triangulation surveying. Excludes SPOTLIGHT; FLOODLIGHT, ELECTRIC and BATTERY-LAMP.

HANDLE,DRAFTING INSTRUMENT

A cylindrically shaped item designed to be affixed to divider, pen, or pencil parts of compasses to form separate instruments, such as a draftsman's ruling pen, pencil, pricker, and the like.

TENSION HANDLE,STEEL MEASURING TAPE,SURVEYOR'S

SPECTACLES,ANAGLYPHIC,STEREOPLOTTER

An optical device consisting of one red and one blue-green lens set in a spectacle like frame, constructed in such a manner that the frame may be reversed, enabling the wearer to view with the red or blue-green lens to the left or right as desired. Produces a stereoscopic effect of depth and contour when used in analyzing aerial photographs and preparing maps based on such photographs.

VIEWER,STEREOSCOPIC CONTINUOUS STRIP,PHOTOGRAPHIC INTERPRETATION

An item specifically designed for stereoscopically viewing a continuous strip exposure (without frame) aerial photograph. Excludes STEREOSCOPE (as modified) and VIEWER, STEREOSCOPIC ROLL FILM, PHOTOGRAPHIC INTERPRETATION.

VIEWER,STEREOSCOPIC ROLL FILM,PHOTOGRAPHIC INTERPRETATION

An item specifically designed for stereoscopically viewing adjacent overlapping exposures (with frame) of aerial photographs. Excludes STEREOSCOPE (as modified) and VIEWER, STEREOSCOPIC CONTINUOUS STRIP, PHOTOGRAPHIC INTERPRETATION.

STRAIGHTEDGE,RADIAL LINE,SLOTTED TEMPLATE

A plastic or metallic item, having a pivot hole for a slotted template pin, drilled exactly in line with ruling edge portion of item. Used to draw lines on templates, representing rays from the principal point of aerial photographs.

STEREOPLOTTER,PROJECTION

A topographic plotting instrument used to prepare maps by means of the simultaneous projection in complimentary colors of overlapping aerial photographs. Designed for use only with diapositives prepared from negatives taken with an aerial camera. Used in photogrammetric procedures for the orthographic plotting of photography.

SCALE,OBLIQUE PHOTOGRAPH INTERPRETATION

A sheet of plastic or similar material having inscribed upon its surface a perspective type grid for the purpose of determining scale on oblique photographs. Essentially it is a plot of ratio fractions, (RF's) against lineal measurements. Used in photo interpretation procedures.

SURVEYING SET,ARTILLERY FIRE CONTROL

A collection of instruments and equipment, such as protractor, slide rule, measuring tape, and the like. Used in third, fourth, and fifth order surveying for artillery fire control.

CURVE SET,DRAFTING,REGULAR

A group of two or more regular curves used as a guide for drawing arcs or curves, the whole, as well as all portions, must be subject to the same mathematical formula. May include a case and similar items.

CURVE SET,DRAFTING,IRREGULAR

A group of two or more irregular curves, all portions of which are not subject to the same mathematical formula. May include a case and related items.

TABLE,DRAWING

An item consisting of a drawing board having an integral leg structure, either folding or rigid. May have drawer(s). Excludes DRAWING BOARD and DRAWING BOARD AND TRESTLE.

INDICATOR,ELEVATION

A component which presents visually the angle between a fixed reference point and a target in a vertical plane. May include accessories.

INDICATOR,HEIGHT

A component which presents visually the vertical distance between two points. May include accessories.

CURVE,DRAFTING,REGULAR

A thin flat piece of metal, plastic, or similar material having one or more edges used as a guide for drawing arcs or curves, the whole as well as all portions of which must be subject to the same mathematical formula.

INDICATOR,DISTANCE

An indicator for the direct display of the spacing between two or more points or objects, such as aircraft or ships, in scalar values, such as feet, yards, miles, and the like.

STRAIGHTEDGE,PARALLEL RULING,GUIDE CORD

A STRAIGHTEDGE which is specifically designed to be used with a guide cord attachment. It has provisions for the assemblage of pulleys or a bearing clamp on each end of the blade for attachment of a guide cord which permits the straightedge to be moved over the surface of the drawing board. It may include all the necessary fittings for attaching to a drawing board, such as pulleys, bearing clamps, adjusting posts, cord, screws and the like.

CHEST,MAP DISTRIBUTION SET

A chest, used by topographic organizations, which is specifically designed to store tools and supplies for the sorting, packaging and addressing of maps.

POINT,SCRIBING INSTRUMENT

A device designed to be inserted in a scribing instrument for use in scribing on coated plastic, glass sheets and similar materials generally used in the color separation drafting process of Military Cartography. The tip of the point is usually made of corundum or other exceptionally hard material for long wear. Excludes NEEDLE POINT, DRAFTING INSTRUMENT.

TRACING TABLE,STEREOPLOTTER,PROJECTION

DRAWING BOARD,ILLUMINATED,PORTABLE

An inclosed source of light with a ground glass top surface. It is equipped with an electric cord, lamp socket and plug and may include a T-SQUARE and a flexible writing plate. It is portable, capable of being tilted when in use and is designed primarily for tracing and freehand stenciling. Excludes DRAWING BOARD and TABLE, DRAWING.

CHEST,MAP FILING

Excludes FILING CABINET.

CHEST,PHOTOGRAPHIC PAPER ROLLS

NADIRSCOPE,STEREOPLOTTER TRACING TABLE

PLATEN,STEREOPLOTTER TRACING TABLE

PEN,LETTERING,SCRIBER-TEMPLATE

A lettering device consisting of a pen point with a cleaning pin and ink reservoir. It is normally used on a scriber or may have a handle for use with templates or guides to produce lines of uniform width. It may be designed to control the flow of ink.

SKETCHING BOARD

A rectangular device made of wood and equipped with a binding screw plate for attaching to a tripod. Equipped with provisions for holding tracing paper while sketching maps and drawings. Used in connection with surveying and topographic work. Excludes PLANE TABLE BOARD and DRAWING BOARD.

HOUSING,GAGE

LEG,TRIPOD MOUNT

An item which, in conjunction with two similar items, aids in the support of a machine gun, recoilless gun, rifle or the like. It is a component of a MOUNT, TRIPOD (as modified); or a TRIPOD, RIFLE MOUNT; and may be a single or sectional item with an integral or nonintegral foot. Excludes LEG, GUN MOUNT. See also LEG SECTION, TRIPOD MOUNT.

LEG SECTION,TRIPOD MOUNT

An item which in itself is not a complete functioning item. It consists of parts which, together with other similar parts, form a LEG, TRIPOD MOUNT.

REPAIR KIT,STEREOPLOTTER,PROJECTION

An assembly of supplementary multiplex equipment and repair parts for stereoplotter, projector and for replacement of expendable parts of multiplex equipment.

REFLECTOR,GEODIMETER

A device which consists of one or more banks of reflectors, a bank being a number of glass prisms arranged compactly and symmetrically in a frame rotatable throughout 360 degrees in azimuth. It is used to receive and to return a projected light beam to an electronic-optical surveying instrument or geodimeter, in measuring distances and mapping operations. Excludes REFLECTOR, AIMING POST.

SURVEYING INSTRUMENT,AZIMUTH

A gyrocompass surveying instrument, with electronic control package, intended for use in establishing a reference base line from which azimuths to various points may be quickly determined in artillery fire-control and missile-laying surveys.

TAPE SET,PUNCHED PROGRAM

PLOTTER,POLAR COORDINATES

A precision instrument consisting of a graduated circle, a graduated scale bridge and a bridge carriage for the mechanical plotting of polar coordinates. It may be portable for use on a table, or it may be integral with the supporting table. It may include accessories for drafting lines, and for scribing lines. May include an electronic control unit.

PLOTTER,RECTANGULAR COORDINATES

A precision instrument consisting of a movable ordinate member, stationary abscissa member, ordinate carriage unit, and an abscissa carriage unit for the mechanical plotting of rectangular coordinates. It may be portable for use on a table, or it may be integral with the supporting table. It may include accessories for drafting lines, and for scribing lines. May include an electronic control unit.

PROCESSING MACHINE,PHOTOGRAMMETRIC DIAPOSITIVE PLATES

A group of related items which together form a complete developing, washing, and drying machine for the processing of glass diapositive plates to be used with stereophotogrammetric plotting instruments.

TEMPLATE SET,DRAFTING

A group of two or more different drafting templates having cutout portions outlining some definite objects, symbols, or geometrical shape(s).

DIVIDER,EQUAL SPACING

An instrument consisting of two main arms, one of which terminates in a needle point, and secondary arms connecting ten additional needle points. The arms are adjustable to provide ten equal measurements of varying size.

PIN,CLEANING,LETTERING PEN

A pin which controls the ink flow and keeps the orifice hole open in a lettering pen.

SURVEYING INSTRUMENT,ELECTRONIC DISTANCE MEASURING,INFRARED

An electronic instrument utilizing modulated infrared light waves for precise measurements required for surveying, mapping, and artillery operations. It contains instrumentation for direct readout to distances. One instrument and a three (3) prism retroreflector comprise the complete operating assembly. See also SURVEYING INSTRUMENT, ELECTRONIC DISTANCE MEASURING MICROWAVE.

SURVEYING INSTRUMENT,ELECTRONIC DISTANCE MEASURING,MICROWAVE

An electronic instrument utilizing modulated microwaves for precise measurements required for surveying and mapping operations. It contains instrumentation, the read-outs which are quickly converted to distances. Two or more units comprise the complete operating assembly, but are in themselves not complete functioning items. The units may be master, remote, or dual purpose. Excludes radar sets. See also SURVEYING INSTRUMENT, ELECTRONIC DISTANCE MEASURING, INFRARED.

SURVEYING SET,ELECTRONIC DISTANCE MEASURING,MICRO

An operating system used in making topographic surveys by precise measuring of distances by means of modulated microwaves. It must include two (2) or more SURVEYING INSTRUMENT, ELECTRONIC DISTANCE MEASURING, MICROWAVE units and may include equipment such as an electrotape unit with antenna and power supply, head set, battery cable, tripod, aneroid barometer, psychrometer, spare parts kits, and carrying case. Excludes radar sets.

SHOP EQUIPMENT,CARTOGRAPHIC INSTRUMENT

FOUNTAIN PEN,TECHNICAL

An instrument for drafting lines of precise width. A fine wire inside a hollow point (tubular stylus) prevents clogging when used with INK, DRAWING. A built-in self-filling ink reservoir or a refillable ink reservoir (cartridge) feeds ink through the point section. See also FOUNTAIN PEN AND PEN POINT.

FOUNTAIN PEN SET,TECHNICAL

A set of one or more pens with three or more drawing point sections.

POINT SECTION,FOUNTAIN PEN,TECHNICAL

An item consisting of an externally threaded body with a built-in point tube, a safety plug, and a weighted cleansing wire. The threaded body joins the point housing section and is normally used as a replacement in the FOUNTAIN PEN, TECHNICAL.

CASE,SURVEYING INSTRUMENT

A portable case designed to hold one or more SURVEYING INSTRUMENTS, (as modified). It may include clamps, spring clips, brackets, or the like, to secure the instrument, accessories and/or components. It may include padding to protect the instrument against shock and vibration.

TOOLING SET,SCALE,RANGE-TIME-SPEED PLOTTING

TOOLING SET,DRAFTING TEMPLATE,SCRIBING MAP SYMBOLS

TOOLING SET,ONE ARM PROTRACTOR,SEMI-CIRCLE

TOPOGRAPHIC SUPPORT SET

A number of components and/or major items not having the same basic name, which are required for the performance of a certain operational function. May exclude certain operating components supplied separately or already present at the point of usage.

COVER,DRAWING-SKETCHING BOARD

MAGAZINE,PENS,PLOTTER

A item which supports two or more felt or plain pens of different characteristics. The pens are kept in postion by mechanical or magnetic means. It provides for the automatic supply of the writing head of a PLOTTER (as modified).

DIGITAL TOPOGRAPHIC SUPPORT SYSTEM

A collection of items, such as PLOTTER (as modified); WORK STATION, COMPUTER GRAPHICS; and the like that will provide automated terrain analysis utilizing digitized maps and tactical information. Provides quick and accurate tactical products such as map overlays or digitized information in the support of battle to various command and control, manuever, weapons, and guidance systems. Excludes TOPOGRAPHIC SUPPORT SET and SUPPLEMENTARY EQUIPMENT, TOPOGRAPHIC PHOTOMAPPING. See also REPRODUCTION SET (as modified).

COMPUTER,DATA TRANSFER SURVEYING

A hand held programmable device used in the field to store and transport surveying information from a ground or satellite system to a computer and/or a computer assisted design system.

CALIBRATION SET,OPTICAL SURVEYING INSTRUMENT

A collection of items used in the calibration and testing, but not limited to of theodolites, transits, alidades, clinometers, collimators, and level surveying.

AUTOGRAPHIC INSTRUMENT,PHOTOGRAMMETRIC PLOTTING

A precision instrument for the stereoscopic plotting of aerial and terrestrial pairs of photographs for the completion of maps on all scales according to the mechanical plotting principle.

BUSHING,STEREOPLOTTER TRACING TABLE LAMP

CUTTER,PHOTOGRAMMETRIC SLOTTED TEMPLET

LENS AND RETAINER RING,STEREOMETER

PRESSURE PLATE,LOWER,MULTIPLEX REDUCTION PRINTER

SUPPORT,COLLIMATOR,VERTICAL SURVEYING

SCALE,AREA

A thin, flat, rectangular shaped, transparent strip of plastic or other material with one or more edges graduated in units applicable for measuring distance. It is graduated in units for measuring land and for estimating acreage. It may or may not have clips for pocket carrying. Excludes SCALE, PLOTTING; SCALE, DRAFTING and RULE (as modified).

DESK-TABLE,DRAWING,L-UNIT

An item designed to be used by professional draftsmen and artists, providing a flat desk surface and storage drawers, and an attachable extension table unit, equipped with an adjustable drawing board. Excludes DESK, L-UNIT; and DESK ATTACHMENT, L-UNIT.

SURVEYING SYSTEM,TRUCK MOUNTED

Mobile system providing a combination of surveying and navigation equipment suitable for field artillery regiment or field artillery battalion surveying operations. System consists of a variety of surveying and navigation equipment mounted on a one and one-quarter ton utility truck for operational mobilitiy. System should include but not be limited to, on-board satellite signals and inertial navigation capability, self-contained position and azimuth determining survey system, miscellaneous surveying tools and supplies, various electronic and surveying instruments including theodolites. May also include vehicle mounted voice radio communication equipment.

TRIBRACH

A survey accessory used for leveling that attaches to a tripod. Additional survey instruments or accessories are placed on it and secured with a locking mechanism. It has leveling screws so the whole assembly (survey instrument or prism base) can be leveled correctly. It may also include an optical or laser plummet that allows the assembly to be centered over a survey control point on the ground, and a circular level vial that allows for rough leveling.

INSTRUMENT SET,RECONNAISSANCE AND SURVEYING

A collection of items used to perform reconnaissance and land survey functions. It typically includes a range finder, global positioning system reader and software applications for use by surveyors. It may also include a personal computer, printer, scanner and other related peripheral devices.

RECEIVER,LASER

An item designed to receive coherent electromagnetic wave in visible or infrared zones. Accessories may be included.

LEVEL,LASER

A laser transmitter used in topopraphic and geodetic surveying or precise alignment operations. It is designed to make horitontal and/or vertical leveling in single or dual grade. It may possess a scanner, remote control, radio and other accessories such as a tripod and the like. It may be combined with a RECEIVER, LASER. Exclude: METER, RANGE LASER.

POINT,LEG,SURVEYING TRIPOD

An item designed for attachment to the bottom end of a leg of a TRIPOD, SURVEYING. It holds the tripod in place on the ground.

SURVEYING SET,SATELLITE SIGNALS

This is a collection of items, such as a Global Positioning System (GPS) receiver, a Real Time Kinematic (RTK) radio, a survey controller, an ANTENNA, aPOWER SUPPLY and the like. This set employs satellite signals from a GPS satellite constellation to gather precise positioning information of a terrestrial location, to include longitude, latitude and elevation.

METER,RANGE,ULTRASONIC

An electronic instrument designed to measure distances and/or calculate areas, volumes and the like, by means of ultrasonic waves. See also: METER,RANGE,LASER.

FLAG,MARKING

A flexible material of a specified color that may or may not be furnished on a stake.

HYDROMETER,GRADUATED SCALE

A hydrometer with a graduated scale on stem calibrated to read specific gravity, percentage of content(s), or the like. See also TESTER, ANTIFREEZE SOLUTIONS and TESTER, BATTERY ELECTROLYTE SOLUTION.

TESTER,BATTERY ELECTROLYTE SOLUTION

An item consisting of a syringe and hydrometer designed to determine the specific gravity of storage battery electrolyte solution. It may be equipped with a thermometer and correction scale.

TESTER,ANTIFREEZE SOLUTIONS

An item consisting of a syringe and hydrometer designed to determine the freezing temperature of antifreeze solutions commonly used in liquid cooled engines and the like. It may be equipped with a thermometer, conversion table(s), and/or cooling system capacity chart(s).

COLORIMETER,PHOTOELECTRIC

A colorimeter which utilizes a photoelectric cell and an indicating galvanometer for the quantitative determination of any constituents of any liquid where the color and the constituents vary in a definite ratio.

COMPARATOR,VISCOSITY,OIL

An instrument that indicates by direct reading the viscosity of a sample of oil in Saybolt Seconds. The unit operates by a comparison factor with a sealed-in oil of known viscosity.

CYLINDER,HYDROMETER JAR

A cylindrical vessel, with an integral thermometer or thermometer slide, designed to contain a solution of which the specific gravity or A P I gravity is to be determined by means of a HYDROMETER, GRADUATED SCALE. If without thermometer slide, see CYLINDER, UNGRADUATED, LABORATORY.

CHROMOMETER,REFINED OILS,SAYBOLT

An instrument or apparatus for determining the color shades of refined oils, such as napthas and kerosenes, by comparison with a standard color.

ANALYZER,ELECTROLYTIC SOLUTION

An instrument primarily designed for the quantitative determination of metallic elements in solution by electrolysis.

TESTER,SUBMARINE BATTERY VENTILATION,HYDROGEN SAMPLING

An instrument designed to indicate the degree of hydrogen contamination of atmospheric air in a battery compartment by the thermal conductivity method of continuous quantitative analysis.

HEMOGLOBINOMETER

TUBE,MELTING POINT DETERMINATION

TUBE,MEASURING,HEMOGLOBINOMETER

A graduated vessel specifically designed to contain a blood specimen during colorimetric analysis for hemoglobin content.

CHAMBER,COUNTING,BLOOD CELLS

URINOMETER

Excludes HYDROMETER (as modified).

HEMACYTOMETER SET

TEST SET,ASPHALT

A collection of equipment used to supplement basic soil testing equipment, enabling asphalt to be tested.

TEST SET,CONCRETE

A collection of equipment used to supplement basic soil testing equipment, enabling concrete to be tested.

TEST SET,SOIL

A collection of equipment necessary for the testing of soil in the construction of roads, airport runways, and the like.

BLOOD TESTING KIT,CARBON MONOXIDE

PARTS KIT,CARBON MONOXIDE BLOOD TESTING KIT

REAGENT SET,CARBON MONOXIDE BLOOD TESTING KIT

TEST KIT,OIL CONDITION

A collection of items designed for estimating fuel dilution, reaction, and solids content of oil.

TESTING KIT,IMPREGNITE IN CLOTHING

TESTING KIT,WATER SALINITY

A group of items consisting of glass measuring bottles and vials containing chemicals used to determine the salt content of distilled water.

WATER QUALITY CONTROL SET

A collection of items, including chemicals, bottles, and equipment such as turbidimeter(s), for determining the quality of water for potability purposes.

TESTER,GASOLINE GUM CONTENT

A device which involves the use of air at a specified rate through preheating coils immersed in a boiling liquid bath and impinged against the surface of a gasoline sample causing its evaporation. The residue is expressed in milligrams of gum deposition per 100 milliliters of gasoline.

CALORIMETER

An instrument used to measure the change in heat content of a system accompanying a chemical or physical change.

BULB,LEVELING,GAS ANALYSIS APPARATUS

CASE,CHLORINE AND HYDROGEN ION COMPARATOR

METER,SALINITY INDICATING,ELECTRIC

An electrically operated instrument which indicates the sea salt content of fresh water systems and is usually calibrated in grains per gallon. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

COLORIMETER,COMPARATIVE

Excludes COLORIMETER, PHOTOELECTRIC.

FILTER,MOUNTED,COMPARATIVE COLORIMETER

CUP,COMPARATIVE COLORIMETER

PLUNGER AND CUP SET,COMPARATIVE COLORIMETER

PLUNGER,COMPARATIVE COLORIMETER

CHEST,CONCRETE TEST SET

CHEST,SOIL TEST SET

ANALYTICAL KIT,ELECTROPLATING

A collection of various chemicals used for measurement and control of electroplating.

ALBUMINOMETER

A graduated tube designed for determination of albumin in urine. It may include a stand.

HOLDER,BLOOD COLLECTING TUBE

OSMOSCOPE

A testing device for the detection and measurement of odor intensity by comparing the concentration of similar liquids.

TESTER,SOIL DENSITY,SAND METHOD

A device consisting of a wide mouth screw cap jar and a detachable appliance consisting of a valve having the small end of a standard pycnometer top brazed to one opening and the small end of a cone fixed in a like manner to the other opening. A stop is set at one end of the valve to control the opening and closing of the bore.

MEASURE,AGGREGATE TEST

A metal cylindrical shaped item used to measure and contain aggregate during the test to determine unit weight.

PAN,SOIL TESTING

COMPARATOR,METAL

An instrument for comparing the differences in chemical compositions of two metals or metal alloys by bringing the two together at a point and raising or lowering the temperature at the point of contact so that a thermal electromotive force is set up when two metals are dissimilar. The magnitude of the thermal electromotive force will indicate the degree of dissimilarity.

VISCOSIMETER,WEIGHT BALANCE

A device to determine the viscosity of various materials by measuring the speed attained by a cylinder or other rotor immersed in the material under the influence of a constant weight.

TESTING MACHINE,SOIL LIQUID LIMIT

A mechanical device consisting of a cup mounted on a hinged bracket in such a manner that the cup is raised and dropped through a specific distance upon a hard base by means of a cam mechanism. It is used for determining the liquid limit of soil or the moisture content at which soil will flow when jarred in accordance with established soil testing methods.

DIGESTION APPARATUS,NITROGEN DETERMINATION

BALANCE,SPECIFIC GRAVITY DETERMINATION

A device whose sole function is to determine specific gravity by determining the apparent loss of weight of an immersed object.

TEST BATH,CLOUD AND POUR POINT

An apparatus designed for determining the cloud and pour point temperatures of petroleum oils.

TESTER,LUBRICANT FRICTION

A machine designed to provide a means for measuring the load-carrying capacity, abrasive properties, and other charactertistics of lubricants.

VAPOR PRESSURE BOMB,IMMERSION

A device designed for determining by immersion sampling, accurate vapor pressure of natural gasolines, benzol blends and other liquids.

TEST BATH,VISCOSIMETER,OIL

A heating device designed to accommodate viscosimeters used in tests to determine relative viscosities.

MELTING POINT APPARATUS,ELECTRIC

An item designed for the determination of the temperature at which substances liquify or decompose. Heat is supplied by an electrical element and conducted to the vicinity of the sample by means of an air, water or oil bath, a solid conductor or a combination of these methods.

TENSIOMETER,LIQUID,TORSION METHOD

An instrument designed to determine the surface tension against air and liquid, may also determine interfacial tension between two liquid phases, by measuring the force required to rupture the film of the liquid confined in a vessel, against the torque applied to a ring attached by means of torsion wires to torsion head.

TESTER,FLASH POINT

DISTILLATION TEST APPARATUS,PETROLEUM

A group of assembled items used in determining the percentage of distillate and evaporation range of gasoline, kerosene, naphtha and similar products.

INDICATOR SET,HYDROGEN ION COMPARATOR

REAGENT SET,HYDROGEN ION COMPARATOR

A collection of reagents in the form of crystals, tablets, capsules, or similar forms, in special size bottles, intended to be dissolved and diluted to form various solutions to be used with a hydrogen ion concentration comparator.

TEST SET,WATER TURBIDITY AND COLOR

CELL,COLORIMETER

A square, rectangular or cylindrical, colorless glass or plastic container with or without cover. It is used to view solutions with a colorimeter either vertically or horizontally and is calibrated for a specific viewing depth. The square or rectangular cells may or may not have provision for a reduction plate to adjust the effective viewing depth.

COMPACTION CYLINDER,SOIL

A metallic device for compacting soil and soil-cement specimens for tests, such as moisture-density and durability tests. It consists of a cylindrical mold in which the specimens are compacted, a detachable collar, or extension, and a detachable base to which the mold and collar assembly is fastened. The mold bore may be either straight or tapered and the mold wall either solid (continuous) or split, the taper bore and the split wall facilitating the removal of the specimen. Internal dimensions are machined to close tolerances to insure volumetric accuracy.

BULB,BLOOD SAMPLE CAPILLARY TUBE

VIEW BOX,RH BLOOD TYPING

A small tilting box, with a window, providing optimum light and temperature for slide method Rh testing.

PHOTOMETER,FLAME

A device for determining quantitatively the presence of certain elements in solution by spraying the solution into a flame. The light emitted by the incandescent element is measured by means of a monochromator and a photometer. The output of the photometer may be amplified and fed to an internal or external reading and/or recording device.

CASE,GRADUATED SCALE HYDROMETER

A case specifically designed to hold one or more HYDROMETER, GRADUATED SCALE.

RACK,BLOOD SAMPLE CAPILLARY TUBE

An item with a full length trough for holding TUBE, CAPILLARY, BLOOD SAMPLE. The trough, when filled with a suitable material, plugs and holds the tubes.

