Engine Instruments

Federal Supply Class (FSC): 6620

NATO Supply Classification Class (NSC): 6620

Group Description: Instruments and Laboratory Equipment

Federal Supply Group (FSG): 66

NATO Supply Classification Group (NSG): 66

Page 6 of 58

NSN Format for Engine Instruments

6620XXXXXXXXX
Group
FSG
ClassNCBIdentifier
FSC
Federal Supply Class
NIIN
NSN
FSC 6620 Engine Instruments
FSC 6620 Engine Instruments

Includes All Engine Instruments, including Aircraft, Marine, and Vehicular; Fuel Pressure Gages; Manifold Pressure Gages; Oil Pressure Gages; Fuel Mixture Indicators; Engine Oil and Fuel Warning Devices.

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.

Additional Information for Engine Instruments Additional Information for Engine Instruments

NATO Supply Class 6620 is a classification within NATO Supply Group 66, which is dedicated to Instruments and Laboratory Equipment. Specifically, Class 6620 focuses on Engine Instruments.

Engine Instruments are devices used to monitor and measure various parameters and performance indicators of engines. These instruments play a crucial role in ensuring the efficient and safe operation of engines in various applications, including automotive, aerospace, marine, and industrial sectors.

Some examples of Engine Instruments that fall under NATO Supply Class 6620 include:

1. Tachometers: These instruments measure the rotational speed (RPM) of an engine's crankshaft. They provide valuable information about the engine's performance and help in monitoring and controlling its speed.

2. Pressure Gauges: These instruments measure the pressure of fluids, such as oil, fuel, or coolant, within an engine. They help in monitoring the engine's oil pressure, fuel pressure