TEST CHEMICALS PACKET,WATER SULFITE CONTENT

A group of chemicals for use in the preparation of a test solution for the determination of sulfite content in water. See also TESTING KIT, WATER SALINITY.

TIMER,BLOOD AND PLASMA COAGULATION

An electromechanical instrument for measuring prothrombin and whole blood clotting time.

ANALYZER,TRACE HYDROCARBONS

An instrument specifically designed to detect and measure minute quantities of organic carbon compounds present in fluids, soils, and the like.

BULB,ABSORPTION,GAS ANALYSIS APPARATUS

An item of laboratory glassware designed specifically for the absorption of gases, usually carbon dioxide, as in carbon determinations in steel analysis and the like studies. Excludes BULB LEVELING, GAS ANALYSIS APPARATUS.

DISK,COLOR STANDARDS

A series of transparent glass color standards mounted in a disk or turret and identified by numerical markings. The standards may indicate hydrogen ion concentration (pH values), residual chlorine concentration, certain toxic substances, and other solutions. Similarly, the standards may be used in the grading of petroleum products as prescribed in various test methods.

COMPARATOR,COLOR

An instrument used to determine hydrogen ion concentration, residual chlorine content, phosphate content and/or other characteristics of water by visually comparing a sample, to which a specified quantity of an appropriate indicator solution has been added, with a color standard. The color standards used for these tests are mounted in a suitable holder and graded to represent the indicator colors for various pH values, concentration of chlorine, phosphate, or other substance.

TESTING KIT,PETROLEUM

An assembly of hydrometers, thermometers, beakers, graduated and ungraduated cylinders, viscosimeters, flash point test apparatus, grease penetrometers, sampling device, and related laboratory equipment for the determination of certain designated chemical and physical properties of petroleum products, such as gasoline, diesel fuel, kerosene, lubricating oils, and grease. See also SAMPLING AND GAGING KIT, PETROLEUM.

COLUMN PACKING,GAS CHROMATOGRAPH

A material specifically prepared for filling the column(s) of a gas chromatograph. It may consist of one or more chromatographic partition liquids adsorbed in specified amounts on an inert chromatographic support.

VISCOSIMETER,CUP TYPE

An instrument that indicates viscosity of liquids by measuring the time a specific quantity of the liquid takes to flow through an orifice in the bottom of a cup-shaped container. The time to flow through the orifice can be converted to any of the standard units of viscosity by use of appropriate tables and/or graphs.

ANALYZER,OXYGEN

An item used for the detection and measurement of the oxygen content in air or other gases.

WATER SAMPLING KIT,BACTERIOLOGICAL

A group of items designed for collecting and processing water samples in order to determine the presence of bacteria.

REDUCER,GAS ANALYZER PIPET

An item used with a gas analyzing pipet for maintaining the balanced condition of a gas absorbing solution by preventing oxidation of the solution.

VAPOR PRESSURE APPARATUS

An item consisting of a constant temperature bath, vapor pressure bomb(s), gage(s), and thermometer(s) used for determining vapor pressure of petroleum products and other liquids.

METER,TITRATION,CHLORIDE

An item used to automatically determine chloride ion concentration in serum, urine, tissue extract, dialyzates, and other biological fluids.

TITRATOR

An item used to automatically determine the chemical concentration of the substance by titrating.

CUP,TITRATOR

A cup specifically designed to contain a specimen for titration.

APPLICATOR,HEMOLYSIS

An item impregnated with a hemolyzing agent at its tapered end. It is used to apply a hemolyzing agent to blood samples for hemoglobin determination with hemoglobinometers utilizing light in the visible green spectrum.

PIPET-DILUENT,BLOOD,LABORATORY

A pipet with holder, and reservoir with diluent, used for pipeting, and diluting blood for the purpose of making white cell and platelet counts, or the like.

PARTS KIT,OXYGEN ANALYZER

A kit consisting of replacement rubber seals, gaskets, diaphragms, fluids, or other small parts used to revitalize or overhaul an oxygen analyzer of specific type.

FILTER,FLUID

A filter having inlet and outlet connections and designed to be connected in a pipe, tube or hose line. For spin-on, base-mounted filtering devices with integral outer casings, see FILTER ELEMENT, FLUID. Excludes AIR CONDITIONER.

FILTER ELEMENT,FLUID

A replaceable device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous material (metallic or non-metallic), stacked disks, wound wire, or the like, constructed so the fluid can flow through the device while the solid particles are retained. It may be designed to fit into a FILTER, FLUID (or similar cavity), or it may have an integral outer casing and mounting facilities and be designed to connect directly to an engine, compressor, or the like. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. Excludes FILTER ELEMENT, AIR CONDITIONING. See also STRAINER ELEMENT, SEDIMENT.

WATER QUALITY ANALYSIS SET

A collection of chemical reagents and chemical analysis equipment used for on-site water analysis to determine quality of raw water source for treatment; to determine type of water treatment process required; for establishing and maintaining optimum operating conditions of treatment; and to determine suitability of wastewater effluents for discharge to the environment. Excludes WATER QUALITY CONTROL SET.

BURET,LABORATORY

A graduated tube, with a flow regulator, for delivering and/or regulating measured quantities of liquids or for measuring the liquids or gases received or discharged.

BUFFER SOLUTION,STANDARD

A compound, formulated to a specific pH value that tends to resist change in pH when moderate amounts of either a base or acid are added, or on dilution with a solvent.

SPECIMEN KIT,URINE

An item designed for use in monitoring and measuring the contents of a patient's output.

KEYBOARD,DATA ENTRY

A device for data input by key depression which causes the generation of the selected character, numeral or the like.

DETERGENT SOLUTION,BLOOD CELL COUNTER-ANALYZER

A special purpose cleaner designed to remove all traces of a human blood sample from an automated blood cell counter-analyzer prior to initiation of another cell count. It is azide free, with neutral pH, NONHEMOLYTIC PROPERTIES. Excludes CLEANING COMPOUND (as modified); DETERGENT (as modified).

RINSE SOLUTION,BLOOD GAS ANALYZER

CAP,MICRO SAMPLE CUP

An item designed for permanent installation during system operation to fit over a CUP, MICRO SAMPLE, AUTOMATED ANALYSIS. It can be nonpierceable or pierceable to permit penetration by a pipet tip at sample aspiration.

FILTER KIT,BLOOD GAS ANALYZER

FLUSH TUBE ASSEMBLY,BLOOD GAS ANALYZER

TUBING ASSEMBLY,MICRO-SAMPLE PUMP,BLOOD GAS ANALYZER

TUBING KIT,BLOOD GAS ANALYZER

VACUUM TUBE KIT,BLOOD GAS ANALYZER

ANALYZER,BLOOD GAS

An instrument designed for determination of the carbon dioxide combining power, oxygen, carbon monoxide and nitrogen of whole blood or blood plasma. May also be used for micro determinations of gas other than blood gases, developed from solutions, such as organic nitrogen and carbon, urea, amino nitrogen, iodates, sulphates, sugar, calcium lactic acid, potassium, and analysis of gas mixtures.

CUP,SAMPLE,AUTOMATED ANALYSIS

A vessel made of clear plastic with uniform wall thickness used in handling of samples for analysis on automated clinical chemistry analyzer assembly. May be of conical or flat bottom design. May be graduated. Excludes BEAKER, LABORATORY; CUP, MICRO SAMPLE, AUTOMATED ANALYSIS; and GRADUATE, LIQUID, LABORATORY.

ANALYZER,BLOOD GLUCOSE

An item designed for determination of glucose levels in blood samples.

PRINTER,DIGITAL,SODIUM-POTASSIUM

An instrument designed for connecting output of the ANALYZER, SODIUM-POTASSIUM.

ANALYZER,SODIUM-POTASSIUM

An automated computer controlled instrument employing ion-selective electrode for measuring sodium and potassium in whole blood, serum, plasma, and urine.

DILUTION KIT,BLOOD CHEMISTRY ANALYZER

ANALYZER,ALCOHOL

A device used in evaluating the blood alcohol level of persons under the influence of intoxicating beverages.

FILLING SOLUTION,ELECTRODE

A specific chemical in liquid form which activates and maintains the electrode and analyzers.

CARTRIDGE EXTRACTION ASSEMBLY,SAMPLE PROCESSOR

MEMBRANE KIT,BLOOD GAS ANALYZER

TUBING KIT,CLINICAL ANALYZER

TRAY,DILUENT-REAGENT,CLINICAL CHEMISTRY ANALYZER

HOUSING,ELECTRODE

A selectively permeable item that separates the blood from the electrode and the electrolyte. It may include a membrane and/or o-rings.

MOUTHPIECE,ALCOHOL ANALYZER

MEMBRANE,DIALYZER,CLINICAL CHEMISTRY

WASH SOLUTION,CLINICAL CHEMISTRY ANALYZER

A preparation used to remove dust and other matter. It may contain a disinfectant and may be used between test samples.

WASH SOLUTION,ELECTRODE

CUVETTE,MULTI-SAMPLE

A compartmented item designed for use in analyzing specimens through light illumination. Excludes CUVETTE, BLOOD COAGULATION.

ELECTRODE,PARTIAL CARBON DIOXIDE

ELECTRODE,REFERENCE

ELECTRODE,PARTIAL OXYGEN

ELECTRODE,CHLORIDE

ELECTRODE,SODIUM

ELECTRODE,POTASSIUM

EXAMINATION EQUIPMENT SET,SEWAGE PURIFICATION PLANT

A group of standard items used in examining sewage. It consists of a laboratory beaker, alcohol burner, liquid graduates, pipets, test tubes, labels, brushes, and the like.

FILTER,COLOR COMPARATOR

An item used with a COMPARATOR, COLOR in order to determine various characteristics of water by visually comparing.

WATER TESTING KIT,SULFATE DETERMINATION

A collection of items used to determine the concentration of sulfate contents in water.

DETECTOR,AIR,ELECTROLYTE ANALYZER

ANALYZER,CARBON DIOXIDE

A micro apparatus for quantitative determinations of carbon dioxide content in serum.

ANALYZER,SODIUM-POTASSIUM-CHLORIDE

An automatated computer or microprocessor controlled instrument employing an ion-selective electrode (ISE) for measuring sodium, potassium and chloride in serum, plasma, whole blood or urine, capable of being interfaced or built-in with a printer. May be self calibrated.

MEMBRANE BLOCK ASSEMBLY,BLOOD GAS ANALYZER

Excludes MEMBRANE KIT, BLOOD GAS ANALYZER

ADAPTER,OXYGEN ANALYZER

An item designed for connecting sample vessels to probe housing and facilitate a readout on the analyzer. May be a flow through type for calibration.

REPAIR KIT,WATER PUMP,BLOOD GAS ANALYZER

ANALYZER MODULE,CLINICAL CHEMISTRY

A unit which interfaces with the automated analyzer. Used to provide additional test results to aid diagonsis.

ADAPTER,SYRINGE TO ANALYZER

A small item designed to be inserted into the inlet port of an analyzer. For use in aspirating samples directly from the syringe into the analyzer. Excludes ADAPTER, CAPILLARY TO ANALYZER and ADAPTER, CAPILLARY TUBE TO ANALYZER.

ADAPTER,CAPILLARY TUBE TO ANALYZER

INC 41997 REINSTATED ON 120513~Canceled Not Replaced

ANALYZER,CLINICAL CHEMISTRY

A microprocessor based instrument incorporating more than one method of analysis such as colorimetric and potentiometric/ION selective or kinetic enzyme. It may be either a stand-alone unit or modular in design. For instruments which have only one method of analysis see ANALYZER, as modified. Excludes all instruments which employ a chromatographic method of analysis.

CUP,SAMPLE,COAGULATION TIMER

A disposable plastic vessel designed to transfer heat uniformly and maintain liquid level control of plasma and reagents to ensure consistent test results. May have extended tap for identification.

MEASURING TUBE,GAS ANALYZER

ADAPTER,BLOOD GAS ANALYZER

A device designed to adapt a capillary blood gas sample to the analyzer, so the capillary sample can be introduced.

TUBING,PERISTALTIC PUMP,CLINICAL CHEMISTRY ANALYZER

A cylindrical item which fits over the mainfold of the peristaltic pump of a clinical chemistry analyzer or is used for special purpose applications. It transfers volume from one unit to another. May measure flow-rate of fluid. Excludes TUBING, BLOOD GAS ANALYZER; TUBING, CLINICAL CHEMISTRY ANALYZER; TUBING, DILUTING MACHINE.

TUBING,BLOOD GAS ANALYZER

A cylindrical item which transmits fluids to the BLOOD GAS ANALYZER. It may calibrate the analyzer. Excludes TUBING, CLINICAL CHEMISTRY ANALYZER; TUBING, DILUTING MACHINE; TUBING, PERISTALTIC PUMP, CLINICAL CHEMISTRY ANALYZER.

TUBING,CLINICAL CHEMISTRY ANALYZER

A cylindrical item of various shapes and lengths. Used on specific clinical analyzers. Excludes TUBING, BLOOD GAS ANALYZER; TUBING, DILUTING MACHINE; TUBING, PERISTALTIC PUMP, CLINICAL CHEMISTRY ANALYZER.

TEST SET SUBASSEMBLY,CHEMICAL ANALYSIS EQUIPMENT

METER,PH

An electrical instrument embodying a potentiometer circuit with suitable electrodes to determine the effective acidity or alkalinity of a solution in the measuring of hydrogen ions concentration.

TUBING,TRANSFER,BLOOD SAMPLE TO ANALYZER

A small round open ended flexible capillary tube designed to bring samples from a variety of collection devices to the instrument.

ELECTRODE,PH

An item designed to be used with a pH meter or a variety of analyzers to determine hydrogen ion concentrations or oxidation reduction potentials of a solution.

TEST PACK,FLUID METERING AND PHOTOMETRIC MEASURING SYSTEMS

ELECTRODE,TOTAL CARBON DIOXIDE

RETAINER KIT,ELECTRODE,BLOOD GAS ANALYZER

Items needed to secure electrodes in electrode chamber with proper tension.

SEAL KIT,BLOOD GAS ANALYZER,CAPILLARY PORT

Items needed to seal capillary port to afford aspiration of blood sample for capillary tube.

GASKET,REAGENT BOTTLE,BLOOD GAS ANALYZER

An item specifically designed to secure caps on blood reagent bottles.

ELECTRODE,PARTIAL OXYGEN AND MEMBRANE KIT

REFERENCE ELECTRODE KIT

A group of replacement support components needed for maintenance of reference electrodes, such as electrode, electrode shell, cap and cable assembly, membrane kit and donut kit.

ANALYZER,GAS

A device used to qualitatively and quantitatively analyze gases and mixtures.

WATER SAMPLING TEST REAGENT,DISSOLVED OXYGEN

WATER SAMPLING TEST REAGENT,PHENOLS

BLOOD COLLECTING UNIT

An item consisting of a venipuncture needle, a rubber-stoppered puncture needle, and vinyl tubing. It is used with BLOOD COLLECTING-CULTURE BOTTLE or BLOOD COLLECTING CULTURE-TUBE.

WATER SAMPLING TEST KIT,ALKALINITY

WATER SAMPLING TEST KIT,CALCIUM CARBONATE

WATER SAMPLING TEST KIT,CALCIUM AND CALCIUM CARBONATE

WATER SAMPLING TEST KIT,CHLORIDE

WATER SAMPLING TEST KIT,IRON

WATER SAMPLING TEST KIT,PH

METER,OXYGEN CONCENTRATION

An item designed to determine the oxygen concentration in liquids.

TEST SET,EXHAUST GAS ANALYSIS

A collection of items designed for use in measuring the exhaust gas rates of incinerators, furnaces and the like. For gasoline engines see ANALYSER, GASOLINE ENGINE EXHAUST.

VISCOMETER,TUBE TYPE

A device to determine the viscosity of liquids by measuring the rate of flow of a fixed quantity of a sample through a glass capillary at a measured temperature.

CELL,SALINITY DETECTOR

A sensor designed to detect the salt content of water by means of electrodes. The item has a threaded fitting for direct pipe connection. It is electrically connected to a PANEL, SALINITY MONITORING SYSTEM, SHIPBOARD that may activate a dump valve to discharge poor quality water. For cells without a valve see CELL, AND VALVE ASSEMBLY, SALINITY DETECTOR.

CONDITIONER,SODIUM ELECTRODE

An item used for cleaning and conditioning electrode parts.

ELECTRODE,LITHIUM

An item used with the automatic microprocessor controlled analyzer for reading and measuring lithium.

METER KIT,PH

A collection of items used as an electrical instrument embodying a potentiometer circuit with suitable electrodes to determine the effective acidity or alkalinity of a solution in the measuring of hydrogen ions concentration. May include PH meter, electrode with cable, hard vinyl carrying case, neckstrap for hands free operation, buffer capsules with containers, and the like. Excludes METER, PH.

MANIFOLD,HYDROSOL

An item used to provide support for the simultaneous filtration of up to 6 test samples. It connects to a single vacuum source which allow an individual station to be equipped with a seperate control valve for independent operation. It may have three way valve control with a female luer locking vent port for attachment to a filter holder or a filter unit.

TEST STRIPS,WATER QUALITY

An item used to conduct chemical tests on site. It may have color chart included on the bottle label.

FLASK,SAYBOLT VISCOSITY TEST

BURNER,FLAME PHOTOMETER

An item designed to prepare a substance in solution for combustion by the vaporization process in the combustion chamber of a flame photometer.

CHROMATOGRAPH,GAS

A device for the chromatographic separation of liquid and/or gaseous mixtures into pure components and for quantitatively estimating the proportion of each component in the original mixture.

TESTER,WATER

An instrument with a microprocessor, designed to determine the quality of water.

SENSOR,OXYGEN ANALYZER,NON-MEDICAL

An item which is connected to an ANALYZER, OXYGEN to measure the oxygen level of ambient air or other oxygen gas mixture in various places. It may have an electrical cable assembly. Excludes SENSOR, OXYGEN ANALYZER

LUMINOMETER

An apparatus designed to analyze, detect and/or measure the emission of light that does not derive from temperature of the emitting body. It allows to control sanitation of surfaces, detect pesticides or micro-organisms in water, fuel or food, measure somatic cell levels in raw milk, and the like. Excludes SPECTROMETER (as modified).

AUTO SAMPLER,PARTICLE COUNTER

A device that degasses and supplies a fixed amount of fluid for a COUNTER, PARTICLE to test.

TESTER,DEMULSIBILITY

An apparatus having a microprocessor, designed to measure the ability of oils or synthetic fluids to separate from water.

FREEZING POINT ANALYSER,FUEL

a device designed to detect all types of crystallization in all types of fuels. it determines precisely the freezing point temperature by fuel cooling when the crystals are formed and by crystals dissolution during fuels reheating.

BURET ASSEMBLY,LABORATORY

Two or more BURET,LABORATORY mounted on a support frame.

ANALYZER,C-REACTIVE PROTEIN

An instrument designed to provide results on c-reactive protein (CRP) tests. Does not include reagents, controls, analytes or test kits for testing.

DETECTOR,RADIAC

A device consisting of a permanent or replaceable element which is sensitive to radioactivity or free nuclear particles, together with its associated circuits and housing. As a result of the incident ionizing radiation, it produces an electron pulse or current flow that can be interpeted by other components. Does not include meters or indicators. Excludes PROBE, RADIAC.

BOOM,MINE DETECTOR

A projecting spar or outrigger-like structure which is used to suspend, position and/or support the detecting coils of a mine detector. May be adjustable.

CHARGER,RADIAC DETECTOR

A portable device that provides an electrostatic charge for a radiacmeter (dosimeter) or detector. May include means for reading (without interpolation) the amount of X and gamma radiation of exposed pocket type radiac detectors.

PROBE,RADIAC

An item designed to house and position a Geiger-Mueller or neutron ray counter type ELECTRON, TUBE. It may include a preamplifier(s) and associated cable(s).

CALIBRATOR,RADIAC

An item containing a standardized or assayed source of radioactive nuclide (material), with half-life indicated. The radiac equipment is calibrated by adjusting the instrument to give proper indication when the instrument is positioned in a previously determined standard reproducible manner with respect to the source and enviroment. Includes radioactive tracers. May include a holder and mounting facilities.

CALIBRATOR SET,RADIAC

A fixed number of components and/or items, not all having the same basic name, which are required for determination, by comparison, of the radioactivity detecting and measuring accuracy of radiac equipment, such as RADIAC SET. May or may not include comparison of computing accuracy.

INDICATOR,RADIAC

An item designed to display radioactivity detection and/or indentification data.

RADIACMETER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a radiacmeter, but, which in itself is not a complete functioning item and cannot be assigned a more definite item name.

COVER,RADIAC PROBE

SHIELD,RADIAC DETECTOR

An item specifically designed to be placed around or to cover the chamber of a radiac detector for the purpose of shielding against electrical interference or undesired radiological emanations. May also be constructed for physical protection.

CONTROL,MINE DETECTOR

A component which determines the mode of operation of a mine detector.

HOLDER,RADIAC SAMPLE

HOLDER,RADIAC DETECTING ELEMENT

DETECTING SET,MINE

A fixed number of components and/or items, not all having the same basic name, which are required for the detection and indication of metallic and/or nonmetallic mines buried in the earth, submerged in water, or on the surface of land or water within the operating range of the device. For items without separate components such as head phones, battery packs, or displays see: DETECTOR, MINE.

DETECTOR,CHEMICAL AGENT

A chemical used to detect a class of casualty-producing chemical warfare agents and/or toxic industrial chemicals. Excludes DETECTOR,CHEMICAL AGENT,AUTOMATIC; ALARM,CHEMICAL AGENT,AUTOMATIC.

LAMP,SAFETY,FLAME

An inflammable oil burning lamp, used to determine the presence of methane or natural gas and warn of oxygen deficiency in confined spaces, by increase or decrease in the height of the flame.

RADIAC SET

A fixed number of components and/or items, not all having the same basic name, which are used to detect, measure and/or compute radioactivity. They may or may not indicate simultaneously.

COMPUTER-INDICATOR,RADIAC

An item which has the dual function of computing and indicating radioactivity as received from a DETECTOR, RADIAC.

RADIACMETER

An item specifically designed to detect and measure radioactive energy; indicates directly. It may or may not include the function of a radiac computer.

PAPER,CHEMICAL AGENT DETECTOR

A sheet or roll of paper, treated with a chemical agent sensitive dye or paint, for use in detecting the presence of liquid chemical agents. It may have a pressure sensitive adhesive backing.

CASE,MINE DETECTING SET

PROBE,MINE

FOOD TESTING AND SCREENING KIT,CHEMICAL AGENTS

An item containing the necessary reagents and test papers for testing food and food containers for contamination by chemical agents and salts of heavy metals.

REAGENT SET,WATER TESTING

A group of chemicals and apparatus containing the necessary ingredients for testing water for contamination by G agents. Used in conjunction with the WATER TESTING KIT, CHEMICAL AGENTS.

REPAIR KIT,CARBON MONOXIDE INDICATOR

WATER TESTING KIT,CHEMICAL AGENTS

An item consisting of a group of apparatus and reagents for determining possible contamination of water by chemical agents.

WATER TESTING KIT,POISONS

An item consisting of a metal chest containing the chemicals and apparatus necessary to give a quantitative determination of the contamination of water by chemical agents and salts of heavy metals.

REFILL KIT,ANALYZING COMPONENTS,CBR AGENTS SAMPLING AND ANALYZING KIT

REPAIR KIT,CBR AGENTS SAMPLING AND ANALYZING KIT

RADIOACTIVE TEST SAMPLE

A radioactive material used for testing and/or calibrating radioactivity measuring and indicating devices, and/or activating ionsensitive components during test procedures.

METER,ROENTGEN

An item whose movement is actuated by the flow of electric current in an appropriate circuit and whose scale is calibrated in roentgens or any multiple thereof. It does not include facilities for detecting. It indicates the cumulative amount of radioactivity without reference to time. See also METER, ROENTGEN RATE. For instruments that measure radioactivity directly, see RADIACMETER.

DETECTOR CAPSULES,CHEMICAL AGENT

DETECTOR KIT,CARBON MONOXIDE,COLORIMETRIC

A collection of testing equipment and chemical materials used for determination of the percentage of carbon monoxide in an air sample drawn through an indicator tube.

ANALYZING KIT,CHEMICAL AGENT

A collection of chemical materials and testing equipment designed for the purpose of identification or analysis of toxic chemical warfare agents. Excludes DETECTOR KIT, CHEMICAL AGENT.

DETECTOR KIT,CHEMICAL AGENT

A collection of chemical materials and testing equipment for the purpose of determining the presence and identity of toxic chemical warfare agents. Excludes ANALYZING KIT, CHEMICAL AGENT.

PROBE,SAMPLING,GAS INDICATOR

A sparkproof metal or plastic tube used with a carbon monoxide, oxygen, or combustible gas indicator to obtain gas samples from otherwise inaccessible or dangerous locations.

FILAMENT,COMBUSTIBLE GAS INDICATOR

DETECTOR,HYDROGEN SULFIDE

TUBE,HYDROGEN SULFIDE DETECTOR

METER,ROENTGEN RATE

An electrically operated instrument which measures radioactivity and is calibrated in roentgens per unit time or any multiple threof. For instruments that measure radioactivity directly, see RADIACMETER.

ALARM-MONITOR GROUP

A collection of items, which provide alarm and monitor functions.

INDICATOR,CARBON MONOXIDE

An item which visually indicates the concentration of carbon monoxide gas in the air. See also DETECTOR KIT, CARBON MONOXIDE, COLORIMETRIC.

DETECTION TUBE ASSEMBLY,CHEMICAL AGENTS

An item consisting of a number of identical small glass tubes fastened to a common mounting board. The tubes are used to determine the absence or presence of specific chemical agents either by merely exposing the tubes to the air or by taking samples of the atmosphere for further testing.

SAMPLING KIT,CHEMICAL AGENT

An assembly of equipment and containers designed for the collection of samples of air and other material suspected of being contaminated by chemical agents. It may contain detector papers to determine presence of certain gases. Does not include material for identification of chemical agents.

REFILL KIT,CHEMICAL AGENT DETECTOR

A group of chemical agent detector tube assemblies used to replenish a chemical agent detector kit. It may contain other testing devices.

COMBUSTIBLE GAS INDICATOR SET,PORTABLE

A collection of unassembled components, which when assembled detects electrically and indicates visually, concentrations of combustible gas and/or vapor in the air. It is designed to be carried in the hand or attached to the person. Does not include items having warning or recording systems. Excludes INDICATOR, COMBUSTIBLE GAS, PORTABLE.

SWAB,CHEMICAL AGENT SAMPLING KIT

A rectangular piece of flannel, cotton, or similar material cut to a specified size and designed for use as a sponge in taking up samples of noxious liquid vesicants.

INDICATOR,COMBUSTIBLE GAS,PORTABLE

An instrument which detects electrically and indicates visually concentrations of combustible gas and/or vapors in air. It is designed to be carried in the hand or attached to the person. May include features such as audible, visible,vibration or warning alarms, and recording systems such as data logging.

PARTS KIT,RADIAC SET

FILM,RADIAC,PACK

WATER TESTING KIT,BACTERIOLOGICAL

A collection of items such as incubator, filtering device, culture media, syringes, etc., suitable for sampling and testing one or more bacterial contaminants of water.

WET BULB-GLOBE TEMPERATURE KIT

A group of items designed to measure the wet bulb-globe temperature heat index which combines air temperature, humidity, radiation and wind factors into a single value.

SAMPLING AND ANALYZING KIT,CBR AGENTS

A collection of items for use in sampling and identifying toxic chemical warfare agents and toxic smokes in the field involving partial qualitative analysis; in sampling biological warfare agents and radiological warfare agents for further processing by appropriate laboratories.

FILTER,ULTRAVIOLET LIGHT

An item fabricated of a special glass or other suitable material for the purpose of transmitting ultraviolet light and withholding all other wave lengths of light, particularly those at the visible region. It is designed to fit into the aperture of a suitable light source.

LEG,TRIPOD MOUNT

An item which, in conjunction with two similar items, aids in the support of a machine gun, recoilless gun, rifle or the like. It is a component of a MOUNT, TRIPOD (as modified); or a TRIPOD, RIFLE MOUNT; and may be a single or sectional item with an integral or nonintegral foot. Excludes LEG, GUN MOUNT. See also LEG SECTION, TRIPOD MOUNT.

LEG SECTION,TRIPOD MOUNT

An item which in itself is not a complete functioning item. It consists of parts which, together with other similar parts, form a LEG, TRIPOD MOUNT.

HEAD,AIR SAMPLER

A device which holds a number of chemical agent detector tubes in such manner as to draw an atmospheric sample through all tubes simultaneously. It is used in conjunction with a hand operated vacuum pump.

CASE,SAMPLING AND ANALYZING KIT,CBR AGENTS

A case which is specifically designed to hold the components of a SAMPLING AND ANALYZING KIT, CBR AGENTS.

CALCULATOR,DOWNWIND TOXIC VAPOR HAZARD

A slide rule device with imprinted scales designed to facilitate rapid calculation of the hazard to personnel at various distances downwind from toxic vapors released from a point or line source.

ALARM,CHEMICAL AGENT,AUTOMATIC

A device which detects the presence of chemical agents (war gases) and sounds an alarm, and/or lights a warning light of distinctive color. Excludes ALARM, GAS, AUTOMATIC.

ALARM,GAS,AUTOMATIC

A device which detects the presence of hazardous gases or vapors, toxic explosives, and/or sounds an alarm, and/or lights or flashes lights of distinctive color when the concentration reaches a dangerous level. Excludes ALARM, CHEMICAL AGENT, AUTOMATIC.

TRIPOD,AUTOMATIC CHEMICAL AGENT ALARM

A three-legged device for supporting the major components of a chemical agent automatic alarm system.

MOUNTING KIT,CHEMICAL AGENT AUTOMATIC ALARM

A collection of items specifically designed for mounting and adapting a chemical agent automatic alarm to tactical vehicular use.

SAMPLING KIT,CBR AGENT

A group of various items that may include scoops, applicators, vials, bottle and swab, radiation marker tags, etc., designed to collect specimens of material(s) suspected of chemical, biological, or radiological contamination. Does not include items for analysis and identification.

SIMULATOR,DETECTOR UNIT,CHEMICAL AGENT AUTOMATIC ALARM

An item designed to simulate the general characteristics and output signals of a CHEMICAL AGENT automatic alarm detector unit. It is used to warn of a simulated CHEMICAL AGENT attack during training and maneuvers.

TEST SET,ELECTRICAL CIRCUIT,CONCEALED PERSONNEL DETECTOR

A test set specifically designed for use in making examinations of electrical circuits on a DETECTOR, CONCEALED PERSONNEL.

INSTALLATION KIT,CHEMICAL AGENT AUTOMATIC ALARM

A collection of items for the installation of MOUNTING KIT, CHEMICAL AGENT AUTOMATIC ALARM on tactical vehicles.

CALCULATOR,NUCLEAR YIELD

A circular type slide rule consisting of concentric disks containing scales for use in calculating the yield from a nuclear burst.

CALCULATOR,RADIAC

A circular type slide rule consisting of concentric disks containing scales for use in calculating radioactive dose rate, total dose and fallout area entry/exit time after a nuclear burst.

CALCULATOR SET,RADIAC AND NUCLEAR YIELD

An item consisting of two or more calculators of circular slide rule type, designed to provide data concerning a nuclear cloud (fireball), as observed from the ground, and also to provide data to facilitate the making of estimates or predictions concerning radioactive fallout hazards.

ALARM,BIOLOGICAL AGENT,AUTOMATIC

A device which detects the presence of biological agent, sounds an alarm and activates the associated biosampler. Excludes ALARM, CHEMICAL AGENT, AUTOMATIC.

SAMPLER,BIOLOGICAL AGENT

An item designed to continuously sample the atmosphere for biological agent which is collected and stored for subsequent agent identification. It is specifically designed for use with an ALARM, BIOLOGICAL AGENT, AUTOMATIC.

SAMPLER KIT,AIR

An assembly of equipment designed to collect samples of air suspected of being contaminated. May include electrically powered vacuum pump that draws a measured volume of air through a filter, tape or other such device, on which the sample(3) are collected and/or recorded to be later analyzed. The equipment may also be used with a telemetering device. Excludes ANALYZING KIT, CHEMICAL.

MONITOR,CHEMICAL AGENT

A hand held device used for monitoring of chemical agent contamination on personnel and/or equipment. It detects vapors of chemical agents and may be designed to discriminate between vapors or various agents.

RECONNAISSANCE SYSTEM,NUCLEAR-BIOLOGICAL-CHEMICAL

A warning and communication system which will detect, identify and mark areas of nuclear, biological, and chemical (NBC) contamination; collect and store soil, water, and vegetation samples for later analysis; designate lanes of clear passage for troop movement; and transmit NBC information to others and to area commanders.

DETECTOR KIT,CBR AGENTS

A collection of items and testing equipment for the purpose of determining the presence of and/or measuring hazardous chemical, biological and/or radiological warfare agents.

DETECTOR KIT,GAS

A collection of chemical materials and testing equipment for the purpose of determining the presence and identity of hazardous gases.

TEST SET,GAS DETECTOR

A test set primarily designed for use in making examinations of a DETECTOR, GAS.

DETECTOR,GAS

A device specifically designed for the detection and/or evaluation and indication of hazardous gases.

PANEL,CONTROL,ELECTRICAL-ELECTRONIC EQUIPMENT

A panel, upon which are mounted such items as indicator lights, meters, relays, switches and the like, which is specifically designed for the purpose of controlling the operation of electrical and electronic equipment. See also PANEL, TEST, ELECTRICAL.

DETECTING ELEMENT,RADIAC

An item especially designed as a replaceable element for a DETECTOR, RADIAC.

INDICATOR TUBE,CARBON DIOXIDE

A replaceable tube containing a substance which changes in presence of carbon dioxides.

INDICATOR,CARBON DIOXIDE

An item which visually indicated the concentration of carbon dioxide gas in the air.

INDICATOR TUBE,GAS

A replaceable item containing a chemical substance which changes color in the presence of a hazardous gas.

TEST SET SUBASSEMBLY,HAZARD DETECTING EQUIPMENT

NITROGEN GAS CHARGING SYSTEM,EXPLOSIVE VAPOR DETECTOR

A device which provides the supply of gas for testing a DETECTOR, GAS. May have facilities for recharging small containers for portable operations.

GAS CHARGING SYSTEM,EXPLOSIVE VAPOR DETECTOR

A device designed to supply gas for testing and/or operation of a DECTOR GAS. May have facilities for r echarging small containers for portable operation.

DETECTOR-COOLER ASSEMBLY

A group of items specifically designed to convert incident infared energy to a low noise analog electrical signal. It may also define the spectrometer's field of view and spectral response.

BAG ASSEMBLY,CHEMICAL AGENT ALARM SYSTEM

A container with specific size pounches, inserts, hoods, collars and the like that accommodate components required to mount a DETECTOR (as modified) on a tripod.

MOUNTING KIT ALARM-MONITOR

A collection of items specifically designed to provide a shock dampening, mounting facility for a nuclear biological chemical alarm-monitor. Maybe used on tracked/wheeled vehicle, or the like.

CASE,RADIAC SET

A case specifically designed to hold and position a RADIAC SET.

ALARM,BIOLOGICAL-CHEMICAL AGENTS,AUTOMATIC

A device which detects the presence of chemical and/or biological agents, and sounds an alarm and/or lights a warning light. Excludes ALARM, BIOLOGICAL AGENT, AUTOMATIC and ALARM, CHEMICAL AGENT, AUTOMATIC.

SCINTILLATOR

A device used as a radiac detector which provides light photons (scintillations) as a result of interaction with gamma type nuclear radiation.

DETECTING CELL,CHEMICAL AGENT

A radioactive item which is exposed to the atmosphere and reacts in the presence of chemical agents.

DETECTION SYSTEM,BIOLOGICAL AGENT

A laser device designed to operate in the near infra-red and may or may not be mounted on an aerial platform. It is capable of detecting, mapping, and tracking an aerosol cloud at a distance up to 30 kms.

HOUSING,MONITOR,CHEMICAL AGENT

A housing designed to inclose and be an integral part of the components of a MONITOR, CHEMICAL AGENT.

SIEVE BREATHER ASSEMBLY

An item designed to be used inside a MONITOR, CHEMICAL AGENT. Its primary purpose is to dry air samples with a molecular sieve.

CASE ASSEMBLY,MONITOR,CHEMICAL AGENT

An item designed to house and protect a MONITOR, CHEMICAL AGENT.

DOSIMETER KIT,NOISE

A portable item consisting of components used for monitoring time-varying noise emissions in occupational, recreational, and community environments. May include indicator, noise exposure monitor, ear loop, windscreen set, battery, extension assembly, microphone, ceramic type, slide rule calculator, screwdriver, calibrator, and other related items.

WIPE TEST KIT

A kit specifically designed to perform a wipe test on chemical equipment or work areas where Nickel-63 or Tritium (H3) contamination is possible. It is a method of collecting the removable radioactive material contamination for liquid scintillation analysis.

CALIBRATION KIT,GAS INDICATORS AND ALARMS

A collection of items used as a method of verifying the accuracy of combustible gas indicators, non-combustible gas indicators, and automatic gas alarms. The difference between the observed reading and the known value is the error of the instriment being calibrated. It may include gas cartridges or cylinders.

CALIBRATION CHECK KIT,GAS MONITOR

A collection of items used for checking the accuracy and response time of gas detection instruments. It is compatible for use with a passport personal alarm and an aerosol type check kit used with an explosimeter indicator. May include regulator, calibration tube, quick connect calibration adapter, hose, tubing, calibration device, and other related items.

SAMPLING PUMP,AIR

A lightweight, compact, battery operated type item used with a variety of personal and area sampling devices. It is used for collecting airborne contaminants such as asbestos fibers, silica, coal and wood dusts, toxic gases, vapors, fumes and mists. This item comes with or without flow-fault indicator, to show if flow blockage occurs.

CALIBRATOR,MULTI-DOSIMETER

An instrument designed to simultaneously check several direct readings to see if the item is functioning properly during diagnostic radiology procedures. May consist of a plastic cylinder with holes around the central, hermetically-sealed, 9-uCi source.

DETECTOR,CHEMICAL AGENT,AUTOMATIC

A device that automatically detects, identifies, records and reports the class of chemical warfare agent and/or toxic industrial chemicals. It is portable, small and of rugged construction, for individual use. It may be hand held. Excludes DETECTOR, CHEMICAL AGENT; ALARM, CHEMICAL AGENT, AUTOMATIC.

TEST SET,CALIBRATION,HYDROGEN DETECTOR

A collection of items, which is not capable of performing a complete operational function by itself, but which when connected to a flask of hydrogen provides facilities for verifying the original calibration of hydrogen detectors at the time of installation, and at periodic intervals thereafter.

HOUSING,CHEMICAL AGENT AUTOMATIC ALARM

A housing specifically designed to inclose and support automatic chemical agent alarm subassemblies.

OPTICAL ASSEMBLY,MECHANICAL

INC 61915 REINSTATED ON 061412~An assembly of infrared reflecting and/or refracting elements which form and direct an infrared beam in an automatic chemical agent alarm utilizing the infrared detection system.

ALARM UNIT,CHEMICAL AGENT AUTOMATIC ALARM

DETECTOR UNIT,CHEMICAL AGENT AUTOMATIC ALARM

TESTER,LEAKAGE,PROTECTIVE MASK

An apparatus specifically designed to inspect protective masks by indicating the passage of smoke through a defective area. Major components usually consist of a test head, smoke generator system, light scattering chamber, vacuum pump, gas mask canister, and an indicator panel.

SIMULATOR,DETECTOR TICKETS,CHEMICAL AGENT

An item composed of simulated chemical agent detector tickets. It is designed to indicate the presence or absence of chemical agent when used with detector kits in a simulated chemical agent attack during training maneuvers.

TEST SET,CHEMICAL AGENT AUTOMATIC ALARM

A test set specifically designed for use in examining electrical circuits of components of a chemical agent alarm such as a detector unit or a remote alarm unit. It may include accessories such as pressure and metering devices to check for air leaks.

TESTER,LEAKAGE,CBR INSTALLED FILTERS

An apparatus specifically designed for the inspection of CBR filters, inherent in or integral to permanent installations, by introducing a measured amount of dioctyl phthalate aerosol or dichlorodifluoromethane into a controlled airflow at the filter inlet. Leakage is indicated if either penetrates the filter.

DETECTOR,EXPLOSIVE ORDNANCE

A group of items consisting of x-ray, television, imager, fluoroscopic, image intensifier equipment, and the like, specifically desiged for internal and external viewing, for the purpose of detecting and recording the presence and condition of explosives or explosive devices.

WINTERIZATION KIT,AUTOMATIC CHEMICAL AGENT ALARM

A group of items used to supply power to an automatic chemical agent alarm for efficient operation during cold weather.

RADIAC SET SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a RADIAC SET. It is not a complete functioning item by itself, and cannot be assigned a more definite item name.

TEST SET,MONITOR,CHEMICAL AGENT

A test set primarily designed for use in making examination of a MONITOR, CHEMICAL AGENT

COLLECTOR KIT,AMBIENT AIR

An assembly of consumables and expendables designed to aid in the collection and extraction of ambient aerosols.

DETECTOR,MINE

A unit used to locate metallic and low-metallic buried landmines. It may be portable and use battery power. It may or may not be a functioning unit. For items including separate components such as head sets, displays or battery packs see: DETECTOR SET,MINE.

SENSOR HEAD,MINE DETECTOR

An item which detects metallic material and low-metallic land mines utilizing metal detector technology and ground penetrating radar.

NOZZLE,SAMPLING,AUTOMATIC CHEMICAL AGENT DETECTOR

A item which is mounted on a DETECTOR, CHEMICAL AGENT, AUTOMTIC. It allows to suck up ambient air for analyzing.

COLLECTOR,PARTICULATE,AMBIENT AIR

An item designed to continuously collect particulates greater than one (1) micron from the ambient air via a felt filter, for analysis, using Hand Held Assays (HHAs), polymerase chain reaction (PCR) and other microbiological confirmatory techniques.

CASE,AUTOMATIC CHEMICAL AGENT DETECTOR

BAG,AUTOMATIC CHEMICAL AGENT DETECTOR

A container made of flexible material, designed to carry a DETECTOR, CHEMICAL AGENT, AUTOMATIC. It has facilities such as handle(s), and/or strap(s) for carrying and may also have interior and exterior pockets as well as dividers for separating and securing equipment and accessory. Excludes BAG ASSEMBLY, CHEMICAL AGENT ALARM SYSTEM.

PAN,EXPLOSIVES DETECTION

A vehicle mounted item using a magnetic field to determine the presence of mines in or above ground. It has mounted ink marking nozzles that help pinpoint the location of explosives for later disposal.

TUBE,SAMPLING,AUTOMATIC CHEMICAL AGENT DETECTOR

A tobacco pipe shaped item mounted on a DETECTOR,CHEMICAL AGENT AUTOMATIC. In conjuction with a sampling apparatus and scraper,it suctions vapors for analysis from toxic liquids on surfaces or persons. Excludes NOZZLE, SAMPLING, AUTOMATIC CHEMICAL AGENT DETECTOR.

RADIAC DETECTOR GROUP

A group of devices consisting of a component or components which are sensitive to radioactivity or free nuclear particles, together with associated electronic circuits and housing. In the presence of the intended radioactivity or free nuclear particles, the component(s) and electronic circuit produce an electronic pulse or current flow that is made available to other system components. Does not include meters or indicators. Excludes PROBE, RADIAC.

DOSIMETER,BATTLEFIELD

An item designed to measure radiation dose received by individual personnel in a combat or casualty setting. May include the ability for real-time display or indication of accumulated radiation dose or require the use of separate dose readout and display equipment.

ANALYZING KIT,BIOLOGICAL AGENT

A collection of chemical materials and testing equipment designed for the purpose of identification or analysis of biological warfare agents.

FORCEPS,ANALYTICAL BALANCE WEIGHT

A device for handling analytical balance weights. The ends are slightly curved to cradle the knobs of the integral weights, and are either rounded or tipped to prevent gouging fractional weights.

SCOOP,WEIGHING SCALE

A receptacle used with weighing scales to hold materials when they are being weighed.

BALANCE,TRIP

CALIBRATION KIT,WEIGHING SCALE,ELECTRIC

An assembly of components, such as an Indicator, milliammeter, power supply cable and adapter, hydraulic pump, etc., designed to simulate the application of dead weights for the purpose of testing the accuracy of portable scales by means of the test unit furnished in the kit.

SCALE,MAIL AND PARCEL POST

A scale which weighs mail or parcel post matter and computes postage due.

BALANCE,TORSION

BALANCE,PRESCRIPTION

A balance designed solely for use in dispensing of pharmaceuticals and dental metals.

BALANCE,ANALYTICAL

REST,ANALYTICAL BALANCE

WEIGHT,BALANCE

An item of definite mass specifically designed to be used with a BALANCE (1) (as modified) to counterbalance an unknown mass.

WEIGHT SET,BALANCE

An item consisting of two or more WEIGHT, BALANCE specifically designed to be used with a BALANCE (1) (as modified). It may include forceps and case(s).

BEAM,ANALYTICAL BALANCE

BALANCE,POCKET

A balance inclosed in a pocket size case, the lid of which, when opened, supports the beam. The beam, pans, and weights are contained in the case. Excludes BALANCE, PRESCRIPTION.

WEIGHT SET,COMMERCIAL SCALE TESTING

SCALE,PRE-PACKAGED FOODS

A scale which prints weight and prices to be applied to labels for pre-packaged foods. It may or may not have an automatic label printing attachment.

SCALE,WEIGHING

BALANCE,ELECTRONIC,DENTAL

A portable, electronically operated device, which may have an automatic digital display designed to be used for weighing precious metals.

COMPUTER,AIRCRAFT WEIGHT-BALANCE

An electronic computer designed to determine the actual weight and center of gravity position of various aircraft when used with electronic scales. It computes the estimated landing weight and center of gravity position. It is adaptable for use as a component of a COMPUTER-PLANNER, AIRCRAFT LOAD in planning cargo loadings to desired center of gravity positions when used with or without scales.

COMPUTER-PLANNER,AIRCRAFT LOAD

An electronic instrument designed to determine the actual weight and center of gravity of various aircraft and to plan cargo loadings to desired center of gravity positions when used with electronic scales. It is also capable of simulating the scale input when used without scales.

HOLDER,BALANCE WEIGHT

An item designed to accommodate one or more balance weights. It is generally mounted on another item by means of screws, studs, welding or the like. The item may be of structural design or completely inclosed.

LOAD CELL,FORCE-WEIGHT

An electrically operated strain-gage device used to change physical force(s), such as weight or thrust to an electrical signal which is transmitted to read-out device, such as a counter, indicator, meter, recording oscillograph, or the like.

COVER,BALANCE,TRIP

A fabricated removeable textile or plastic cover specifically designed to fully or partially inclose a BALANCE (1), TRIP for protection from dust, dirt and the like.

PERISCOPE SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a periscope subassembly but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

HOLDER,MIRROR

HOLDER,OPTICAL ELEMENT

An item specifically designed to hold and/or position a mirror(s), prism(s), reflector(s), or the like, in an optical system. Excludes CELL, OPTICAL ELEMENT; HOLDER, MIRROR and HOLDER, REFLECTOR.

TELESCOPE,AZIMUTH

A navigational telescope instrument for use with a self-synchronous alidade. It is equipped with a vertical reticle line to determine bearings.

LENS,SUPPLEMENTARY

An auxiliary lens which is used in combination with a regular lens to increase or decrease focal length.

VISOR,PERISCOPE

An item specifically designed to be attached to the viewing aperture of a periscope to exclude light, thereby aiding visibility of the image.

REFRACTOMETER

An instrument for determining the refractive index of a substance, by means of a ray of light passing obliquely from one medium into another of different density, or by the change in direction of the flow of an electric current when it passes from one medium to another of different conductivity or of other differing electric qualities. Excludes SPECTROSCOPE (as modified).

CATHETOMETER

An instrument of accurate measurement of distances or of the small difference of distance or height such as the upper surfaces of two columns of mercury or other fluids or of the same column at different times. It consists essentially of a telescope, horizontally mounted on a carriage, which travels on an accurate vertical and/or horizontal guide and with an accurately graduated scale.

TELESCOPE,ELBOW

A telescope whose line of vision is bent 90 degrees.

TELESCOPE,PANORAMIC

A telescope having a horizontally rotating head.

TELESCOPE,STRAIGHT

A telescope whose line of vision is 180 degrees from the eye.

BINOCULAR

A hand held optical instrument consisting of two telescopes on a common mounting adapted for stereoscopic use of both eyes of the user. The item may be designed for accommodation of prismatic devices.

MAGNIFIER

A viewing device which increases the apparent size of an object. It may consist of a mounted or unmounted simple or compound lens, or an assembly of lenses which may be arranged in various combinations. It may have a handle, stand, clamp, or similar means of manipulation or securing. With the exception of the MAGNIFIER of a dissecting microscope, this item is not part of any other item, although it may be an accessory. See also MICROSCOPE, OPTICAL.

MICROSCOPE,OPTICAL

An optical instrument used as an assistance to the eye or camera in viewing or photographing minute close objects. The essential parts of a microscope comprise an optical system consisting of separate objective and ocular lens assemblies which provide greater magnifications than can be obtained with a single lens assembly. Excludes MAGNIFIER.

EYEPIECE,MICROSCOPE

OBJECTIVE,MICROSCOPE

CONDENSER,MICROSCOPE,DARK FIELD

MECHANICAL STAGE,MICROSCOPE

STAGE MICROMETER,MICROSCOPE

A rectangular slide on which there is a scale. It is used for calibrating DISK, MICROMETER, MICROSCOPE EYEPIECE, crossline micrometers, or other rulings inserted in the eyepiece to measure the diameter of the field of the microscope.

WINDOW,OPTICAL INSTRUMENT

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

BENCH,OPTICAL

A device, consisting essentially of a horizontal rod or two parallel ways, on which movable carriages and holders may be fitted to hold and position various types and kinds of apparatus and optical instruments. It will be used for laboratory experiments or educational demonstrations in optics as well as for the testing and adjustment of optical instruments.

SPECTROMETER,PRISM

A spectrometer incorporating a prism or prisms for the dispersion of light.

SPECTROSCOPE,PRISM

A spectroscope mounted on a pillar base incorporating a prism or prisms for the dispersion of light.

SPECTROSCOPE,DIRECT VISION

A hand held spectroscope incorporating a prism system for the dispersion of light and is used in qualitative observation of the spectrum formed.

SPECTROGRAPH

An optical instrument designed to break up the light from a source into its constituent wave lengths and to provide a means of qualitative or quantitative study of the spectrum line formed. The instrument essentially consists of four parts; the slit, the lenses, the dispersion system and photographic or photoelectric system. The instrument may incorporate a prism or grating system for the dispersion of light.

HOT STAGE,MICROSCOPE

A device, designed to fit on the stage of a microscope, which permits the observation of substances when heated to elevated temperatures. Excludes WARM STAGE, MICROSCOPE.

CROSS HAIR,RETICLE

A slender piece of material, such as spider web, human hair, platinum wire or silkworm filament, used for making cross and stadia lines in reticles of optical instruments.

REDUCING GLASS

A viewing device with a double concave lens which decreases the apparent size of an object.

SHIELD,OPTICAL MICROSCOPE

FILTER,LIGHT,OPTICAL INSTRUMENT

An item having two plane-parallel surfaces and consisting of a polarizing material bonded between glass or plastic. This item transmits light in only one plane and is usually used in pairs to vary the light transmitted into or through an optical instrument. Excludes WINDOW, OPTICAL INSTRUMENT.

FILTER,LIGHT,TELESCOPIC INSTRUMENT

An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes WINDOW, OPTICAL INSTRUMENT.

LIGHT,MICROSCOPE

A device which illuminates, and may show in relief, objects viewed through a microscope.

MIRROR ASSEMBLY AND MOUNTING BRACKET,OPTICAL MICROSCOPE

An item consisting of a plain and a concave mirror mounted back to back in a mounting fork in swivel joints which permit 360 degree rotation about the axis between the points. The cylindrical base of the fork fits into a receptacle in the microscope.

COMPENSATOR,POLARIZING MICROSCOPE

SPECTROPHOTOMETER

An item which combines a spectrometer and a photometer as a unit. It is used to measure light intensity.

CELL SET,SPECTROPHOTOMETER

FILTER,MICROSCOPE LIGHT

CAP,LENS

A cap designed to conform to the general shape of a lens.

CAP,LENS MOUNTING

A cap designed to fit the opening of a lens mount on removal of the lens.

COLLIMATOR,INFRARED

An item, which includes a light or heat source and an optical system, designed to assist in the alignment of the optical system of infrared equipment.

PROJECTOR,MICROSCOPE SLIDE

An optical device designed for group viewing of microscopic fields, by projecting upon a screen a highly magnified image of a specimen mounted on a microscope slide. Normally used by educational institutions, hospitals and industrial plants.

STEREOSCOPE,PRISM-MIRROR

A stereoscope whose optical system consists of prisms and mirrors. It may include binoculars for purposes of additional magnification.

BORESCOPE

A viewing device used to visually inspect items such as cannon bores, internal combustion engine cylinder walls, propellant perforations of rocket motors or similar items, for defects of manufacture, corrosion, scars, erosion, etc., without the necessity of disassembling the item(s). It may or may not have extension tubes to cover the various ranges of inspection. The item is basically a straight-tube telescope using a mirror or prism.

CELL,OPTICAL ELEMENT

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

SCALE,DIOPTER

A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.

PRISM,OPTICAL INSTRUMENT

A transparent item with at least two polished plane surfaces inclined toward each other, designed for use in optical instruments to reflect and/or refract a beam of light. It may have one or more mirrored surfaces for greater reflection. Includes optical wedges used to divert paths of light by refraction, but to a lesser degree. See also BEAM SPLITTER, OPTICAL INSTRUMENT.

RETICLE,OPTICAL INSTRUMENT

An item, usually made of glass, having fine wires or hairs, or etched or printed fine lines on a surface, and placed in the focal plane of an optical instrument to establish a reference point to the axis for the purpose of aiming, measuring, ranging, and the like. Excludes LENS, OPTICAL INSTRUMENT.

LENS,OPTICAL INSTRUMENT

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.

MIRROR,OPTICAL INSTRUMENT

A mirror specifically designed for use in an optical instrument. Its surface may be coated to reduce reflection. Excludes PRISM, OPTICAL INSTRUMENT.

MOUNT,TELESCOPE

A mechanical device designed to support and/or position a telescope. It may include one or more of the following; cross leveling device, means of boresighting a gun, azimuth and/or elevation, adjusting mechanism, and accommodations for attaching a LIGHT, INSTRUMENT.

HEADREST,OPTICAL INSTRUMENT

An item fabricated from a cellular rubber pad, cemented to a rigid or semirigid backplate. It is usually shaped to fit the curvature of the forehead or a single brow of the observer. It is designed to be mounted on sighting devices, such as periscopes, telescope mounts, range finders, and thelike, to protect the observer from vibration and/or shock while sighting.

SHADE,OPTICAL INSTRUMENT

A tubular item fitted to the objective end of an optical instrument to protect the lens and/or window against the direct rays of the sun, and/or other obscuring elements.

EYESHIELD,OPTICAL INSTRUMENT

A resilient rubber item, designed to be attached to the viewing aperture of an optical instrument, to maintain proper eye distance and to protect the eye(s) of the observer from stray light, wind, and/or injury due to shock of gun fire or similar disturbances. Excludes VISOR, PERISCOPE.

EYEPIECE ASSEMBLY,OPTICAL INSTRUMENT

An optical system consisting of two or more lenses secured within a cylindrical sleeve. It is the component of an optical instrument nearest the eye of the observer when sighting. The distance between lenses is maintained by an optical element spacer. It usually has focusing facilities and may include a reticle, filter, and/or diopter scale.

CELL ASSEMBLY,OPTICAL INSTRUMENT

An item consisting of a CELL, OPTICAL ELEMENT in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see EYEPIECE ASSEMBLY, OPTICAL INSTRUMENT.

SPACER,OPTICAL ELEMENT

A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (AA). See also SPACER, SLEEVE and CELL, OPTICAL ELEMENT.

RETAINER,OPTICAL ELEMENT

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see CELL, OPTICAL ELEMENT. Excludes RING, EXTERNALLY THREADED.

RING,RETAINING,OPTICAL ELEMENT

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.

IRIS DIAPHRAGM,OPTICAL INSTRUMENT

An adjustable item of thin, overlapping opaque plates which are actuated by a ring or other device so as to change the diameter of a central opening, for controlling the intensity of transmitted illumination. It is usually employed to regulate the aperture of a lens in microscopes, and other optical instruments.

SPOTTING INSTRUMENT,OPTICAL

An item used for spotting enemy fire, detecting azimuth and deflection errors in bursts of fire for flash ranging, terrestrial and celestial observation, and for accurate measurement of horizontal and vertical angles by the use of reticles. It may have a single or dual optical system(s), utilizing a straight or offset (raised) line of sight. It is supported by a tribrach having a leveling plate with adjusting screws, circular and/or tubular level vials, azimuth and elevation controls, and the like. It may be mounted in a tripod or groundshelf mount, and usually includes accommodations for a LIGHT, INSTRUMENT.

EYEGUARD,OPTICAL INSTRUMENT

An item externally or internally threaded on one end, designed to be attached to the viewing end of an eyepiece. It is used to prevent physical contact of the observers' eye(s) with the eye lens(es) and protect the lens(es) from damage. Excludes EYESHIELD, OPTICAL INSTRUMENT; and VISOR (as modified).

COVER,SPECTROPHOTOMETER CUVETTE WELL

An item which is used to shield the cuvette from room light.

PRISM,OPTICAL INSTRUMENT,MOUNTED

A PRISM, OPTICAL INSTRUMENT, retained in a HOLDER (1), OPTICAL ELEMENT. See also BEAM SPLITTER, OPTICAL INSTRUMENT, MOUNTED.

REFLECTOR ASSEMBLY,OPTICAL INSTRUMENT

A device consisting of two optical instrument mirrors and/or optical instrument prisms mounted on a common mounting at a specific angle. It is used to transmit an image through an optical system to the reviewer.

RETICLE ASSEMBLY,OPTICAL INSTRUMENT

An optical element consisting of a polished optical glass disk to which is bonded a RETICLE, OPTICAL INSTRUMENT and a PRISM, OPTICAL INSTRUMENT. A right-hand and a left-hand assembly are used in an optical system to provide three dimensional vision of an object or target.

LENS,CONDENSER,MICROSCOPE LIGHT

A lens designed to concentrate the illumination from a light source in a device which illuminates objects viewed through a microscope.

FILTER,LIGHT,INTERFERENCE

A light transmitting item consisting of a transparent, flat glass body having two plane-parallel surfaces, either with only nonabsorbing dielectric coatings or absorbing and nonabsorbing coatings of a thickness nearly equivalent to the wavelength of the transmitted light. Interference begins at the thin bordering surfaces of the coatings, the penetrating light waves being superimposed on the reflected light waves. The item can be installed in various optical insturments, to serve as an eye protecting device.

MONOCULAR,STABILIZED

A hand held, fixed length, fixed power, optical viewing device. It is battery powered and designed to provide a means to detect and recognize point targets from safe stand-off ranges while achieving image stabilization. (Image stabilization is achieved by designing the item to compensate for vibration during vehicular movement.) For items made in cylindrical sections designed to slide or pass one within another, see TELESCOPE, (as modified).

TELESCOPE SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a telescope subassembly which in itself is not a complete functioning item and cannot be assigned a more definite Item Name.

TEST SET,OPTICAL POWER

A test set whose primary function is to measure the optical power level available from a light emitting source, such as light emitting diode, laser diode. This test set will also measure the optical power levels at the receiver end of an optical fiber.

CASE,OPTICAL INSTRUMENT

A portable case which may include clamps, spring clips, brackets or the like, to secure the instrument, accessories and/or components. It may include padding to protect the instrument against shock and vibration. Excludes CASE (2), SURVEYING INSTRUMENT.

MOUNT,VIEWER

A mechanical item or collection of items designed to support and/or position an optical or infrared viewer. For items designed to accommodate items used for weapon(s) aiming see MOUNT, SIGHT.

BEAM SPLITTER,OPTICAL INSTRUMENT

A transparent optical element designed to divide a beam of light by reflection and transmission into two or more beams.

BEAM SPLITTER,OPTICAL INSTRUMENT,MOUNTED

A BEAM SPLITTER, OPTICAL INSTRUMENT mounted on a HOLDER (1), OPTICAL ELEMEN T or retainer, optical element.

FILTER,INFRARED LIGHT

An item fabricated of a special glass or other suitable material for the purpose of transmitting electromagnetic radiation having wavelengths greater than those of microwaves and blocking all other wavelengths of light. It is designed to fit into the aperture of a suitable light source or detector. Excludes FILTER, ULTRAVIOLET LIGHT.

FIBERSCOPE

This is an optical instrument used to view objects that could not be seen by direct viewing. It contains an objective lens assembly and a bundle of systematically arranged optical fibers. The system may contain other components. The fibers transmit a full color image which remains undisturbed when the bundle is bent. See also BORESCOPE. Excludes items used for medical purposes.

FILTER SET,LIGHT,INTERFERENCE

A group of two or more FILTER, LIGHT, INTERFERENCE, USUALLY DESIGNED TO BE USED SEPARATELY WITH THE SAME HOLDER OR ADAPTER, HAVING A CARRYING CASE, PACKET, BOOK OR A SIMILAR CONTAINER FOR STORAGE WHEN NOT IN USE. It may include accessories, not all having the same name. Excludes FILTER SET, LIGHT, PHOTOGRAPHIC LENS.

MASK,OPTICAL INSTRUMENT

A thin metallic or nonmetallic plate which has an opening of a specific size. Its function is to limit the field of view of a telescope, periscope or the like by blocking peripheral light or images. Excludes MASK, LANTERN SLIDE, PHOTOGRAPHIC.

OPTICAL COMPONENT ASSEMBLY

Two or more different types of optical components having a common mounting or mounted on each other, which form a portion of an optical system. The items by themselves are not a complete functioning item and cannot be assigned a more definite item name.

SPECTROPHOTOMETER KIT,QUALITY CONTROL

A control which consists of specific filters to check the accuracy of various areas of spectrophotometer system at certain wavelengths. Includes necessary supplies.

TEST SET SUBASSEMBLY,OPTICAL INSTRUMENTS

PERISCOPE,ARMORED VEHICLE

A rectangular or cylindrical periscope, usually positioned in a holder, or mount within an armored vehicle. It is used to observe terrain, near and distant targets, and the like. It may also be linked to gun-training mechanisms for integration of movement for fire control purposes.

CASING,RIGID,BORESCOPE GUIDE

A round, hollow, rigid item used to serve as a guide for the insertion of a BORESCOPE. It can be positioned (shaped) at different angles to facilitate inspections with the borescope.

FIXTURE,TEST,OPTICAL EQUIPMENT

A fixture designed to position an optical instrument in a specific manner during testing of its various functions.

FILTER ASSEMBLY,INFRARED

A combination of two or more FILTER (2), INFRARED LIGHT; which are mounted on each other or which are connected by suitable components, and which are designed to transmit infrared light.

FILTER SUBASSEMBLY,LIGHT,OPTICAL INSTRUMENT

Different types of items having a common mounting or mounted on each other which together form a part of a FILTER, LIGHT, OPTICAL INSTRUMENT. In itself, it is not a complete functioning item and cannot be assigned a more definite item name.

MOUNT SUBASSEMBLY

Different types of items having a common mount or mounted on each other which together form part of a MOUNT (as modified); in themselves, they are not complete functioning items and cannot be assigned a more definite item name.

ADAPTER,MICROSCOPE

An accessory device for attaching electrical, fiber optic and other cable connectors.

WIPER ASSEMBLY,OPTICAL INSTRUMENT

An item fitted to the objective end of an optical instrument and designed for cleaning the lens and/or window during operations.

CELL ASSEMBLY SET,OPTICAL INSTRUMENT

A set consisting of two or more CELL ASSEMBLY,OPTICAL INSTRUMENT. Attachments, connections, and/or accessory parts may be included.

ELECTRODE,SPECTROMETER

A bar, stamp, or ring-shaped item made of highest-grade graphite and designed to be used in the nuclear-emission spectrometry for the component analysis of pulverized or less vaporable substances as well as compact metal samples.

SHAFT,BORESCOPE

An item designed to protect a flexible BORESCOPE against buckling.

LENS,OPTICAL INSTRUMENT,MOUNTED

A LENS,OPTICAL INSTRUMENT, mounted in a HOLDER,OPTICAL INSTRUMENT.

STABISCOPE

A handheld unit designed specifically for use in the helicopter search and rescue (SAR) operation to allow for target detection, recognition, and identification specification. The unit allows for both day use as well as night use through the application of intensifier adapters.

BORESCOPE KIT

A collection of items that may include borescope(s), adapter(s), light guide(s), and carrying case.

ANGLE ATTACHMENT,BORESCOPE

An item designed to change the viewing direction of a BORESCOPE (21654) in the case of inspection points which are difficult to reach. It is angular and may be rigid or adjustable. Documentation systems such as photo or video cameras may be attached at the eyepiece head.

HOUSING,WIPER ASSEMBLY,OPTICAL INSTRUMENT

An item designed to support and protect the components of a WIPER ASSEMBLY, OPTICAL INSTRUMENT.

ANTI-REFLECTION DEVICE,OPTICAL INSTRUMENT

An item specifically designed to be placed over the optics to prevent the reflection of light off the lens of items such as binoculars, telescopes for gun sights, rifle and other weapon sights in the visible and thermal ranges, vision blocks and laser-protective goggles. The item's design of a honeycomb material with special anti-reflection coating provides protection from glint and glare from optical surfaces without effecting the view. The item may include a flip-open cover designed to protect the filter. Packaging components such as carrying bag or case, and instruction for installation may also be included.

SIGHT,CENTER SCOPE

An item used to control the setting in line of a CENTER SCOPE.

CAP,PROTECTIVE,PERISCOPE

An item specifically designed to fit over the eye-piece opening of a PERISCOPE (as modified). It protects personnel against injuries and the periscope against damage due to shock. A look-through opening cap can be available. Excludes VISOR, PERISCOPE.

LENS,MICROSCOPE

LEVEL,OPTICAL,AUTOMATIC

A self-leveling level and sighting device which utilizes a compensator, supported by nonmagnetic wires, to automatically and precisely level the line of sight of the telescope. Includes a tribrach and a specific type of adapter for tripod or weapon mounting. Excludes LEVEL, SURVEYING.

LIGHT,MONOCHROMATIC

A light source which provides monochromatic light of specified micro-inch wave length for laboratory use. The light is inclosed in a wood or metal housing and includes a diffusing glass, transformer, switch, cord and plug.

PARTIAL MIRROR

An item specifically designed to transmit and reflect predetermined ration of incident light. It is a component of an optical collimating system.

TUBE,EXTENSION,BORESCOPE

A tubular item used to extend the length of a basic device to cover the various ranges fo internal visual inspection requirements. It may be engraved with circular graduations in units of linear measurements on the periphery and engraved the full length with a longitudinal line for the purpose of indexing the BORESCOPE.

SIGHTING SYSTEM,ANTIOSCILLATION

A system comprised of a sighting device, such as a telescope or binocular, a sighting device mount, a stabilization system, and associated miscellaneous components and cabling.

MICROSCOPE,LASER

An item incorporating a laser head with a precision binocular-type microscope. The microscope includes turret mount, objectives, and eyepieces. It may include facilities for mounting a camera for photographing the specimen at the time of laser beam impact.

SPECTROMETER,DIFFRACTION GRATING

A spectrometer incorporating a diffraction grating for the dispersion of light. The item is used for the spectrochemical analysis of metals, nonmetallic substances, and fluids. It may be equipped with indicators to permit direct reading of the analytical results.

TORCH,PLASMA,SPECTROMETER

An item designed to generate a plasma flux in which are placed metals, nonmetallic substances and fluids to be analyzed. It is a component of a SPECTROMETER, DIFFRACTION GRATING.

COMBINER,GLASS HEAD-UP DISPLAY

A piece of optically flat glass with associated mounting hardware which displays projected graphical data from the GENERATOR, SYMBOL, HEAD-UP DISPLAY in the operators field of view. This permits the operator to view the data while maintaining a normal head-up position and without obstructing normal field of vision. It is also used in what is known as display unit, head-down, found in helicopters and some aircraft.

SUPPORT,OPTICAL INSTRUMENT

An item specifically designed to hold and/or position a TELESCOPE,PANORAMIC, optical instrument(s), or the like, for an optical system. Excludes HOLDER,OPTICAL ELEMENT.

TIP,OPTICAL COMPONENT

The contact element for fiberscopes and the like. They are interchangeable and allow different parameters for nondestructive testing/inspection (NDT).

HANDLE,OPTICAL INSTRUMENT

A rigid or flexible item with a plain or serrated gripping surface, designed to be grasped with the hands. It is attached on BINOCULAR or on VIEWER,NIGHT VISION or the like to facilitate handling.

MICROSCOPE,ELECTRON

A device that uses accelerated electrons as a source of illumination. It uses electrostatic and electromagnetic lenses to control the electron beam and focus it to form an image. May also include accessories.

CONTROL AND DISPLAY UNIT,NONDESTRUCTIVE INSPECTION

An item used to display images and/or videos of probe, camera and the like in a nondestructive test. It may have remote control functions of the probe or camera, audio and video recording capabilities and the like.

TELESCOPE,SPACE SURVEILLANCE

A ground based, advanced, optical system used for search, detection, tracking, identification and characterization of small objects in deep space such as asteroids, micro-satellites, and space debris.

TELESCOPE SUBSYSTEM

A large aperture, three-mirror, wide-field-of-view optical telescope assembly designed for rapid, synoptic search and survey of small objects in deep space.

CLEANING KIT,OPTICAL INSTRUMENT

A collection of items such as one or more brushes, tissues, solvents, lubricants, and the like, specifically designed for the basic maintenance of an optical instrument such as telescopic sight, VIEWER,NIGHT VISION; RANGE FINDER-TARGET DESIGNATOR,LASER; BORESCOPE; CAMERA,STILL PICTURE; and the like.

TRIPOD,OPTICAL INSTRUMENT

A device with three vertically adjustable or nonadjustable legs hinged or permanently affixed to a mounting plate or head. The item is designed to support a BINOCULAR;TELESCOPE (as modified) and the like.

PLUG,EYEPIECE

An item designed to conform to the general shape of an eyepiece. It may or may not have a tether. Excludes CAP,LENS.

FAULT LOCATOR,FIBER OPTIC CABLE

A fault locator specifically designed for use in making examinations of a fiber optic cable emitting a light beam. For items which do not transmit light beams, see TEST SET, OPTICAL POWER. For items used to measure power, propagation, weakening and the like, see REFLECTOMETRE,OPTICAL TIME DOMAIN.

DEMAGNETIZER

An item specifically designed to remove magnetism from another item. For items specifically designed to disorientate the magnetic signal induced on tape or wire in preparation for the recording of another signal, see ERASER, MAGNETIC.

CHARGER,MAGNET

An item specifically designed to restore or establish the field strength of a permanent magnet by energizing it with an electrical current.

CASSETTE,RADIOGRAPHIC PAPER AND DEVELOPER ASSEMBLY

A cassette with narrow slots at both ends for the projection of the perforated tear off strip and envelope seal of the radiographic and developer assembly; with an indentation in the frame for guiding the withdrawal tab and an eccentric release in the center of the back, so designed to enable dry processing of the radiographic paper and developer assembly.

SCREEN,X-RAY INTENSIFYING

HOLDER,RADIOGRAPHIC FILM EXPOSURE

FILM,RADIOGRAPHIC

HOLDER,PROBE

VIEWER,X-RAY FILM

ADAPTER,METER

A part designed to provide the necessary accommodations for mounting a meter in a panel space of a size different from that normally intended to accommodate it.

STAND,BALANCING WAY

A balancing tool consisting of two frames or standards, each frame carrying two steel ground disks or rollers mounted on bearings and spindles or a knife edge type of work support. The frames may or may not be supported by two horizontal shafts. Used for making adjustments for various lengths. It is used to test the static balance of shafting, pulleys, crankshafts, flywheels, propellers and the like.

TANK,INSERT,X-RAY FILM PROCESSING

A deep receptacle used in the processing of exposed X-ray films accommodating sizes up to and including 14 by 17 inches (355.6 by 431.8 millimeters). It is a component of a "Master" tank or processing unit that is unaffected by X-ray film processing chemicals.

DENSITOMETER

A device designed to measure the optical density of an item.

HANGER,X-RAY FILM

A device for supporting X-ray films in processing solutions, and during subsequent drying period. Excludes HANGER, PHOTOGRAPHIC FILM.

X-RAY APPARATUS,RADIOGRAPHIC AND FLUOROSCOPIC

CASE,MAGNET CHARGER

Changed the (AEUSA) on 060117 to US usage.

TESTING MACHINE,VIBRATION FATIGUE

BALANCING MACHINE,DYNAMIC-STATIC,HORIZONTAL

A machine designed to accurately measure and locate the amount of static or dynamic unbalance, or the combined effect of static and dynamic unbalance, in arbitrarily selected planes of correction, in rotating parts or assemblies, such as fans, generator and motor armatures, pump rotors and crank shafts. See also BALANCING MACHINE, DYNAMIC-STATIC, GYRO-ROTOR.

BALANCING MACHINE,DYNAMIC-STATIC,GYRO-ROTOR

A machine designed to accurately measure and locate the amount of static or dynamic unbalance, or the combined effects of static and dynamic unbalance, in arbitrarily selected planes of correction, in gyro-rotors or the rotor and magnet assemblies of gyro-stabilized instruments.

SHAKING MACHINE,TESTING SIEVE,LABORATORY

X-RAY APPARATUS,RADIOGRAPHIC,INDUSTRIAL

A portable, mobile, or stationary device usually consisting of an x-ray tube, transformer, control, and associated devices designed for radiographic inspection of materials.

TESTER,SPRING RESILIENCY

An apparatus, device, or instrument which is specifically designed for testing spring resiliency by subjection to the desired strain and indicating this force in units of weight. Indication may be by means of a dial, graduated scale, a pressure gage, a weighing scale, or by the graduated scale of a torque indicator wrench. The force may be applied mechanically, hydraulically, or manually. May have a fixed or adjustable platform load receiver. Excludes SCALE (as modified).

SIEVE,TEST

RACK,X-RAY FILM HANGER

RADIOGRAPHIC PAPER AND DEVELOPER ASSEMBLY

BRACKET,X-RAY FILM HANGER

COOLER,X-RAY FILM PROCESSING UNIT

TEST SET,ASPHALT

A collection of equipment used to supplement basic soil testing equipment, enabling asphalt to be tested.

TEST SET,CONCRETE

A collection of equipment used to supplement basic soil testing equipment, enabling concrete to be tested.

TEST SET,SOIL

A collection of equipment necessary for the testing of soil in the construction of roads, airport runways, and the like.

DETECTOR KIT,WATER,AUTOMOTIVE-AVIATION FUEL

A collection of items used for detecting free water presence in automotive and aviation fuels.

DRIER,X-RAY FILM

A device designed for removing moisture from X-ray film either by absorbent chemicals, air currents, heat, or combinations.

PROCESSING UNIT,X-RAY FILM

An item consisting of either a master tank having a back panel on which is mounted various controls and accessories, or of a master tank which is inclosed in a light tight cabinet having a mounted viewing window and safelight. It may include a refrigerating unit and is used for developing, fixing, and washing X-ray films up to size 14 inches by 17 inches (355.6 millimeters by 431.8 millimeters). Does not include PROCESSING UNIT, PHOTOGRAPHIC FILM.

TANK,MASTER,X-RAY FILM PROCESSING

A tank which is either compartmented or has insert tank(s) and is usually designed to accommodate up to 14 inch by 17 inch (355.4 millimeters by 431.8 millimeters) X-ray film. It may have plumbing connections and a cooling and/or heating unit. It is designed for developing, fixing, and washing X-ray films. For tanks having back panel with controls, illuminators, viewers, safelight, and similar equipment, see PROCESSOR UNIT, X-RAY FILM; and TANK, PROCESSING, PHOTOGRAPHIC.

CONTROL UNIT,X-RAY APPARATUS

COOLER AND HEATER,X-RAY FILM PROCESSING APPARATUS

CONTROL UNIT AND TUBE-TRANSFORMER HEAD,X-RAY APPARATUS

An inclosure containing an X-ray tube and transformers, with a control unit, generating X-radiation.

DRIER AND BIN,X-RAY FILM

PROCESSING MACHINE,RADIOGRAPHIC PAPER AND DEVELOPER ASSEMBLY

An item which accommodates a dry processing cassette and is designed for automatic dry-processing of radiographic photosensitive material and positive image receiving paper, without the use of darkroom facilities.

TRANSFORMER,X-RAY APPARATUS

DARKROOM,X-RAY,PORTABLE

CHEST,CONCRETE TEST SET

CHEST,SOIL TEST SET

BIN,X-RAY FILM LOADING

A receptacle, with compartments for holding various sizes of undeveloped X-ray film, which is protected against stray X-ray radiation and visible light. It has a door and is usually provided with a flat top surface suitable for loading cassettes. It may include an accessory storage compartment and drop leaves.

TRANSDUCER,SUPERSONIC TEST

An item specifically designed to transmit supersonic frequency wave motion energy to another item under test, and to receive components of reflected energy, the characteristics of which when interpreted on an associated indicator, provides facilities for the determination of flaws or other irregularities of the item under test. Does not include the indicator. See also TRANSDUCER, MOTIONAL PICKUP and DETECTOR, METAL FLAW, ELECTRONIC.

TESTER,SOIL DENSITY,SAND METHOD

A device consisting of a wide mouth screw cap jar and a detachable appliance consisting of a valve having the small end of a standard pycnometer top brazed to one opening and the small end of a cone fixed in a like manner to the other opening. A stop is set at one end of the valve to control the opening and closing of the bore.

MOLD,AGGREGATE TESTING,WATER ABSORPTION

A conical shaped metal item which when filled with fine aggregate, and the mold removed, indicates by the shape of the aggregate remaining whether a surface dry condition has been reached.

MOLD,CONCRETE TESTING,SLUMP CONE

A conical shaped metal item which when filled with concrete and the mold removed, determines the consistency of the concrete by a gradual slump or a tendency to crumble or segregate.

MOLD,CONCRETE TESTING,COMPRESSION

A cylindrical shaped metal item used for forming specimens for the compression testing of concrete.

TAMPING ROD,SOIL TESTING

Excludes TAMPER, COMPACTION, SOIL TESTING.

TAMPER,COMPACTION,SOIL TESTING

A metal device consisting of a rammer inclosed in a cylinder to guide its fall. A stop in the top of the inclosing cylinder restricts the fall of the tamper to a predetermined distance. Excludes TAMPING ROD, SOIL TESTING.

MEASURE,AGGREGATE TEST

A metal cylindrical shaped item used to measure and contain aggregate during the test to determine unit weight.

TENSIOMETER,DIAL INDICATING

An instrument designed to measure the tension on cable, wire and the like by means of a tension indicating mechanism with a device for attaching the material to be measured. See also TESTER, MATERIAL STRENGTH.

SIEVE SET,TEST

COVER,TEST SIEVE

PAN,SOIL TESTING

PAN,TEST SIEVE

EXTENSOMETER

An instrument designed to measure tension and compression strains of structural members.

PENETROMETER

An instrument for determining the penetrability or consistency of bituminous materials, petrolatum and grease.

TESTING MACHINE,SOIL LIQUID LIMIT

A mechanical device consisting of a cup mounted on a hinged bracket in such a manner that the cup is raised and dropped through a specific distance upon a hard base by means of a cam mechanism. It is used for determining the liquid limit of soil or the moisture content at which soil will flow when jarred in accordance with established soil testing methods.

TESTER,INSTRUMENT BEARING TORQUE

A device designed to facilitate the precision testing of instrument ball bearings, for their starting and friction characteristics.

TESTER,MATERIAL BURSTING POINT

An instrument used to measure the bursting strength of sheet materials such as paper, cloth, metal foil and plastics.

COMPARATOR,OPTICAL PROJECTION

An instrument designed to inspect or measure, by optical projection, the wear, tolerance or distortion of an item which is difficult or impossible to inspect or measure directly.

TESTER,MATERIAL STRENGTH

An instrument designed for testing by measuring the tensile strength of fabric, yarn, leather, wire, metal, paper and similar materials. May also be designed to make compression and/or elongation test. See also TENSIOMETER, DIAL INDICATING.

TESTER,MATERIAL HARDNESS

An instrument designed to measure the hardness of metals, plastics, rubber, and other solids, by methods based on resistance to penetration by an indenter of greater hardness than the material being tested.

MAGNETIC INSPECTION UNIT,STATIONARY

A unit designed for inspecting magnetic metal part(s) for surface or near surface defects, by setting up a suitable magnetic field within the part(s) to be inspected. Any sudden interruptions to this magnetic field indicates by magnetic particles the exact extent and location of the defect.

MAGNETIC INSPECTION UNIT,PORTABLE

A unit designed for inspecting magnetic metal part(s) for surface or near surface defects, by setting up a suitable magnetic field within the part(s) to be inspected. Any sudden interruptions to this magnetic field indicates by magnetic particles exact extent and location of the defect.

FLUORESCENT PENETRANT INSPECTION UNIT

A device designed for the inspection, by the wet and dry method, to detect surface and near surface flaws in magnetic and nonmagnetic metals, ceramics, glass, plastics and other solid materials.

TESTER,RUBBER,ELONGATION

An item designed for stretching rubber to determine its elasticity or recovery after a definite elongation without reference to the tension applied.

TESTER,STATIC SYSTEM

A device specifically designed to check the static tube system of a guided missile, rocket, or the like for leakage. Excludes TESTER, PITOT AND STATIC SYSTEMS.

TESTER,REGULATING VALVE,PRESSURE SUIT

A unit designed for testing the operation of pressure suit regulating valves, by applying weights to the sensitive unit of the valve to produce the same results as actual acceleration caused by pullout or other aircraft maneuvering.

TESTER,TORQUE,WRENCH AND TENSIOMETER

An item consisting of a gage assembly and a lever mechanism designed for bench testing the accuracy of torque indicating wrench handles, tensiometers, and the like.

ANALYZER,PARTICLE SIZE

A device designed to determine the size distribution of powdered materials below the 200 mesh sieve range. The method employed is an oscillating U-shaped tube and encased air jet to furnish the air required for separation. It is regulated in accordance with Stokes law of fall for microscopic size particles.

TESTER,FLEXURAL STRENGTH,CONCRETE BEAM

A portable manually operated machine consisting of a base frame with roller supports, a detachable upright frame to which is attached a loading unit, a proving bar and a dial indicator. It is used to determine the flexural strength of concrete beam specimens.

MOLD,CONCRETE BEAM TEST SPECIMEN

SAMPLE SPLITTER,AGGREGATE

A device consisting of a riffle type hopper and discharge chutes supported on a metal frame with chute discharge pans. It is designed for dividing or quartering dry materials such as cement, gravel, and soil prior to testing for fine and coarse sieve analysis.

COMPACTION CYLINDER,SOIL

A metallic device for compacting soil and soil-cement specimens for tests, such as moisture-density and durability tests. It consists of a cylindrical mold in which the specimens are compacted, a detachable collar, or extension, and a detachable base to which the mold and collar assembly is fastened. The mold bore may be either straight or tapered and the mold wall either solid (continuous) or split, the taper bore and the split wall facilitating the removal of the specimen. Internal dimensions are machined to close tolerances to insure volumetric accuracy.

LIGHT,ULTRAVIOLET,METALS EXAMINING

An item specifically designed for use in determining the existence of seams, cracks and other types of flaws in metals. It consists of an ultraviolet light source such as a mercury-vapor lamp, in a housing usually incorportating a pistol-grip handle, and a filter for the exclusion of visible light. See also DETECTOR, METAL FLAW, ELECTRONIC.

TEST SET,SOIL TRAFFICABILITY

A portable set of equipment containing a cone penetrometer and other items designed to determine, by soil measurements, whether the ground in place will support vehicular traffic. Excludes TEST SET, SOIL.

PROCESSING MACHINE,RADIOGRAPHIC FILM,AUTOMATIC

MARKER,X-RAY FILM IDENTIFICATION

A single letter or numeral designed for use in marking a sheet of x-ray film for identification at the time of exposure.

DETECTOR,MOISTURE CONTENT

An electrical or battery operated device for the measurement of moisture and its percentage in wood, plaster, brick, concrete, paper, grain, and the like, without marring the sample. Item may be portable or transportable and uses various types or electrodes, or radio-active source to take readings.

X-RAY EQUIPMENT,INDUSTRIAL

A collection of items that includes a radiographic X-ray unit, film processing and viewing equipment, support and supply items used to make industrial radiographic inspections. Excludes X-RAY APPARATUS, RADIOGRAPHIC, INDUSTRIAL; and X-RAY APPARATUS SET, RADIOGRAPHIC, INDUSTRIAL.

PROBE,EDDY CURRENT

An item with or without attaching cable designed to detect flaws, cracks and the like on surface or near surface metals. Establishes a magnetic field through the probe coil and locates the resulting magnetic disturbance in the item under test. Used in conjunction with DETECTOR, METAL FLAW, ELECTRONIC. Excludes PROD, TEST.

TESTER,SPRING,ELECTRONIC

A precision instrument for tension and compression testing of springs. Electronic signals proportional to the load force are interpreted by self-contained microprocessing system. Information on tested item is translated to a digital display for readouts about force, deflection, and/or spring rates.

ANALYZER,SURFACE FINISH,CONTACT

An item used to determine the roughness of the surface of an item by indicating and/or recording the movement of a stylus as it is moved across the item. The analyzer may include a reference specimen used for calibration. See also GAGE, COMPARATOR, ELECTRONIC.

REFERENCE STANDARD,PHYSICAL PROPERTIES

Simulates structure of item under test to provide a means to calibrate test equipment. May include carrying case.

PROBE SET,EDDY CURRENT

A group of items including a PROBE, EDDY CURRENT designed to detect minute surface flaws in electrically conductive materials. May be used in conjunction with other equipment necessary to perform eddy current inspections on engine parts.

CAP,TOP,SAMPLE CELL

A round cup shaped, unthreaded item designed to clamp on the top of a tri-axial soil sampling cell to maintain pressure.

REFERENCE STANDARD SET,PHYSICAL PROPERTIES

A group of two or more REFERENCE STANDARD, PHYSICAL PROPERTIES. May include brackets, fixtures, carrying case and the like.

TEST STAND,CONFORMANCE,X-RAY RADIATION-COLLIMATOR

A collection of items which affords compliance testing capabilities in accordance with regulations governing stationary radiographic and flouroscopic x-ray systems. It is used primarily for, but not limited to, radiation measurements and collimator alignment.

TEST SET SUBASSEMBLY,PHYSICAL PROPERTIES EQUIPMENT

TRANSDUCER,ULTRASONIC TEST

An item designed to convert electrical signals into mechanical vibrations or ultrasound beams. These signals are passed through a material and are reflected and scattered by any discontinuities (flaws) back to the receiving unit where they are reconverted to electrical signals and amplified for processing on an indicator for interpretation. See also TRANSDUCER, SUPERSONIC TEST.

STRAIN GAGE

A device in which mechanical motion is converted into an electric variation that is used as a sensitive measure.

SEPARATOR,MINERAL

An electro-mechanical device designed to separate and collect minerals from sample mixtures in order to perform various tests. It may do so through centrifugal action, magnetic attraction, or a vacuum method.

TESTER,SURFACE COATING

An instrument designed to measure/determine the properties of coatings on metals, plastics, rubber, and other solid items. May or may not require external power.

X-RAY TUBE

A vacuum tube containing electrodes that accelerate electrons and directs them to a metal anode, where their impact produces X-rays.

TEST SET,ULTRASONIC

An item for non-destructive testing using ultrasonic frequencies to test for flaws, cracks, disbonds and the like in metallic and nonmetallic materials. This item uses TRANSDUCER, ULTRASONIC TEST. This excludes DETECTOR, METAL FLAW ELECTRONIC.

MONITOR,FATIGUE,STRESS

An item consisting of sensing elements used to record mechanically the very small movements of elongation which appear on structures under cyclic loading such as cranes, vehicles, frames and the like. These sensing elements are made of a thin metallic strip mounted on two bearings tightened to the structure to be monitored which move one parallel to the force direction according to each stress amplitude.

METER,DENSITY,DIGITAL

A device designed to determine density and/or specific gravity of a liquid or pasty sample by inserting the sample into a U-tube and subjecting it to an electromagnetic excitation (vibrating tube).

DETECTOR,METAL FLAW,ELECTRONIC

A non-destructive electromagnetic device which introduces eddy current in a part(s) to be inspected. Changes in the current flow caused by surface variations in the part are reflected into a nearby coil(s) where they are detected and measured by suitable instrumentation which is provided. See also FLUORESCENT PENETRANT INSPECTION UNIT; MAGNETIC INSPECTION UNIT (as modified); TRANSDUCER, ULTRASONIC TEST; X-RAY APPARATUS, RADIOGRAPHIC, INDUSTRIAL.

JAR,CLOUD AND POUR POINT TEST

LOAD CELL,FORCE-WEIGHT

An electrically operated strain-gage device used to change physical force(s), such as weight or thrust to an electrical signal which is transmitted to read-out device, such as a counter, indicator, meter, recording oscillograph, or the like.

TESTER,CABLE TENSIOMETER

An item consisting of a load weigher, cable loader, bench, and cable assemblies designed for bench testing the accuracy of cable tensiometers. Excludes TESTER, TORQUE, WRENCH AND TENSIOMETER.

TESTER,TORQUE WRENCH

An item consisting of a drive, adapter, torque indicator and calibration equipment designed to verify torque handle settings in increments of pound-inches on an indicator dial. Excludes TESTER, TORQUE, WRENCH AND TENSIOMETER.

PRESETTING MACHINE,CUTTING TOOL,INDUSTRIAL PRODUCTION TYPE

A bench or floor type precision inspection and measuring machine, incorporating gaging devices, optical projection comparators, or the like to perform the off-machine positioning of cutting tools. It is designed to position, adjust, and preset the cutting edges of a tool(s) inserted in a boring bar, a cutting tool holder, or the like.

TEST STAND,COMPRESSED GAS CYLINDER

An item equipped with the necessary instruments and accessories mounted on a stand, designed for the hydrostatic testing of compressed gas cylinders.

X-RAY APPARATUS SET,RADIOGRAPHIC,INDUSTRIAL

A group of items used in conjunction with X-ray apparatus, for the sole purpose of viewing and processing films. Excludes X-RAY APPARATUS, RADIOGRAPHIC, INDUSTRIAL.

PLUG-IN UNIT,ELECTRICAL-ELECTRONIC TEST EQUIPMENT

An electronic subassembly designed to be plugged into one or more basic pieces of test equipment to extend the capabilities of the basic instrument. The basic instrument cannot function without one or more plug-in units (as required) in position.

COUNTER,PARTICLE

An apparatus designed to measure quickly concentrations of particulates in liquids or gas. The count is performed by laser or white light source diffusion.

TEST SET,FRICTION,FUEL-LUBRICANT

A collection of items, such as mechanical test unit, control and data acquition unit, tools and the like, primarily designed for testing and evaluating fuel lubricity, measuring boundary friction coefficient of lubricants and assessing wear by measuring the diameter of the wear scar on test ball. Excluders TESTER, LUBRICANT FRICTION.

ANALYZER,BALANCER AND VIBRATION

A portable instrument which performs critical test, such as propeller balance, in-flight engine monitoring, mils broadband, failure and trend prediction, reduction gearbox assembly break-in, on-wing engine diagnostics, torguemeter run-out, turbine seal break-in. May include interconnections, cabling, transducers, storage/carrying case and other related accessories. EXCLUDES: TEST EQUIPMENT, HELICOPTER ROTOR HEAD BALANCE AND BLADE TRACK RUN; BALANCING, MACHINE, DYNAMIC-STATIC, HORIZONTAL; BALANCING, WHEEL, NONELECTRIC; AND ANALYZER, SPECTRUM.

TUBE STAND UNIT,INDUSTRIAL X-RAY

A device used to support and position an x-ray tube head when preforming non-destructive testing.

COUPLANT,ULTRASONIC TEST

A preparation used as a conductive media in providing efficient physical contact between the membrane of the TRANSDUCTOR, ULTRASONIC TEST and the item to inspect during testing operation.

TEST SET,DIFFUSER

A collection of items such as tubing, glassware, pumps, regulators, flowmeters and the like designed to check pore diameter and permeability of diffusers used to test oil velocity and tatic pressure (foaming). Excludes TEST KIT, OIL CONDITION.

TEST SET,HEAT DETECTOR

A test set designed for use in making examination of a DETECTOR, HEAT.

TEST SET,AUTOMATIC SMOKE ALARM

A test set designed for use in making examinations of an ALARM, SMOKE AUTOMATIC.

PLATE,IMAGING,RADIATION

A reusable screen normally containing a special class of phosphor. It is designed for the storage of latent image. The item is used in computer-aided radiography.

MEASUREMENT SYSTEM,RUNWAY FRICTION

A system designed to measure surface friction on airfield runways and the like. May be trailer mounted.

CAMERA,INFRARED,INDUSTRIAL

Camera for non-destructive tests in various materials or objects. It may perform thermal signatures of targets, thermomechanicals analysis, captures and records of thermals variations in real time and the like. It may include software and accessories.

CONTROL AND DISPLAY UNIT,NONDESTRUCTIVE INSPECTION

An item used to display images and/or videos of probe, camera and the like in a nondestructive test. It may have remote control functions of the probe or camera, audio and video recording capabilities and the like.

CHAMBER,ENVIRONMENTAL TESTING

A chamber designed exclusively to perform controlled tests under simulated environmental conditions to determine physical changes or damage to items under test due to humidity, immersion, moisture, altitude thermal shock, sand, dust, etc..

STATOR,GENERATOR

Excludes STATOR, ENGINE GENERATOR.

ROTOR,GENERATOR

A rotor which is a part of an alternating current generator. See also ARMATURE, GENERATOR.

STROBOSCOPE

A device specifically designed for observing a periodic or varying motion such as rotation or vibration, by creating the optical illusion of slowing down or stopping the motion of an object being viewed. See also DISK, STROBOSCOPE.

TACHOMETER,STROBOSCOPIC

A tachometer using the stroboscopic, synchronizing principle of operation.

ANEMOMETER

A self-contained item which senses, measures, and indicates the speed of the wind and/or total air movement. Excludes transmitting devices.

RECORDER,GROUND SPEED

An item which makes a permanent representation of the horizontal speed of a moving object with respect to the earth.

GAGE,ELECTROLYTE LEVEL

A gage designed to be immersed in a container holding an electrolyte and which shows the level of the electrolyte on a graduated scale.

INDICATOR,SIGHT,LIQUID

An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes INDICATOR, LIQUID QUANTITY and INDICATOR, RATE OF FLOW.

TRANSMITTER,LIQUID QUANTITY

An instrument designed to measure and transmit information relative to the quantity of liquid contained in a tank, vessel, chamber, or the like. Excludes SWITCH, LIQUID LEVEL.

INDICATOR,LIQUID QUANTITY

An indicator which indicates the amount of liquid contained in a tank, vessel, chamber, and like items.

STATIC TUBE

A device provided with opening(s) which receive the barometric pressure of the atmosphere for transmission to various instruments.

TEST SET,INDICATOR

A test set specifically designed for use in making examinations of indicators.

TUNING FORK

METER,VOLUMETRIC POSITIVE DISPLACEMENT,LIQUID

An instrument that measures, indicates, and/or records liquid volume by counting the number of times the measuring chamber is filled by a liquid.

TACHOMETER,ELECTRICAL,SELF-GENERATING

A tachometer that consists of indicator(s), generating transmitter(s), and the necessary connections.

TACHOMETER,MECHANICAL,HAND HELD

A tachometer designed to be held in the hand and whose spindle is driven by manually pressing it to the rotating object.

TACHOMETER,MECHANICAL,FIXED MOUNTING

A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

TACHOMETER,VIBRATING REED

A tachometer designed to operate by harmonic action of a reed(s).

GAGE,ALTITUDE,DIAL INDICATING

An instrument used to measure and indicate the height of water, above the instrument, in tanks, reservoirs, sprinkler systems, or hot water heating systems. Excludes ALTIMETER (as modified).

INDICATOR,OXYGEN FLOW

An indicator which visually shows when oxygen is flowing through an oxygen breathing system.

REGULATOR,OXYGEN,DEMAND

A regulator designed to deliver pure breathing oxygen automatically when the user inhales, within a maximum operating altitude of 35,000 feet (10,668 m).

METER,FLUID FLOW INDICATING,DIFFERENTIAL PRESSURE

An instrument designed to measure the rate of flow of a fluid through a pipeline, based on the exact relation which differential pressure bears to fluid velocity, and this measurement indicated on a graduated scale by a pointer directly connected to a mercury or oil sealed bell or a bellows. It may or may not have a totalizing integrator register built in. Excludes: METER, FLOW RATE INDICATING; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; and METER, FLUID FLOW INDICATING, ULTRASONIC.

INDICATOR,ELECTRICAL TACHOMETER

An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

METER,GAS VOLUME,DRY TEST

An instrument designed to measure and indicate the volume of gas flow for field testing and demonstration purposes. It may or may not have cumulative index registration dials.

METER,GAS VOLUME,WET TEST

An instrument designed for laboratory testing of the volume of gas flow, calorific value, sulphur and ammonia determination.

SPEEDOMETER

An instrument for measuring and indicating in miles or kilometers per hour the speed at which a vehicle is being driven. It measures and records distance traveled by means of an odometer. It does not include SHAFT ASSEMBLY, FLEXIBLE.

RECORDER,LIQUID LEVEL,FLOAT TYPE

An instrument composed of float(s), stylus(es), clock mechanism(s), and a drum and/or spool(s) for making a continuous record of liquid height over a period of time. Excludes rain recorders and those recorders which indicate or receive information from a transmitting element(s).

INDICATOR,RATE OF FLOW

An indicator which indicates the rate of flow of a fluid.

INDICATOR,RATE OF FLOW AND CONSUMPTION

An indicator which indicates the rate of flow and consumption of a fluid.

COUNTER,ELECTRICAL

An instrument which is actuated by electrical pulses and designed to register and total numerically in units proportional to its applied pulses. See also COUNTER, RECIPROCATING and COUNTER, ROTATING.

TRANSMITTER,RATE OF FLOW

TRANSMITTER,RATE OF FLOW AND CONSUMPTION

VALVE ASSEMBLY,NEEDLE,COMPRESSED GAS LINE

An item consisting of two needle valves together with inlet connection and mounting plate or bracket which form an integral unit. It is used for controlling the flow of compressed gases.

RECORDER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a recorder, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

METER,AIR VELOCITY

An item which measures the velocity of air by means of a single moving vane coupled to a pointer which indicates air speed directly. It may also be used to measure static and/or total pressure.

INDICATOR-TRANSMITTER,RATE OF FLOW

An indicator-transmitter which transmits and remotely indicates the rate of flow of a fluid in a confined space such as a duct. It includes the components INDICATOR, RATE OF FLOW properly wired to a TRANSMITTER, RATE OF FLOW, which is actuated by a differential pressure measuring device.

GAGE,GAS FLOW

A gage designed to indicate the cubic feet or liters per minute of gases passing through the gage.

GAGE,GAS FLOW,METALIZING

A gage used in metalizing to show the proper balance of oxygen and fuel gas mixture by means of two floating balls in two glass tubes. The relative position of the two balls is predetermined and is maintained by regulating the fuel pressures. Excludes GAGE, GAS FLOW.

TACHOMETER,ELECTRIC,NONSELF-GENERATING

A tachometer which functions by measuring the rate (dwell) of the opening and closing of the contact points. Suitable for use with magneto or battery ignition systems. Powered by self-contained batteries. Excludes TACHOMETER, ELECTRONIC; TACHOMETER, STROBOSCOPIC and TACHOMETER, VIBRATING REED.

GAGE,LIQUID QUANTITY,FLOAT TYPE

A gage which indicates and measures the amount of liquid in a tank, vessel, chamber or the like.

TEST SET,FLOW RATE INDICATING METER,FIELD TYPE

A unit designed to measure and check the rate of flow of liquid metering equipment in the field.

REGULATOR,PRESSURE,MEDICAL GAS ADMINISTRATION APPARATUS

A precision device designed to accept compressed medical gas from a cylinder and to deliver it to the administration apparatus at a safe pressure which is automatically maintained. It is usually furnished with a gage to indicate pressure in the cylinder and it may have a flowmeter to measure the volume of gas delivered.

GLASS,LIQUID SIGHT INDICATOR,FLAT

An item designed to be attached to the liquid chamber of an INDICATOR, SIGHT, LIQUID permitting the visual examination of the amount of liquid in a reservoir, pipe or the like.

GENERATOR,TACHOMETER

A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.

METER,IMPELLER TYPE,LIQUID

An instrument designed to measure liquid volume by means of a propeller or turbine type impeller which rotates in the fluid in direct ratio to the amount of fluid flowing through the meter.

SHAFT ASSEMBLY,FLEXIBLE

An item consisting of a casing with fittings and attachments on each end and a spirally wound wire core with formed end(s) and/or crimped on end fittings. It is designed to transmit rotary motion around bends from a motor or other power source to drive various types of equipment, such as tachometers, speedometers, remote controls, instruments, and the like, which are located at an angle and/or distance from the power source. See also CONTROL ASSEMBLY, PUSH-PULL.

CONTROL,RATE OF FLOW,LIQUID

A flanged valve-like device, incorporating a venturi tube with a recovery cone, designed to be installed in a pipeline for continual predetermined control of a liquid flow by means of a vane which is actuated by a floating piston controlled by the setting of a movable weight on a rate beam. The vane moves transversely to the axis of flow. May include rate of flow indicator and/or loss of head gage.

COMPENSATOR,LIQUID QUANTITY GAGE

A tubular electrostatic sensing element, similar in principle to a capacitor type liquid quantity transmitter, designed to be installed in a tank to reduce the adverse effects of liquid variations, such as: density, temperature and composition, in a capacitor type liquid quantity gage system.

VENTURI METER

A tube whose internal surface includes two truncated cones connected to each other at the small ends by a very short cylinder. It is installed in fluid pipe lines and is normally used to measure the flow of liquid. It may include pressure indicators and/or connections.

ACCELEROMETER,ELECTRICAL,ANGULAR

An accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the angular movement of the object to which it is attached, or of which it is a part.

ACCELEROMETER,ELECTRICAL,LINEAR

An accelerometer which produces an output current directly equated to the rate of velocity change in its inherent line of sensitivity related to the direction of the foward movement of the object to which it is attached, or of which it is a part.

GAGE ROD,LIQUID LEVEL

A thin metal strip, of various cross-sectional shapes, having graduations on one end and a handle on the opposite end. It is designed to be inserted into an engine, pump, or compressor crankcase, transmission, gearcase, fuel tank, or the like, to determine the level of the liquid. For a gage rod with an integral cap, or breather, see GAGE ROD-CAP, LIQUID LEVEL, and GAGE ROD-BREATHER, LIQUID LEVEL. For items designed to measure the liquid level of bulk petroleum tanks, see GAGE STICK, PETROLEUM.

GAGE ROD-CAP,LIQUID LEVEL

A thin metal strip, of various cross-sectional shapes, having graduations on one end and must have a cap on the opposite end, and may have a handle. It is designed to be inserted into an engine, pump, or compressor crankcase, transmission, gearcase, fuel tank, or the like, to determine the level of the liquid. For items with an integral breather, see GAGE ROD-BREATHER, LIQUID LEVEL and items without a cap or breather, see GAGE ROD, LIQUID LEVEL. For items designed to measure the liquid level of bulk petroleum tanks, see GAGE STICK, PETROLEUM.

GAGE ROD-BREATHER,LIQUID LEVEL

A thin metal strip, of various cross-sectional shapes, having graduations on one end and a breather on the opposite end. It is designed to be inserted into an engine, pump, or compressor crankcase, transmission, gearcase, or the like, to determine the level of the liquid. For items with a cap, see GAGE ROD-CAP, LIQUID LEVEL and items without a cap or breather, see GAGE ROD, LIQUID LEVEL. For items designed to measure the liquid level of bulk petroleum tanks, see GAGE STICK, PETROLEUM.

HOUSING,GAGE

HOUSING,INDICATOR

CASE,PETROLEUM TESTING AND MEASURING KIT

A case which is specifically designed to hold the component parts of a TESTING AND MEASURING KIT, PETROLEUM.

FLOAT AND ROD,FLOWMETER

An item consisting of two assembled parts which, by rising and descending within a gage in response to a rate of flow,indicates on a graduated scale the volume of flow.

TACHOMETER,ELECTRONIC

A tachometer using solid state and/or vacuum tube circuitry.

REGULATOR,OXYGEN,BAROMETRIC DEMAND

A regulator designed to deliver breathing oxygen in amounts automatically adjusted in accordance with complete altitude requirements (0 to highest manned aircraft altitude) when the user inhales. See also REGULATOR (1), OXYGEN, DEMAND.

COUNTER,RECIPROCATING

An instrument designed to register and total numerically the movements of a ratchet, actuated by means of a reciprocating lever or plunger. It may have a fixed type mounting or designed to be hand held. Excludes NUMBERING MACHINE (as modified).

COUNTER,ROTATING

An instrument actuated by means of a rotating shaft and designed to register and total numerically in units proportional to one complete revolution of its shaft. It may have a fixed type mounting or designed to be hand held. See also COUNTER, ELECTRICAL.

PARTS KIT,FLOW RATE METER

PARTS KIT,SIGHT INDICATOR

SAMPLING AND GAGING KIT,PETROLEUM

A group of items such as sampler, oil gaging tape, plumb bob, water indicating paste, thermometers, and hydrometers for sampling, water finding, and determining the quantity of petroleum fuels.

METER KIT,FLOW RATE INDICATING

A group of items such as a case, meter body, base, tubes, floats and hose connector for providing visual indication of flow rate over a broad range of liquid, gas and vapor capacities.

PARTS KIT,SWITCH,LIQUID LEVEL INDICATOR

STRAIGHTENER,LIQUID FLOW

An item consisting of a definite length of tubing with components that form a connection on each end. It is designed to be used in conjunction with a METER, IMPELLER TYPE, LIQUID. It may have a built-in swirl eliminator and/or pressure tap.

PLATE,DEFLECTION,LIQUID LEVEL INDICATOR

A component of a liquid level indicator that actuates when a variation in pressure is received. In motion, this component changes the position of an attached magnet causing a rotation of a spiral armature that drives a pointer over a scale.

CALIBRATOR,ACCELEROMETER

A device specifically designed to plot acceleration calibration curves. May be of either automatic or manual operation type.

FIFTH WHEEL,VEHICLE,SPEED AND DISTANCE MEASURING

A device designed for attaching to a vehicle for the purpose of checking the accuracy of speed and distance traveled. It may include component parts such as a drive source, speed/distance transducers and speed/distance readout. Excludes FIFTH WHEEL ASSEMBLY.

FLOAT,SIGHT INDICATOR

An item which by rising and descending within a gage tube indicates the level of a liquid in a reservoir.

METER-RECORDER,TIME-SPEED-DISTANCE

An instrument designed to measure and record the time, speed, and distance traveled of a motor vehicle. It may also record the revolutions per minute of the engine. Excludes METER, TIME TOTALING.

SWITCH,LIQUID LEVEL

A switch which is actuated by a float or sensing device(s) to control liquid level and/or actuate visual or audible warning systems. It may include a relay controlled by the switch element. Excludes TRANSMITTER,LIQUID QUANTITY.

FLOAT,METER,FLOW RATE INDICATING

An item which, by rising and descending within a gage tube in response to a rate of flow, indicates on a graduated scale the volume of flow.

FLOAT,SWITCH,LIQUID LEVEL

A buoyant item of various shapes and sizes, usually used in conjunction with another item such as a stem or rod to actuate a switch.

CAP,METER,FLOW RATE INDICATING

A cap having inlet and/or outlet port(s) designed to mate with the end(s) of a metering tube.

SHIELD,SAFETY,METER,FLOW RATE INDICATING

An item specifically designed to protect the operator from accidental explosions while operating the gage.

SHIELD,GAGE,SIGHT,LIQUID INDICATOR

An item which is a component of a water gage glass set. It is specifically designed to serve as a protection on the steam-water side of the gage glass.

PARTS KIT,FLOAT TYPE LIQUID QUANTITY GAGE

METER,FLOW RATE INDICATING

An instrument for measuring the rate of flow of a fluid through a pipeline. This measurement is indicated on a graduated scale either by means of a float confined in a tube, or pointer connected to a vane, or piston and spring or the like. Excludes METER, FLUID FLOW INDICATING, DIFFERENTIAL PRESSURE; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; and METER, FLUID FLOW INDICATING, ULTRASONIC.

REGULATOR-GAGE,SUCTION APPARATUS

A device designed to maintain and record the vacuum level of suction being provided to a bedridden patient.

TUBE,METERING

A tapered item designed specifically for visually measuring the flow rate of liquids and gases under varying conditions. It may or may not have reference or indicator markings. Excludes TUBING, GLASS.

TEST SET SUBASSEMBLY,MOTION MEASURING EQUIPMENT

TEST SET,ELECTRICAL TACHOMETER

A test set primarily designed for use in measuring the high speed voltage output and low speed voltage output of a electrical tachometer, at a given rate of speed.

SPEED SENSOR,TURBINE ENGINE

An item consisting of a toothed wheel, mounted on a turbine engine compressor, rotating in the magnetic field produced by the magnet of a sensor. When the teeth pass the magnet, the gap changes, hence the magnetic field which generates an electro-motive force within the solenoids the electric signal is transmitted to an indicator. The item is specifically used to measure the rotation speed of a turbine engine shaft.

PICKUP,MAGNETIC,MOTION MEASURING EQUIPMENT

An item used to record magnetic field variations generated by the teeth of aitem generally a wheel passing through the gap magnet of the sensor. The signals produced allow to measure the rotating speed of the wheel.

INDICATOR,MULTIPLE,FUEL

An item which presents information from a fuel gauging system such as the remaining quantity, the quantity that was used, and the like.

INDICATOR SET,LIQUID QUANTITY

Instrumentation which consists of a master indicator and a repeater indicator which displays the amount of liquid contained in a tank, vessel, and the like. Excludes INDICATOR, LIQUID QUANTITY.

TRANSDUCER,VELOCITY,ANGULAR

An item which translates angular velocity of a machine rotating element and provides an electrical signal for application to equipment such as emittor, indicator, recorder and the like.It does not include the equipment.Excludes:TRANSDUCER, MOTIONAL PICKUP.

ACCELEROMETER ASSEMBLY,ELECTRICAL

Two or more independent ACCELEROMETER (1), ELECTRICAL (as modified) mounted on a common mounting.

INDICATOR SUBASSEMBLY,RATE OF FLOW

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, RATE OF FLOW, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,ELECTRICAL TACHOMETER

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, ELECTRICAL TACHOMETER, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

TRANSMITTER SUBASSEMBLY,RATE OF FLOW

Two or more different types of items having a common mounting or mounted on each other which together form a portion of a TRANSMITTER, RATE OF FLOW, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

INDICATOR SUBASSEMBLY,LIQUID QUANTITY

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, LIQUID QUANTITY, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

MAGNETIC PICKUP,TRANSDUCER

An item designed to provide accurate data for a TRANSDUCER, (as modified), which is used to supply information to a TACHOMETER, (as modified).

ADAPTER,STATIC TUBE TO CASE SECTION

An adapter specifically designed to adapt a static tube to a case section.

PROTECTOR,STATIC TUBE

An item designed to provide physical protection for a STATIC TUBE.

STATIC TUBE SUBASSEMBLY

A collection of two or more different components of a STATIC TUBE having a common mounting or mounted on each other, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

VELOCIMETER

A specially designed item which provides continuous operational switching as a result of velocity when inserted in an electrical circuit of a body in motion. A method is incorporated for manually pre-setting a velocity which determines the range within which a switching function is performed. Additional switching is performed when the velocity is not within the preset range. It may include an accelerometer, digit assembly, integrating system, and associated switching circuits. For items designed to sense the rate of change of velocity (acceleration), see ACCELEROMETER (as modified).

ADAPTER,SPEEDOMETER-TACHOMETER DRIVE

An adapter designed to attach the speedometer or tachometer drive shaft to the vehicle transmission, engine, or the like.

BASE,STATIC TUBE

An item designed to serve as the base for a STATIC TUBE. It is equipped with the necessary facilities required to mate the static tube to the surface of an aircraft, guided missile, rocket, or the like, or to an adapter installed on these surfaces. Excludes ADAPTER, STATIC TUBE TO CASE SECTION.

PROBE,STATIC TUBE

The forward portion of a STATIC TUBE which contains opening(s) required to receive the barometric pressure of the atmosphere.

TESTER,AIRFLOW,GAS-PARTICULATE FILTER UNIT

A portable, self-contained unit designed to measure the airflow rate at the outlet(s) of gas-particulate filter units. Includes connection adapters to enable testing of different types of gas-particulate filter units.

TACHOMETER SUBASSEMBLY

Two or more different items having a common mounting or mounted on each other which together form a portion of a TACHOMETER (as modified), but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

METER,FLUID FLOW,ELECTROMAGNETIC

An instrument designed to measure the rate of flow through a pipeline. The meter determines and displays the rate of flow by measuring changes to its magnetic field generated by the fluid flow (the fluid must be susceptible to a magnetic field.) Excludes: METER, FLUID FLOW INDICATING, DIFFERENTIAL PRESSURE; METER, FLOW RATE INDICATING; and METER, FLUID FLOW INDICATING, ULTRASONIC.

METER,FLUID FLOW INDICATING,ULTRASONIC

An instrument designed to measure the rate of flow through a pipeline. The meter determines and displays the rate of flow by the measuring the change of ultrasonic frequency generated by the fluid flow. Excludes: METER, FLUID FLOW INDICATING, DIFFERENTIAL PRESSURE; METER, FLOW RATE INDICATING; and METER, FLUID FLOW INDICATING, ELECTROMAGNETIC.

GLASS,LIQUID SIGHT INDICATOR,ROUND

A tubular item of glass which may have reference and/or indicator markings which permits the visual examination of the amount of liquid in a tank or reservoir, pressure vessel, still, pipe tubing line and the like. Is part of an INDICATOR, SIGHT, LIQUID.

VANE,ROTARY,LIQUID METER

A flat or curved item designed to be mounted on the rotor or impeller of a liquid meter such as METER,VOLUMETRIC POSITIVE DISPLACEMENT,LIQUID; METER,IMPELLER TYPE,LIQUID and the like.

CALIBRATOR,LIQUID METER

A mechanical or electronic device that is adjusted to change the value given by the indicator to a value within minimum acceptable deviation from a standard It functions by modifying the output of a meter prior to reaching the indicator. It may function automatically or require manual adjustment.

CALIBRATOR SUBASSEMBLY,LIQUID METER

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a liquid meter adjusting device, but which in itself is not a complete functioning item and cannot be assigned a definite item name.

RETROFIT KIT,LEVEL SENSOR ASSEMBLY

A kit consisting of items such as Level Sensor Assembly, Cover Gasket, Cord Connector, Assembly Gasket, Lock Nuts and Instruction Sheet.

MONITOR,OIL CONTAMINATION

Used for continuous and accurate monitoring of water in oil contamination, including lubrication oils, fuels and hydraulic oils, diesel and any oil based chemical. Provides online water reporting for all types of engine fuel or lubrication, pipelines, turbines, thrusters, azipods, gears, separators, vacuum oil dehydrators, basket type oil centrifuges, high speed purifiers and various filtration systems and stablilizer with a means of continuous monitoring of the oil systems for possible water in oil contamination.

SPEEDOMETER-TACHOMETER KIT

A combination of instruments which measures and displays the instantaneous velocity of a vehicle and measures and displays rotational speed. May or may not include connection wiring.

SENSOR,MAGNETIC,FLUID FLOW EQUIPMENT

An item used to record magnetic field variations generated by fluid passing through the gap magnet of the sensor or other system. The signals produced measure the flow of fluid. It is part of METER,FLUID FLOW,ELECTROMAGNETIC.

ODOMETER,HUB

A device mounted on the axle of an automobile or other land vehicle that measures distance traveled. The whole device rotates with the wheel except for an eccentrically mounted weight on an internal shaft. They are needed on semi-trailers where they are the only means of measuring distance traveled over the lifetime of a tire or the trailer.

POLYGRAPH INSTRUMENT SUBASSEMBLY

Two or more different types of items having a common mounting or mounted on each other, which together form a portion of a polygraph instrument, but which in itself is not a complete functioning item and cannot be assigned a more specific item name.

INDICATOR ASSEMBLY

A grouping of two or more physically connected or related indicators, which may or may not have the same basic noun name. They must be separable and each item must be capable of functioning in accordance with its own item name.

CONTROL-POWER SUPPLY

A component which performs the dual function of controlling the operation of and supplying power to one or more associated components.

HOLDER,JEWEL BEARING

PANEL,INDICATOR

A panel designed for indicating purposes only. It does not distribute power nor control the equipment with which it is used. See also PANEL, POWER DISTRIBUTION; SWITCHBOARD, POWER and INDICATOR ASSEMBLY.

CASE,LAMP

A case specifically designed to hold one or more lamps.

REGISTER,METER

A part of a meter which consists of the dials, counters, and their attendant mechanism for indicating and totalizing the quanity measured.

GAGE,ALTITUDE AND PRESSURE,DIAL INDICATING

A combination instrument designed to measure and indicate, on one dial, the height of water, above the instrument, in tanks, reservoirs, hot water heating systems, stand pipes, and other similar systems and the corresponding pressure of the water.

GAGE,ALTITUDE AND TEMPERATURE,DIAL INDICATING

A combination instrument designed to measure and indicate, on one dial, simultaneously, and by separate scales, both the temperature of water and the height of water above the instrument in hot water systems, may also include a scale to indicate pressure in relation to altitude.

METER,WIRE AND CABLE MEASURING,DIAL INDICATING

An instrument designed for lineal measurement of wire, cable, cordage and the like, by passing the material between self-adjusting rollers. The movement of the rollers actuate a rotating pointer or pointers on a dial or dials. Excludes counters and registers.

POLYGRAPH INSTRUMENT,RECORDING

An electro-mechanical device which graphically records simultaneous changes in blood pressure, respiration, pulse rate, and the like. The resultant recording is interpreted by a trained examiner who evaluates the response patterns.

MICROMETER,ELECTRONIC,MUTUAL INDUCTANCE

One or more components, specifically designed for measuring and indicating and/or recording very small linear distances in air or across nonmetallic materials by mutual inductance variation or variation in self-inductance, these properties being essentially a linear function of distance from a reference metallic surface to an inductance probe.

CONTROLLER,FLUID PURITY

A device designed for controlling fluid purity by stopping the flow of fluid below a preset valve. It may include a recorder and/or indicator.

TRANSMITTER,POSITION

SAMPLER,BUTTER-CHEESE-LARD

An item with or without a cutting edge suitable for taking samples of butter, cheese, and/or lard to be used in food inspections.

SAMPLER,MEAT

SAMPLER,GRAIN

INDICATOR,POSITION

An instrument that displays the relative position of a remote movable structure.

SAMPLER,LIQUID

An item specifically designed for collecting liquid samples from the bottom or any intermediate level of a liquid body.

BEZEL,INSTRUMENT MOUNTING

An item, usually in the form of a flanged rim, designed to fit over the front of a dial instrument to secure it in place in an instrument panel, or the like.

PLATE,EGG TESTING

DYNAMOMETER,RUN-IN

A mechanical device used for running-in new and rebuilt internal combustion engines under load prior to their applicable installation by simulating actual load conditions and applying them to the engines. It employs a closed hydraulic turbine torque absorption system, and includes a tachometer, intake manifold vacuum gage, temperature gage, and indicator plate for valve operation. Excludes DYNAMOMETER, VEHICLE CHASSIS, SINGLE DRIVE.

RECORDER,FREQUENCY-TIME

A single component specifically designed to make a permanent representation of the frequency of an incoming signal and the time at which it was received.

CONTROL,INDICATOR

CONTROL,RECORDER

CONTROL,RECORDING SET

An item which controls the mode of operation of a recording set.

METER,FREQUENCY AND TIME TOTALIZING,ELECTRICAL

An electrically operated instrument consisting of two or more independent meter movements, within a common housing, one of which must conform to METER, TIME TOTALIZING, the other(s) to METER, ELECTRICAL FREQUENCY, utilizing the vabrating reed method of indicating electrical frequency. For items consisting of two or more independent meter movements, whose pointers traverse a common dial, see METER, ELECTRICAL, MULTIMOVEMENT.

TEST STAND,DEMAND OXYGEN REGULATOR

An apparatus designed to test demand type oxygen regulators for flow capacities, oxygen concentration and pressure characteristics at the desired altitudes.

CANDLER,EGG

INDICATOR,SYMBOL INDICATING

An electrically operated indicator, consisting principally of a cylindrical rotating card, or the like, which exhibits symbols or markings before a single window in a case. Excludes indicators having graduated scale dials. Also excludes INDICATOR, DIGITAL DISPLAY&#59; INDICATOR, POSITION&#59; and INDICATOR (as modified).

LIGHT,INSTRUMENT

A compact, sealed, electrical component, specifically designed to supply direct illumination for reticles in optical instruments, dials and/or scales and level vials on mechanical devices. May include battery source, filters, cables and controls for intensity of illumination. Provides method of securing. Excludes LIGHT, PANEL. Do not use if a more specific name exists.

DYNAMOMETER,VEHICLE CHASSIS,SINGLE DRIVE

A mechanical device used to test motor vehicle performance by placing the vehicle's driving wheels on drive rollers and simulating actual driving load conditions. Consists of all, or part of the following components: instrument cabinet, chassis, engine cooling system, and auxiliary idler rolls. Excludes DYNAMOMETER, RUN-IN.

LIGHT CONDUCTOR,INSTRUMENT ILLUMINATION

A straight or bent rod that has both ends polished. It is made of lucite, plexiglass, or the like. It conducts illumination from an instrument light or built-in electrical light source to a given area of an instrument. It may or may not be protected by a metal tube or other casing.

GUIDE,POULTRY AND SHELL EGG GRADING

HOUSING,GAGE

HOUSING,INDICATOR

BAG,FOOD SAMPLE

A liquid tight, nontoxic, sealed, scored, sterile, plastic container which is temporarily sealed and can be opened to accept samples of milk, water, and food and then resealed.

ANALYZING KIT,MEAT FAT CONTENT

A collecion of items used in determining the fat content of meat. It consists of such items as heating units, test tubes, funnels, and the like. The percentage of fat content is made by comparing the fat extract of the meat with a standard sample.

METER,VEGETATION WEIGHT

An item having an indication device designed to estimate the weight of standing non-woody vegetation. The vegetation may be weighed in either a green or dried state

DETECTING AND TRACING SET,METAL

A portable, electrically operated energizer/transmitter and receiver used to locate and trace concealed wire, pipe, cable or other metallic structures by audible signal and/or meter.

DYNAMOMETER,WEIGHT INDICATOR,CRANE

An item designed to provide constant monitoring of load parameters to prevent overloading, when installed on a crane. It consists of a hydraulic cylinder and an indicator.

CASE,ELECTRICAL-ELECTRONIC TEST AND MEASURING EQUIPMENT

A case specifically designed for electrical-electronic test and measuring equipment. It may be designed to protect against shock and vibration.

INTERFEROMETER

An item to produce and display interference between two or more wavetrains. It measures specimen, light waves, and coherency of a beam of light.

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

MONITOR,BATTERY,SUBMARINE

An item designed to predict the health of one or more propulsion batteries by tracking various battery parameters, such as cell specific gravity, cell temperature, cell voltage, cell liquid level, overall battery voltage and/or overall battery discharge current. The item may also calculate remaining run time, discharge graph and cell parameter distrubution curves.

DETECTING ELEMENT,METAL

An item specifically designed as a replaceable element for a DETECTING AND TRACING SET, METAL.

PANEL,CALIBRATOR,DIVING EQUIPMENT

A self contained unit used to determine the proper operating range characteristics of a diving set. It may include items such as gauges, indicators, flowmeters, press gauges valves, various hoses and connectors.

MEASURING SET,LIGHT INTENSITY

A group of items used to measure and record light levels.

BEZEL,WINDOW MOUNTING

An item usually in the form of a ring, designed to fit on the front of an instrument to secure the window material of the instrument. See also BEZEL,INSTRUMENT MOUNTING.

DYNAMOMETER,MECHANICAL

An instrument designed to measure mechanical forces.It consists of a fixed end and a spring loaded movable end fitted with rings, hooks and/or lever the movable end may be directly connected to an indicator pointer of a scale calibrated in units of forces or to an amplifying mechanism and a graduated dial.

DYNAMOMETER,ELECTRONIC

An instrument designed to measure mechanical forces.It consists of a fixed end and a movable or deformable end fitted with rings, hooks and/or lever the displacement or the deformation is electronically transmitted to a digital display.It may include a measuring amplifier or probe, an analogic/digital converter and a digital display.

METER,ILLUMINATION INTENSITY

An item designed to measure and indicate the illumination intensity.

SAMPLING KIT,LIQUID

A collection of items such as sampler, analysis monitors, valves, adapters, and the like, designed to collect samples of liquids for contamination analysis. See also SAMPLER, LIQUID.

PENDULUM,CLOCKWORK

The momentum wheel of clocks and watches. It is coupled with a spiral spring to serve as an oscillator and a regulating component owing to its isochronous oscillations.

TRANSDUCER,PRESSURE,FLUID-HYDRAULIC

An instrument that senses, measures and converts pressure of a hydraulic fluid into electrical signals. The item contains at least one (1) input pressure port and one (1) electrical output connection. The instrument may measure absolute, differential or gage pressure. The sensor may be of the piezoresistive diaphragm, diaphragm with semiconductor strain gage, or foil strain gage construction. Electrical output may be direct or alternating current.

INCLINOMETER,VEHICULAR

An inclinometer, usually activated by gravity and usually graduated in degrees, which is used on a vehicle.

SCANNER,CONTROL AND MONITORING

An electronic item used to monitor and control functioning parameters (pressure, temperature, torque, pitch, and the like) of installations like power units, ship propulsion shafts, engines, and the like. It is controlled by microprocessors which allow acquisition and automatic processing of output signals from sensors connected to these units. It can be used with other similar items to constitute a control system to monitor simultaneously several functioning items.

INDICATOR,FILTER WARNING,AIRCRAFT AIR CONDITIONING SYSTEM

An air pressure item used on an aircraft air conditioning system to provide a visual warning signal when a filter needs cleaning or changing.

DECELEROGRAPH

An instrument which senses, measures and records deceleration during vehicle braking.

CALIBRATION SET,PRIMARY REFERENCE STANDARDS

A complete set consisting of two or more items or groups of items which are designed to provide different fields of calibration standards, such as dimensional measurements, physical properties and the like. It is used to determine by comparison, the accuracy of components of CALIBRATION SET, SECONDARY REFERENCE STANDARDS. For sets which provide standards for a single field of measurement use specific application names, such as ELECTRICAL STANDARDS SET.

CALIBRATION SET,SECONDARY REFERENCE STANDARDS

A complete set containing two or more items or groups of items which are designed to provide different fields of calibration standards, such as dimensional measurements, physical properties and the like. It is used to determine by comparison, the accuracy of components of CALIBRATION SET, SECONDARY TRANSFER STANDARDS. For sets which provide standards for a single field of measurement use specific application names such as ELECTRICAL STANDARDS SET.

CALIBRATION SET,SECONDARY TRANSFER STANDARDS

A complete set containing two or more items or groups of items which are designed to provide different fields of calibration standards, such as dimensional measurements, physical properties and the like. It is used to determine by comparison, the accuracy of field standards. For sets which provide standards for a single field of measurement use specific application names such as ELECTRICAL STANDARDS SET.

INDICATOR,LIQUID QUANTITY-PRESSURE GAGE

A single inseparable unit consisting of an INDICATOR (1), LIQUID QUANTITY and a GAGE, PRESSURE, DIAL INDICATING. Excludes GAGE UNIT, ENGINE.

JEWEL AND SCREW ASSEMBLY

METER MOVEMENT

That part of an electrical meter which translates electrical energy into mechanical energy, the value of which is usually indicated by a pointer moving across a calibrated dial.

RECORDER,LIGHT-TIME

An item for making a permanent representation of light intensity and elapsed or residual time.

TRANSDUCER,MOTIONAL PICKUP

An item that translates linear displacements of a gas, liquid, or solids into comparable electrical signals for application to equipment, such as telemetric data transmitting set, indicator, recorder, dual air data sensors, and the like. Item can measure pneumatic pressures from pitot impact, pitot-static, and static pressure ports with sensors and convert the pressures to electrical signals. Does not include mechanical linkage, amplifier, or indicator. Excludes sensitive switches and other items that operate on an on-off principal, synchros, and potentiometric type computer devices. See also TRANSMITTER (as modified) and TRANSDUCER, SUPERSONIC TEST.

TOTAL SHIP MONITORING SYSTEM

A system designed to analyze, display and record the outputs of hydrophones, accelerometers and designated shipboard systems. The functions include continuous monitoring of radiated noise estimation. The system also monitors and performs analysis of designated machinery. EXCLUDES: SCANNER,CONTROL AND MONITORING

THERMOMETER-ANEMOMETER

An apparatus having the dual function of a THERMOMETER, SELF-INDICATING, DIGITAL and an ANEMOMETER. May include accessories.

ELECTRONIC MAINTENANCE DEVICE

A portable multifunctional item used to display electronic technical manuals, engage interactive electronic technical manuals and perform examinations of various electrical characteristics such as voltage and resistance measurements. When grouped with other instruments, specialized electrical examinations may also be made. These include, but not limited to, (1) radio requency spectral analysis, frequency measurements and other measurements and (2) the ability to generate audio and radio frequencies or other stimuli. May include the ability to analyze diagnostic data captured from various equipment, weapon platforms or from a separate test apparatus. Includes the capability for human interaction which may be realized with a keypad or fully functional keyboard. Includes a display screen or interactive display screen. May be reprogrammable and may also include various accessories and/or various software. May include the ability to receive and transmit data via a wireless network.

COMPASS,MAGNETIC-INCLINOMETER

An apparatus having the dual function of a COMPASS,MAGNETIC (as modified) and an INCLINOMETER (as modified). May include accessories.

COMPUTER,HYDRAULIC MONITORING AND MANAGEMENT SYSTEM

A computer which monitors and manages a complex hydraulic system in an aircraft, boat, vehicle, or the like. It may provide signals and warning from hydraulic circuits and control or manage the various hydraulic systems such as pumps, tanks, cylinders, servovalves and the like.

MEASURING INSTRUMENT,MULTI-FUNCTION

A multi-function instrument designed to measure different parameters such as speed, temperature, humidity, airflow and the like by appropriated probes addition. These probes are automatically recognized when connected and are fully interchangeable. It may include accessories.

REMOTE CONTROL,INSTRUMENT-EQUIPMENT

A wired or wireless transmission device that provides remote control for equipment or instrument by pressing buttons mounted on the device. Excludes REMOTE CONTROL,HANDHELD,UNIVERSAL; REMOTE CONTROL,HANDSET,TELEVISION; REMOTE CONTROL HANDSET,VIDEO and REMOTE CONTROL RADIO DEVICE,HANDHELD.

COMPUTER SYSTEM,SPECIAL PURPOSE

One or more computers and all the associated software and peripheral hardware, designed to perform a specific task. Do not use if a more specific name applies.

COMPUTER,SPECIAL PURPOSE

One or more computers which may or may not have one or more associated software designed to perform one or more specific tasks. For a computer not designed for a specific task, see COMPUTER DIGITAL. Do not use if a more specific name applies.

LOAD MEASURING,PIN

An axle mounted in place of a normal axle on a machine, on a hoisting unit on a chairlift, and the like, to measure loads or forces to prevent overloads.

CALIBARATION SET,WORKING STANDARDS

A complete set containing two or more items or groups of items which are designed to provide different fields of calibaration standards, such as dimensional measurements, physical properties, capacitance, inductance, resistance, voltage, and the like. It is used for the calibration of commericial and industrial measurement equipment. For sets which provide standards for a single field of measurement use specific application names such as ELECTRICAL STANDARDS SET.

COMPUTER,METEOROLOGICAL DATA

A computer which utilizes a power driven mechanism and/or electronic or electrical circuits to mathematically process received information to determine meteorological data. May include a recorder.

COMPUTER,VISUAL DISTANCE

A computer for determining the distance that can be seen by an observer, such as an aircraft pilot, to a predetermined point, such as the approach end of an airport runway. It is a component of a meteorological system for establishing criteria during the approach phase of an instrument landing under marginal or zero visibility conditions. See also COMPUTER, AIR TRAFFIC CONTROL.

COMPUTER,ZONE WIND

A computer which utilizes a power driven mechanism or electrical circuits in order to compute two or more wind features such as direction and velocity within various altitude zone levels. The thickness of each zone level is selected at the option of the operator and is determined by the tactical application of the computed data. May include accessories. See also COMPUTER, AIR DATA.

MODULATOR,RADIOSONDE

An item consisting of elements which are sensitive to atmospheric changes and which is primarily designed to vary the amplitude, phase, and/or frequency of a signal generated by a radiosonde transmitter.

RAWIN SET

A grouping of mechanical, electrical and electronic components which, operated together, utilize radio direction finding principles to track a radiosonde or radar target in its trajectory, permitting the indication and/or recording of the elevation and azimuth angles of the balloon with respect to fixed reference points. Used for determining direction and speed of winds aloft by triangulation.

TRANSMITTER,RADIOSONDE

A component which generates electrical signals of the proper frequency and form, which when applied to an antenna will propagate radio frequency electromagnetic waves into space and is designed to be used with associated equipment for automatically transmitting high altitude meteorological data from a balloon, kite, or rocket.

INDICATOR SUBASSEMBLY,ANEMOMETER

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an indicator anemometer, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

COVER,WIND DIRECTION AND SPEED INDICATOR GROUP

COVER,WIND SPEED RECORDER

PROPAGATION FREQUENCY EVALUATION SET

All the components and items required to operate a complete electronic system to determine the usable frequencies for transmission of electromagnetic waves via an ionospheric path.

RADARSONDE SET

A fixed number of components and/or items, not all having the same basic name, required for automatically measuring and transmitting high altitude meteorological data from a balloon, kite, or rocket by pulse modulated radio waves when triggered by a radar signal. See also RADIOSONDE SET.

RADIOSONDE SET

A fixed number of components and/or items, not all having the same basic name, required for automatically measuring and transmitting high altitude meteorological data by radio from such carriers as a balloon, kite, or rocket. See also RADARSONDE SET.

TRANSMITTING SET,AUTOMATIC,WEATHER

The components and items required to operate a complete electronic set for automatically measuring and transmitting weather data by radio. May include operating spares for such components and items as electron tubes and batteries.

PARACHUTE,METEOROLOGICAL

An item designed to have a predetermined rate of descent for meteorological equipment through air to the earth surface.

METEOROLOGICAL STATION,AUTOMATIC

A group of related items which automatically senses and measures meteorological parameters, and transmits the intelligence to distant receivers.

METEOROLOGICAL STATION,MANUAL

A group of items which senses and measures meteorological parameters as an aid in meteorological forecasting. Includes micrometeorological station. See also METEOROLOGICAL MEASURING SET.

METEOROLOGICAL STATION,SEMIAUTOMATIC

A group of related items which automatically sense, measure and record meteorological parameters as an aid in meteorological forecasting. The data recorded is not automatically transmitted.

BAROMETER,ANEROID

A barometer consisting of a pressure-sensitive element which contracts or expands in proportion to atmospheric pressure, connected through a linkage to a pointer. Its dial is graduated in units of pressure measurement (pounds per square inch, inches of mercury, millibars, and the like.) To indicate atmospheric pressure only.

BAROMETER,MERCURIAL

A barometer consisting of a column of mercury which rises and falls within a tube due to variations of atmospheric pressure.

ANEMOMETER

A self-contained item which senses, measures, and indicates the speed of the wind and/or total air movement. Excludes transmitting devices.

GAGE,PRECIPITATION

An item which collects and measures the depth of accumulated rain, snow, and/or sleet. It may be a direct reading type or may incorporate mechanism(s) for transmitting, recording and/or indicating the measurements over a specific time frame. The instrument may be heated and/or insulated to permit operations below freezing temperatures.

WIRESONDE SET

A group of related items which senses, measures, and transmits by wires to an indicator(s) and/or recorder(s) the values of meteorogogical parameters at any desired level in the lower layers of the atmosphere.

WIND DIRECTION SET

A group of related items which senses, measures, and indicates wind direction.

WIND MEASURING SET

A group of related items which senses, measures, indicates, and/or records wind direction and speed. See also AEROLOGICAL MEASURING SET.

BAROGRAPH

An item which senses, measures, and records atmospheric pressure. Excludes RECORDER, PRESSURE.

THERMOGRAPH

An item which senses, measures, and records the temperature of the atmosphere surrounding the sensing element. Excludes THERMOMETER, RECORDING, CAPILLARY TUBE AND BULB.

DETECTOR,CLOUD HEIGHT

The component of a CLOUD HEIGHT SET which scans, measures, and amplifies reflected energy from the clouds. It may include a telemetering device for remote recording.

PROJECTOR,CLOUD HEIGHT

The component of a CLOUD HEIGHT SET which projects visible light for use in determining the height of the cloud above the point of projection.

PROJECTOR,TRANSMISSOMETER

An item which projects visible light which is to be received by a RECEIVER, TRANSMISSOMETER, for the indicating and recording of atmospheric conditions.

CALIBRATOR SET,WIND SPEED TRANSMITTER

A group of related items which are used to check the accuracy of and/or calibrate a wind speed transmitter.

INDICATOR,WIND DIRECTION

An item which indicates wind direction from intelligence transmitted by a wind direction transmitter.

INDICATOR,WIND DIRECTION AND SPEED

An item which indicates wind direction and speed from intelligence transmitted by associated transmitters.

INDICATOR,WIND SPEED

An item which indicates wind speed from intelligence transmitted by a wind speed transmitter.

DETECTOR,WIND DIRECTION AND SPEED

An item which senses wind direction and speed and which produces reactions that can be interpreted and/or measured by other components. See also TRANSMITTER, WIND DIRECTION AND SPEED.

DETECTOR,WIND SPEED

An item which senses wind speed and which produces a reaction that can be interpreted and/or measured by other components.

DETECTOR,WIND DIRECTION

An item which senses wind direction and which produces a reaction that can be interpreted and/or measured by other components.

BARORESISTOR

An item in which electrical resistance values are varied as a function of atmospheric pressure. Generally consists of a barometric element mechanically linked to a resistance element which may be composed of fixed and/or variable resistors.

RECORDER,AEROGRAPH SET

The component of an AEROGRAPH SET which records the values of meteorological parameters that are received from associated transmitters.

RECORDER,CLOUD HEIGHT

The component of a CLOUD HEIGHT SET which records measurements for determining the height of a cloud.

RECORDER,WEATHER DATA

An item which records, or records and indicates data on one or more meteorological parameters as received from associated equipment. May record data on other parameters such as air speed, ground speed, latitude, longitude, used in connection with evaluating the meteorological data.

RECORDER,WIND SPEED

An item which records the values of wind speed received from an associated transmitter.

BALLOON,METEOROLOGICAL

A balloon designed to have a predetermined rate of free ascent when inflated with a specific volume of a lighter-than-air gas.

AEROGRAPH SET

A group of related items which is carried aloft and while aloft senses, measures and indicates and/or records two or more meteorological parameters.

RECORDING SET,WEATHER DATA

All the components and items required to convert and record meteorological and related data received from associated equipment.

TEMPERATURE ELEMENT,BIMETALLIC,METEOROLOGICAL

A temperature element consisting of two dissimilar metals having different coefficients of expansion.

TEMPERATURE ELEMENT,RESISTANCE,METEOROLOGICAL

A temperature element consisting primarily of a resistor whose electrical resistance varies proportionally with changes in temperature.

NOZZLE,METEOROLOGICAL BALLOON INFLATION

A nozzle specifically designed for inflating and weighing off a meteorological balloon.

SUPPORT,BAROGRAPH

SUPPORT,PRECIPITATION GAGE

SUPPORT,PSYCHROMETER

SUPPORT,THERMOMETER

SUPPORT,WIND DIRECTION AND SPEED DETECTOR

COMPUTER,ALTIMETER-PRESSURE

A computer which converts pressure altitude in feet to the corresponding atmospheric pressure in millibars.

COMPUTER,PRESSURE-ALTITUDE

A computer which converts atmospheric pressure in millibars to the corresponding altitude in feet.

PLOTTING BOARD,WINDS ALOFT

A plotting board specifically designed to make a plot of winds aloft.

PAPER,GRAPH

CASE,ANEMOMETER

CASE,BAROMETER

CASE,CLOUD HEIGHT PROJECTOR

CASE,KITE

CASE,MAST

A case specifically designed to hold a mast or a mast section(s).

CASE,METEOROLOGICAL EQUIPMENT

A case specifically designed to hold two or more items of meteorological equipment.

CASE,PLOTTING BOARD

CASE,THERMOMETER

CASE,WIRESONDE

WIND SOCK

A conical bag which is to be supported at its large end by a swivel or pivoted frame, and is used to indicate wind direction. Excludes INDICATOR, WIND DIRECTION and INDICATOR, WIND SOCK.

WEIGHT,WIND SPEED TRANSMITTER CALIBRATOR

A weight designed for use with a calibrator in checking the accuracy of a wind speed transmitter.

PSYCHROMETER

An instrument that senses, measures, and indicates the amount of relative humidity in the atmosphere. It consists of two liquid-in-glass thermometers, one of which is equipped with a wick. Air movement (aspiration) is effected by slinging the instrument about, by use of blower, fan or the like; or the instrument may be used with no forced circulation of air.

INDICATOR,WIND SOCK

A group of items consisting of a WINDSOCK and mounting facilities free to turn around a vertical support. The vertical support may be designed for mounting on a structure or upright pole, and may include lighting fixtures for illumination of the sock and/or obstruction warning. Excludes INDICATOR, WIND DIRECTION and WIND SOCK.

BAROSWITCH

An item which performs electrical switching functions by mechanical actuation resulting from changes in atmospheric pressure. Usually consists of an aneroid diaphragm mechanically linked either to a contact joint which opens and/or closes electrical circuits, or to a contact arm which slides over a commutator whose separate segments are connected to electrical circuits used in radio signal modulation. Excludes SWITCH, PRESSURE.

RECEIVER,COORDINATE DATA

A receiver specifically designed to accept the signal of a coordinated data transmitter and reconvert this signal into a form suitable for input to associated equipment, such as plotting board, computer, or a radar set. Excludes RECEIVER, DIGITAL DATA.

ALTIMETER-BAROMETER,ANEROID

A barometric type instrument consisting of a pressure-sensitive element which contracts or expands in proportion to atmospheric pressure, connected through a linkage to a pointer. Its dial is graduated in units of linear measurement (feet, meters, etc.) and units of pressure measurement (pounds per square inch, inches of mercury, millibars, etc.) to indicate both atmospheric pressure and differences of elevation.

TRANSMISSOMETER SET

All of the items required for the functioning of a complete electrical and electronic system for automatically projecting and receiving a light beam to indicate and record atmospheric conditions.

RECEIVER,TRANSMISSOMETER

An item which receives light energy from a PROJECTOR, TRANSMISSOMETER, and converts it into electrical energy in pulse form, the frequency of which is proportional to the light received.

SCALE,CONVERSION,PRESSURE-SPEED-TEMPERATURE

A sheet or strip of plastic or other material having scale markings and graduations designed for converting units of pressure altitude in inches to the corresponding atmospheric pressure in millibars, miles per hour to knots per hour to meters per second, and degrees Fahrenheit to degrees centigrade.

WEIGHT,BALLOON INFLATION NOZZLE

An item of determined mass designed to be attached to a balloon inflation nozzle in the weighing off process of a meteorological balloon.

RADIOSONDE BASELINE CHECK SET

A specifically designed case with the necessary components required to provide stable temperature and relative humidity conditions for the purpose of preconditioning radiosondes and making line checks prior to release.

INDICATOR-RECORDER,TRANSMISSOMETER

A component which performs the dual functions of presenting visual information from other components or sets and makes a permanent representation of information received from other components or sets.

GENERATOR,HYDROGEN

An apparatus that provides a method of producing hydrogen gas from liquids and/or solids by a chemical reaction. The item is manufactured in two types; the storage type in which the gas may be stored in the unit until required and the immediate consumption type in which the gas is used as it is produced. The equipment is not designed to charge storage containers. May include accessories.

GENERATOR SET,HYDROGEN

A group of related items consisting of two or more hydrogen generators which may be used independently or collectively by means of attachments, to produce various quantites of hydrogen gas.

ADAPTER,MAST

An item constructed to establish the necessary accommodations to connect two or more masts whose physical design or function will not normally warrant their connection.

TRANSMITTER GROUP,HUMIDITY-TEMPERATURE

An item which senses, measures, and transmits values of humidity and temperature to an indicator(s) and/or recorder(s).

TRANSMITTER,WIND DIRECTION AND SPEED

A transmitter which receives, modifies, and amplifies wind direction and speed data and transmits its value to remote synchro-operated indicators. See also DETECTOR, WIND DIRECTION AND SPEED.

RECORDER SUBASSEMBLY

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a recorder, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

METEOROLOGICAL STATION GROUP

A fixed number of components and/or items, not all having the same basic name, which are required for the performance of a complete specific operational function. May exclude certain operating components supplied separately or already present at the point of usage, that is a part of a METEOROLOGICAL STATION, AUTOMATIC; METEOROLOGICAL STATION, MANUAL; and/or METEOROLOGICAL STATION, SEMIAUTOMATIC.

THEODOLITE,METEOROLOGICAL

A telescopic instrument used in determination of wind direction and speed by optical tracking of free moving balloons. Two telescopes are generally provided, one for finding the object and the other for tracking. Sighting through the scopes is by means of right angle eyepieces. Vernier scales are used for fine reading of the horizontal and vertical circles. Some instruments are designed with auxiliary devices for plotting the observed positions at the time of observations. Illumination may be provided for observations at night. Excludes TRANSIT and TRANSIT, POCKET.

DISPENSER,RADIOSONDE SET

The component of a radiosonde set dispensing set in which the radiosonde sets are stored, and from which they are ejected, by use of the radiosonde set dispenser control and the relay assembly.

CONTROL-RECORDER,RAWIN SET

An item which has the dual functions of regulating the mode of operation of a rawin set and recording meteorological data.

CONSOLE,RADAR CLOUD DETECTING SET

A console specifically designed for components of a RADAR CLOUD DETECTING SET.

RADAR CLOUD DETECTING SET

A fixed number of components and/or items, not all having the same basic name, for the determination of the base and top altitude of clouds immediately above the equipment. May exclude certain operating components supplied separately or already present at the point of usage.

METEOROLOGICAL DATA DISPLAY SET

A fixed number of components and/or items, not all having the same basic name, which are required for the performance of a complete specific operational function. May exclude certain operating components supplied separately or already present at the point of usage which receives serial teletypewriter signals and displays the message until subsequent message is received.

CONTROL,LIGHT BEAM

A device which modulates the intensity of a beam of light directed at a photosensitive surface. The modulating action, however, does not completely close an aperture.

INDICATOR,CLOUD BASE AND TOP

An indicator which displays the base and top altitude of clouds.

DRIVE,SECTOR SCAN

An item which provides facilities for positioning in azimuth, and adjusting in amplitude, the sector scan display on the cathode ray tube indicator of a RADAR SET.

TRANSMITTER,WIND DIRECTION

A transmitter which receives, modifies, and amplifies wind direction data and transmits its value to remote synchro operated indicators. See also DETECTOR, WIND DIRECTION.

TRANSMITTER,WIND SPEED

A transmitter which receives, modifies, and amplifies wind speed data and transmits its value to remote synchro operated indicators. See also DETECTOR, WIND SPEED.

RECEIVING SET,RADIOSONDE

A complete set for intercepting, demodulating, and providing suitable output for indicating and/or recording meteorological data propagated by a TRANSMITTER, RADIOSONDE.

METEOROLOGICAL MEASURING SET

A group of items which senses, measures, and indicates wind direction and speed, atmospheric pressure, temperature and relative humidity, and may include rainfall and dew point temperature. See also METEOROLOGICAL STATION (as modified); and WIND MEASURING SET.

HOUSING,GAGE

TABLE,OBSERVER,METEOROLOGICAL DATA

An item having a sloping illuminated glass or plastic working surface, designed for use by weather observer in computing and recording meteorological data. It maybe furnished with a display panel(s) (bulletin board) and accessories.

COVER,PROTECTIVE,BAROSWITCH PORT

A rigid item designed to fit over baroswitch ports to prevent physical damage.

MEASURING STICK,PRECIPITATION GAGE

A measuring stick used to measure precipitation in a low capacity rain gage.

DETECTOR,ICE

A device designed to detect icing conditions and provide an ice warning signal when the ice accretion reaches a preset level. The device may also transmit an electrical signal which can be used to control operation of the ice protection system.

CLOUD HEIGHT INDICATOR SET

A group of related items which senses and indicates and/or records measurements for determining the height of clouds above the point of projection.

SENSOR,LIGHTNING DETECTION

An item that detects approaching lightning flash activity and an indication of the approximate range and severity of the electrical activity. The detector sends information on lightning to a weather station or an audible warning receiver.

TOOLING SET,RADAR REFLECTOR ASSEMBLY

STRAP,WRIST INSTRUMENT

An item consisting of one or two narrow strips of material cut to a definite length, having one end processed with a fastening device. The other end is processed to mate with the fastening end. It is intended for the atachment of watches, compasses and depth gauges, The item may be resistant to magnetic forces.

THERMOMETER,SELF-INDICATING

An item that has confined liquid whose physical property(ies) changes with variation in temperature and indicates the temperature to a division or number on a graduated scale(s). May include flexible tubing (capillary) for indoor/outdoor applications. Excludes: THERMOMETER, CLINICAL, HUMAN.

CALIBRATION CHAMBER,DROPSONDE

An item specifically designed to accommodate one or more high altitude meteorological devices (dropsondes) for the purpose of testing the accuracy. It supplies power during the warm up and baselining phases of sonde manipulation. It may inject a signal into the sonde(s) and measure the sonde current and/or the battery voltage.

PROJECTOR-DETECTOR,CLOUD HEIGHT

The component of a CLOUD HEIGHT SET which projects visible light into the clouds and scans, measures, and amplifies reflected energy received back from the clouds. Used in determining the height of a cloud above the point of projection. For items which only project light see PROJECTOR, CLOUD HEIGHT. For items which only receive signals back from the clouds see DETECTOR, CLOUD HEIGHT.

BAROMETER,DIGITAL DISPLAY

A barmeter consisting of a vibrating element sensor which allows a high precision measuring of atmospheric or absolute pressure. The measuring value is electronically calculated and digitally displayed on the screen.

CALIBRATION CHAMBER,HUMIDITY ELEMENT

An item specifically designed to accommodate a humidity element for the purpose of determining its accuracy.

CONTROL,BAROSWITCH SETTING

A device specifically designed to remotely control the adjustment of the altitude setting of a BAROSWITCH.

HOUSING,BAROSWITCH SIMULATOR

A housing specifically designed to inclose and support a SIMULATOR, BAROSWITCH.

INDICATOR,METEOROLOGICAL DATA

An indicator for the display of current meteorological information. It is a component of a meteorological data display set.

SCALE,WIND,GEOSTROPHIC-GRADIENT

An adjustable, thin, flat strip of plastic, metal, or other material graduated in terms of map projection, map/earth scale (representative fraction), knots, and degrees of latitude, for the determination of geostrophic and gradient winds in weather forcasting and in the analysis of upper-air weather charts.

SIMULATOR,BAROMETRIC PRESSURE

An item designed to facilitate the calibration of a BAROSWITCH by simulating the barometric pressure of various altitudes.

WEATHER RECONNAISSANCE SYSTEM

A system for the airborne collection, processing, reduction, display, and transmission of meteorological and geophysical information to a compatible ground facility.

COUNTER,LIGHTNING

An item which detects the lightning current conducted by the down conductor of the ARRESTER LIGHTNING. It may have the capability of counting, recording and timestamping of the impulse currents and the like.

AEROSTAT

A non-motorized lighter-than air craft which is tethered (moored) to the surface of the earth, a vehicle or a ship. The craft is used to mount and carry aloft payloads, instruments, or sensors for prolonged periods of time.

SENSOR SET,FORWARD SCATTER

An item that consists of a white light source and reciever. The sensor measures scattered light to determine the Meteorological Optical Range (MOR) in a determined direction. Used primarily for aeronautical purposes, but may also be used for synoptic meteorology, road and harbor.

FRAME,BALLOON,METEOROLOGICAL

A number of components and/or items not having the same basic name, which are required for the operation and launching of AEROSTAT; BALLOON,METEOROLOGICAL and the like. It may include a rigid frame with a launch bag,a gas hose,a valve,a transport case and the like.

COMPUTER, DIGITAL WEATHER PREDICTION SYSTEM

A computer connected with servers which provides the meteorological data to other systems. It is used to analyze and forecast global weather patterns. Exclude: COMPUTER,METEOROLOGICAL DATA.

THERMOCOUPLE,HEATING ELEMENT

A thermocouple which includes a resistance element designed to transfer heat of the element to its thermojunction.

COVER,ANEROID ELEMENT

COVER,MERCURIAL BAROMETER TUBE

CONTROL,PRESSURIZING SET

A control that determines the mode of operation of a pressurizing set. See also CONTROL, INFLATION, RADOME.

BAROMETER,ANEROID

A barometer consisting of a pressure-sensitive element which contracts or expands in proportion to atmospheric pressure, connected through a linkage to a pointer. Its dial is graduated in units of pressure measurement (pounds per square inch, inches of mercury, millibars, and the like.) To indicate atmospheric pressure only.

MANOMETER,ANEROID

A pressure-sensitive instrument similar to a BAROMETER,ANEROID, except that it is calibrated for a greater range. Used to indicate air pressure in an enclosed space, such as a submarine.

BAROMETER,MERCURIAL

A barometer consisting of a column of mercury which rises and falls within a tube due to variations of atmospheric pressure.

HYGROGRAPH

An item which senses, measures, and records the moisture content of the surrounding atmosphere.

HYGROTHERMOGRAPH

An item which senses, measures, and records the temperature and moisture content of the surrounding atmosphere.

THERMOGRAPH

An item which senses, measures, and records the temperature of the atmosphere surrounding the sensing element. Excludes THERMOMETER, RECORDING, CAPILLARY TUBE AND BULB.

TRANSMITTER,PRESSURE

An instrument that senses, measures and converts pressure of a gas or fluid into electrical signals to be displayed in Pounds per Square Inch (PSI) or the equivalent. The item contains an input pressure port, electrical output connection and may include an output pressure port. See also TRANSDUCER, MOTIONAL PICKUP for items with a linear motional input and electrical output to be displayed in other than PSI or the equivalent.

INDICATOR,PRESSURE

An indicator which indicates the pressure of a gas or liquid in a given system.

INDICATOR,TEMPERATURE,ELECTRICAL RESISTANCE

An item that designates temperature by means of measuring the electrical resistance of a sensitive bulb whose resistance varies with a change of temperature. Does not include resistance bulb.

ALTIMETER,DUAL PRESSURE,PRESSURIZED COMPARTMENT

A barometric type instrument specifically designed for use in a pressurized compartment of an aircraft to provide an indication of pressure within the compartment, pressure existing outside the compartment and the differential pressure existing between the two, in feet of altitude.

ALTIMETER,PRESSURIZED COMPARTMENT

A self-contained aneroid instrument designed specifically for use in a pressurized compartment of an aircraft to provide an indication of pressure in feet altitude.

INDICATOR,TEMPERATURE,THERMOCOUPLE

An indicator which indicates temperature by means of a thermocouple circuit.

ROTOR,PSYCHROMETER

An item used to whirl a psychrometer. Excludes sling type psychrometer handles.

STATIC TUBE

A device provided with opening(s) which receive the barometric pressure of the atmosphere for transmission to various instruments.

ADAPTER,METER

A part designed to provide the necessary accommodations for mounting a meter in a panel space of a size different from that normally intended to accommodate it.

HUMIDITY ELEMENT,HAIR

A humidity element consisting primarily of treated human hair.

HUMIDITY ELEMENT,RESISTANCE

A humidity element consisting primarily of a moisture sensitive chemical whose electrical resistance is proportional to variations in moisture content of the air.

SUPPORT,BAROGRAPH

SUPPORT,PSYCHROMETER

SUPPORT,THERMOMETER

REGULATOR,PRESSURE,AUTOMATIC SPRINKLER

A regulator that automatically maintains a predetermined air pressure in a dry pipe sprinkler system.

CONTROL,HUMIDITY

A device composed of a control-actuating mechanism, an absorption element, and a switch for automatic controlling of humidity in rooms, compartments, and the like. May include an indicator.

CONTROL,TEMPERATURE,INDICATING

A device composed of one or more control-actuating mechanisms, one or more switchs, and graduated scales or other indicators. It is designed to measure and control temperature in ovens, furnaces, and the like, through perception of a sensing element connected to the control. Excludes SWITCH, THERMOSTATIC(00451) and THERMOSTAT, FLOW CONTROL(16516).

CONTROL,HUMIDITY-TEMPERATURE RECORDING

A device composed of sensing elements, one or more switches, a control-actuating mechanism, and a graduated chart, for automatically controlling and recording humidity and temperature in assembly rooms, buildings, compartments, laboratories, and the like. May have a thermometer or other indicator(s).

CONTROL,PRESSURE,RECORDING

A device composed of a regulating valve or switch, a control-actuating mechanism, and a graduated chart, for automatically controlling and recording pressure of a fluid. May include an indicator.

CONTROL,TEMPERATURE,RECORDING

A device composed of a switch, a sensing element, a control-actuating mechanism, and a graduated chart, for automatically controlling and recording temperature in compartments, furnaces, ovens, and the like. May include a thermometer or other indicator.

CASE,BAROMETER

CASE,PRESSURE GAGE TESTER

CASE,PSYCHROMETER

CASE,THERMOMETER

THERMOCOUPLE,IMMERSION

A thermocouple whose thermojunction is specifically designed to be placed or dipped within a fluid.

THERMOCOUPLE,CONTACT

A thermocouple whose thermojunction is specifically designed to mount on, attach to, or touch a solid.

THERMOMETER,SELF-INDICATING,BIMETALLIC

A thermometer which has a bimetallic substance, whose measurable physical properties, or one of them, change with variation in temperature and self-indicate the temperature to a division or number on a graduated scale(s).

PYROMETER,INDICATING

A pyrometer which utilizes the effect of temperature variation to change the characteristics of an electrical constant and this difference of electrical potential is shown by the position of a pointer relative to a graduated scale.

TESTER,PYROMETER AND THERMOCOUPLE

An instrument used for checking thermocouples and pyrometers. It is designed with a compensator which can be adjusted so that the measured electromotive force, corrected to a standard reference temperature, can be read directly from a scale. It can be used as a pH meter. Excludes RESISTOR, VARIABLE, WIRE WOUND; RESISTOR, VARIABLE, NONWIRE WOUND; METER, HYDROGEN ION TEST; and PYROMETER (as modified).

THERMOMETER,INDICATING,RESISTANCE

A thermometer which utilizes a standard electric source of current for determining and indicating temperature, by employing a balanced bridge circuit or an unbalanced deflectional bridge circuit in conjunction with a sensitive bulb whose electrical resistance varies with a change in temperature.

PYROMETER,RECORDING

A pyrometer which utilizes the effect of temperature variations to change the characteristics of an electric constant and this difference in electrical potential transcribed to a chart.

THERMOMETER,RECORDING,RESISTANCE

A thermometer which utilizes a standard electric source of current for determining and recording temperature by employing a balanced bridge circuit or an unbalanced deflectional bridge circuit in conjunction with a sensitive bulb whose electrical resistance varies with a change in temperature.

THERMOMETER,INDICATING,CAPILLARY TUBE AND BULB

A thermometer which employs a confined substance, whose measurable physical properties or one of them varies with a change in temperatrue and this energy transmitted into mechanical movement to indicate the temperature. For indoor/outdoor application, see THERMOMETER, SELF-INDICATING, LIQUID IN GLASS.

GAGE,ABSOLUTE PRESSURE,DIAL INDICATING

An instrument designed to measure pressure, and indicate in terms of pressure above vacuum (zero pressure) by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) without the necessity of correction or adjustment for barometric or atmospheric pressure. For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.

GAGE,COMPOUND PRESSURE-VACUUM,DIAL INDICATING

An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.

GAGE,COMPOUND PRESSURE-VACUUM-TEMPERATURE,DIAL INDICATING

A combination instrument designed to measure and indicate temperature and pressure or temperature and vacuum, on one or more dial(s). Excludes GAGE, COMPOUND PRESSURE-VACUUM, DIAL INDICATING; GAGE, ALTITUDE AND PRESSURE, DIAL INDICATING; GAGE, ALTITUDE AND TEMPERATURE, DIAL INDICATING and GAGE, PRESSURE, DIAL INDICATING.

GAGE,COMPOUND VOLUME-TEMPERATURE DIAL INDICATING

An item designed to measure and indicate room temperature and volume of gas. It uses a single temperature scale and two pointers.

GAGE,LIQUID OXYGEN CONTENT,DIAL INDICATING

An instrument designed to measure the amount of liquid oxygen contained in a liquid oxygen converter by means of a pressure sensitive element which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated in units of liters. Excludes GAGE, PRESSURE, DIAL INDICATING.

GAGE,PRESSURE,DIAL INDICATING

An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure.It may include a temperature equivalent scale.For items that do not have an internal pressure sensitive element see INDICATOR, PRESSURE.

THERMOMETER,RECORDING,CAPILLARY TUBE AND BULB

An instrument which employs a confined substance, whose measurable physical properties or one of them varies with a change in temperature and this energy transmitted into mechanical movement to record the temperature.

MANOMETER,U-TUBE

MANOMETER,INCLINED TUBE

MANOMETER,VERTICAL TUBE

HYGROSCOPE,PAPER MOISTURE CONTENT

An instrument consisting of a sword type blade, handle, and a moisture indicating gage. It is used for determining the moisture content of piled paper before printing.

GAGE,PRESSURE,RECORDING

An instrument designed to measure and record fluid pressure, equal to or greater than atmospheric, by means of a pressure sensitive element directly linked to a pen staff which makes a permanent recording on a chart. May or may not have an indicating scale. Excludes BAROGRAPH.

GAGE,VACUUM,RECORDING

An instrument designed to measure and record fluid pressure, equal to or less than atmospheric, by means of a pressure sensitive element directly linked to a pen staff which makes a permanent recording on a chart. May or may not have an indicating scale. Excludes BAROGRAPH.

INDICATOR,HUMIDITY,ENVELOPE

An item which uses the changing color of a desiccant in the presence of moisture to indicate humidity. The desiccant is in an envelope with a transparent window through which the color of the desiccant may be observed and compared with markings on envelope.

INDICATOR,HUMIDITY,PLUG

An item which uses the changing color of a desiccant in the presence of moisture to indicate humidity. The desiccant is in a plug through which the color may be observed and compared with a chart.

PSYCHROMETER

An instrument that senses, measures, and indicates the amount of relative humidity in the atmosphere. It consists of two liquid-in-glass thermometers, one of which is equipped with a wick. Air movement (aspiration) is effected by slinging the instrument about, by use of blower, fan or the like; or the instrument may be used with no forced circulation of air.

PROBE,HUMIDITY-TEMPERATURE

An item consisting of temperature and humidity sensing elements which when placed in a moving airstream senses the ambient temperature and humidity. See also SENSOR, TEMPERATURE.

PROTECTOR,THERMOMETER

An inclosure to protect a thermometer against breakage while in use.

MANOMETER,CAPILLARY TUBE IN TUBE

A device consisting of a glass capillary tube suspended within a scaled tube, generally by means of a ground glass plug which may be an integral part thereto. It is used to measure the pressure in a vacuum line.

INDICATOR,HUMIDITY,CARD

An item which uses the changing color of a desiccant in the presence of moisture to indicate humidity. A number of desiccants are applied in the form of squares, circles and the like, to absorbent paper. Each desiccant spot is generally labeled with a relative humidity value in percentage, an instruction, or some other appropriate legend.

CONTROL,COMBUSTION,OIL BURNER

A device usually consisting of a heat sensing element, switch, transformer, control actuating mechanism and automatic shut-off. It is mounted through the stack of oil furnace to control the ignition, combustion, and motor operation of an oil burner unit, in accordance with the action of a remote thermostat.

HYGROMETER,DIAL INDICATING

An instrument for measuring and indicating relative humidity upon a dial by means of a sensitized actuating element attached to a pointer. It may include a thermometer.

THERMOSTAT,FLOW CONTROL

An automatic regulating device which controls the flow of fluids or gases by actuating a valve or shutter for heating or cooling purposes. May be adjustable, or set to operate at a definite pressure. Excludes CONTROL, HUMIDITY; CONTROL, TEMPERATURE INDICATING; and SWITCH, THERMOSTATIC.

TEMPERATURE INDICATING COMPOUND

A temperature-sensitive material with predetermined melting point. It is used to indicate when a predesignated temperature is reached in such processes as heat treating, welding, and molding.

TRANSMITTER GROUP,HUMIDITY-TEMPERATURE

An item which senses, measures, and transmits values of humidity and temperature to an indicator(s) and/or recorder(s).

REGULATOR UNIT,AIR FLOW,OXYGEN AND NITROGEN GENERATING PLANT

An item designed to deliver a constant air pressure to an oxygen and nitrogen generating plant from an air conduit in which the pressure is subject to variations.

PYROMETER,OPTICAL

A pyrometer which measures the quality and intensity of light emitted from a hot body, or glowing material by comparison with a standard source of light and indicated by the position of a pointer relative to a graduated temperature scale.

TESTER,PRESSURE GAGE

DAMPENER,FLUID PRESSURE

An automatic throttling device designed to absorb fluid pulsations and surges, thus reducing mechanical vibrations. Excludes DAMPENER, FLUTTER.

CONTROL-RECORDER GROUP

A collection of items, that provide control and recording facilities. The control and recording functions are in conjunction with associated components, and may be used with each other.

TESTER,VACUUM GAGE

An item consisting of a liquid vacuum gage, a vacuum pump, and a provision for accommodating the dial gage to be tested, mounted on a baseboard. Includes tools and equipment for setting up the apparatus. May or may not include the liquid necessary for operation.

TRANSMITTER,TEMPERATURE,ELECTRICAL RESISTANCE

A device having a temperature sensing element whose electrical resistance varies with a change in temperature. It is designed to transmit information relative to temperature to an INDICATOR, TEMPERATURE, ELECTRICAL RESISTANCE. It may be a component part of a THERMOMETER, INDICATING, RESISTANCE; THERMOMETER, RECORDING, RESISTANCE. Excludes THERMOCOUPLE (as modified).

INDICATOR,TEMPERATURE,SYNCHRO

An indicator which indicates temperature by means of a synchro-actuated pointer on a calibrated temperature scale. Excludes INDICATOR, TEMPERATURE, ELECTRICAL RESISTANCE and INDICATOR, TEMPERATURE, THERMOCOUPLE.

CASE,DIAL INDICATING PRESSURE GAGE

RECORDER,HUMIDITY-TEMPERATURE

An item which is designed to make a permanent record of humidity-temperature information received from a remotely located humidity-temperature transmitter. see also RECORDER, WEATHER DATA.

HOUSING,GAGE

HOUSING,INDICATOR

HOUSING,CARD HUMIDITY INDICATOR

An item specifically designed to inclose an INDICATOR, HUMIDITY, CARD to provide dustproof and moistureproof protection from external elements therefor. For items that include the INDICATOR, HUMIDITY, CARD, see INDICATOR, HUMIDITY, PLUG.

HYGROMETER,DIAL INDICATING,ELECTROLYTIC

An instrument for continuously measuring moisture content of a closed environment, such as a compressed air line, by electrolytic process. Excludes HYGROMETER, DIAL INDICATING.

GAGE,RECEIVER PRESSURE,PNEUMATIC

An instrument designed to be used in conjunction with a pneumatic transmitter to indicate pressure temperature, or any other information that can be transmitted from an external point by proportional variations in pressure. The dial is graduated in terms of actual transmitter range. The instrument sensing element operates on transmitted low pressures. Excludes GAGE, DIFFERENTIAL, DIAL INDICATING; GAGE, PRESSURE, DIAL INDICATING; GAGE, PRESSURE, DIAL INDICATING, ARBITRARY SCALE; THERMOMETER, INDICATING, CAPILLARY TUBE AND BULB; AND THERMOMETER, RECORDING, CAPILLARY TUBE AND BULB.

THERMOMETER,SELF-INDICATING,DIGITAL

A device whose measurable physical properties change with variation in temperature. The temperature reading appears in either degrees Celsius or degrees Fahrenheit on a self-indicating digital display. The device operates in conjunction with thermocouples and is powered by an electric current. Excludes INDICATOR, TEMPERATURE, THERMOCOUPLE.

INDICATOR,TEMPERATURE,CARD

An item designed to measure the surface temperature of the component upon which it is affixed. Item may be a card containing a sensitized sticker or tab, or a series of sensitized stickers or tabs, designed to irreversibly change color as a specified temperature is reached on the surface to which it is attached. It may be encapsulated to provide environmental protection. It may be backed with adhesive for self-attachment. Excludes INDICATOR, HUMIDITY, CARD.

RECORDER,TEMPERATURE

An item which is designed to make a permanent record of temperature information received from a remotely located temperature transmitter. See also RECORDER, WEATHER DATA.

HYGROMETER,DIGITAL

An instrument for measuring and indicating by digital display relative humidity of the surrounding atmosphere. Measurements are made by a humidity sensor generally mounted in a probe.

HYGROTHERMOMETER,DIGITAL

An instrument for measuring and indicating by digital display relative humidity and temperature of the surrounding atmosphere. Measurements are made by sensors generally mounted in a probe.

THERMOWELL

A pressure-tight receptacle mounted to an item by external threads, flange and/or welding. It is designed to hold temperature sensing devices, such as, termocouples, resistance temperature detectors, and thermometers.

GAGE,VACUUM,INDICATING

An item designed to measure the vacuum by means of a pressure sensitive element. The vacuum is indicated mechanically or digitally.

REGULATOR,TEMPERATURE

A device designed to measure, indicate and regulate temperatures.

MODIFICATION KIT,ENGINE INSTRUMENTS,AIRCRAFT

An item or group of items used to modify or replace aircraft engine indicating instruments.

PARTS KIT,GAGE,PRESSURE

TEST SET SUBASSEMBLY,HUMIDITY-PRESSURE-TEMPERATURE MEASURING EQUIPMENT

THERMOMETER,SELF-INDICATING

An item that has confined liquid whose physical property(ies) changes with variation in temperature and indicates the temperature to a division or number on a graduated scale(s). May include flexible tubing (capillary) for indoor/outdoor applications. Excludes: THERMOMETER, CLINICAL, HUMAN.

GAGE AND VALVE ASSEMBLY

An assembly of items consisting of one or more gages and one or more valves joined together on a common mount.

BULB ASSEMBLY,SENSOR,TEMPERATURE,NON-ELECTRIC

A device that senses variation of heat or cold and uses thermal expansion of a liquid which is converted into positional output to actuate a bellows.

RECORDER,PRESSURE

An item designed to make a permanent graphic presentation of pressure information such as hydraulic, pneumatic, steam, techtonic and the like received from a remotely located TRANSMITTER (1), PRESSURE. Excludes BARGRAPH.

SENSOR,AMBIENT TEMPERATURE

An item that responds to heat and cold and transmits a resulting impulse for measurement or for operating a control.

INDICATOR SUBASSEMBLY,PRESSURE

Two or more different types of items having a common mounting or mounted on each other which together form a portion of an INDICATOR, PRESSURE, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

BAROMETER,DIGITAL DISPLAY

A barmeter consisting of a vibrating element sensor which allows a high precision measuring of atmospheric or absolute pressure. The measuring value is electronically calculated and digitally displayed on the screen.

ACTUATOR,LINEAR,AIR TURBINE DRIVEN

A self-contained power transmitting unit, consisting of an air turbine, gear assembly, ball nut and screw assembly, and control valves. May include power take-off. Designed to convert air pressure to mechanical force in the form of linear mechanical movement.

ADAPTER,STATIC TUBE TO CASE SECTION

An adapter specifically designed to adapt a static tube to a case section.

CALIBRATOR,THERMOMETER

An item specifically designed to determine by comparison the accuracy of calibration of thermometers.

INDICATOR,TEMPERATURE-HUMIDITY,ELECTRICAL RESISTANCE

An indicator which indicates temperature and humidity by means of measuring the electrical resistance of remotely located temperature and humidity elements. The resistance of the elements varies with changes in temperature and humidity respectively. Does not include resistance humidity or temperature elements.

PROTECTOR,STATIC TUBE

An item designed to provide physical protection for a STATIC TUBE.

STATIC TUBE SUBASSEMBLY

A collection of two or more different components of a STATIC TUBE having a common mounting or mounted on each other, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.

TESTER,PRESSURIZED CONTAINER LEAKAGE

A device specifically designed to determine if a pressurized container is sealed sufficiently to retain a specified amount of air or gas pressure at various pressure levels.

BASE,STATIC TUBE

An item designed to serve as the base for a STATIC TUBE. It is equipped with the necessary facilities required to mate the static tube to the surface of an aircraft, guided missile, rocket, or the like, or to an adapter installed on these surfaces. Excludes ADAPTER, STATIC TUBE TO CASE SECTION.

PROBE,STATIC TUBE

The forward portion of a STATIC TUBE which contains opening(s) required to receive the barometric pressure of the atmosphere.

MANOMETER ASSEMBLY

Two or more manometers mounted on a panel with connections to a filter unit and/or protective shelter, the principal purpose of which is to monitor air presure(s), pressure differential and flow rate of the system. It may include mounting hardware, instruction plate, valves, and filters.

GAGE,DIFFERENTIAL,DIAL INDICATING

An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

CALIBRATOR,TEMPERATURE,DRY BLOCK

A device which heats or cools a metallic block and keeps it at a constant temperature to test various types of temperature sensors such as thermostats, resistance thermometers, thermocouples, and like, for calibration purposes. It may include accessories.

TESTER,SAFETY RELIEF VALVE

An apparatus which consists of pressure regulator, drain cocks, flow regulating valve, and the life for the testing of relief pressure of a VALVE,SAFETY RELIEF. May include a tank, workspace to confine spills, an/or equipment to record the test.

THERMOMETER,THERMOGRAPHIC TAPE

A flexible, irreversible self adhesive strip with a temperature scale consisting of several zones. It is coated with a chemical substance that changes color depending on the temperature it is exposed to.

CONTROL,HUMIDITY-TEMPERATURE

A device composed of a control actuating mechanism and switches for automatic controlling of humidity and temperature in rooms, compartments and the like. For items used only to control humidity see CONTROL, HUMIDITY.

ENVIRONMENTAL SAMPLE COLLECTION DEVICE,AIRBORNE

A unit that collects environmental data samples such as conductivity, temperature, salinity, turbidity, and depth. It is deployed into the water from a helicopter by use of a towline.

THERMOMETER,INFRARED

An apparatus designed for making contactless and remote temperature measurements using infrared radiation. The temperature appears instantaneously in either degrees Celsius or degrees Fahrenheit on a digital display.

ADJUSTING TOOL,BATHYTHERMOGRAPH DATA RECORDER

An item specifically designed to adjust the settings of the temperature and depth elements of a RECORDER, BATHYTHERMOGRAPH DATA.

SLEEVE,INSULATION,BATHYTHERMOGRAPH BLISTER

CORE,THERMAL ELEMENT,BATHYTHERMOGRAPH

A finned, conical-shaped item fabricated in such a manner so as to provide a form upon which the temperature sensing tubing of a thermal element is wound.

GUARD STABILIZER,BATHYTHERMOGRAPH

Two or more rigid metal strips or fins on a common mounting designed to protect the capillary tubing of the thermal element and serve as a stabilizer in the lowering, towing or raising of a bathythermograph.

HOUSING,CORE,BATHYTHERMOGRAPH BLISTER

A cylindrical item which forms the outer portion of a bathythermograph blister and which is fabricated in such a manner as to inclose the thermal element core of bathythermograph equipment. For items complete with screen caps, insulation sleeve, mounting plate and thermal element core, see BLISTER, BATHYTHERMOGRAPH.

SLIDE,RECORDING,BATHYTHERMOGRAPH

A flat surfaced, transparent item whose thickness is small in comparison to its length and width and which is specifically designed to graphically portray the trace of the recording stylus utilized in bathythermograph equipment. It may have a clear, smoked, or coated finish.

RECORDER,BATHYTHERMOGRAPH DATA

A component which is specifically designed to make a permanent graphic presentation of information received from the depth and temperature measuring elements of bathythermograph equipment.

RECORDER,MAGNETIC DISTORTION

A component or item which makes a permanent representation of variations of magnetic field strength versus time with reference to a standard.

CASE,BATHYTHERMOGRAPH

INDICATOR,MAGNETIC VARIATION

A component which visually presents variations in magnetic field strength.

COMPUTER,BUOYANCY

A computer which utilizes a power driven mechanism and/or electronic or electrical circuits to calculate the buoyancy of water under various conditions with reference to a standard. May also be used to determine sound velocity.

THERMAL ELEMENT,BATHYTHERMOGRAPH

An item specifically designed to be responsive to variations in water temperatures and to react to the variations in such a manner as to motivate the recording stylus mechanism in bathythermograph equipment. For thermal elements complete with core and stylus mechanism, see THERMAL UNIT, BATHYTHERMOGRAPH.

THERMAL UNIT,BATHYTHERMOGRAPH

An item consisting of a bathythermograph thermal element, a thermal element core and a recording stylus mechanism. For thermal elements without a core and stylus mechanism, see THERMAL ELEMENT, BATHYTHERMOGRAPH.

GRID HOLDER,RECORDING SLIDE,BATHYTHERMOGRAPH

An item consisting of a bathythermograph recording slide grid secured in a bathythermograph recording slide holder.

HEAD,BATHYTHERMOGRAPH

An item specifically designed for use as the nose or front section of a bathythermograph to cause the foremost part to sink first. It may have a towing boss or lug.

DEPTH ELEMENT,BATHYTHERMOGRAPH

An item specifically designed to respond to variations in water pressure and to react to the variations in such a manner so as to motivate the depth recording mechanism in bathythermograph equipment.

BELLOWS,BATHYTHERMOGRAPH

An item consisting of two or more convolutions joined permanently with metallic rings specifically designed to flex and actuate a stylus mechanism in a bathythermograph.

BATHYTHERMOGRAPH

A mechanical device designed to be suspended from and/or towed by a surface vessel for the specific purpose of measuring and graphically recording the temperature of the water versus the depth. May include accessories and/or operating spares. See also BATHYTHERMOGRAPH SET.

BATHYTHERMOGRAPH SET

A group of interconnected components used to measure and graphically record the temperature of the water versus the depth, with or without a salinity correction device. It is electrically operated and designed specifically for submarine mounting. May include accessories and/or operating spares. See also BATHYTHERMOGRAPH.

HOUSING,GAGE

MODIFICATION KIT,INSTRUMENTS AND LABORATORY EQUIPMENT

An item or tiems employed to modify items specifically designed for laboratory equipment and instruments.

SEISMOGRAPH

An instrument used to detect, record and measure the intensity of geophysical waves.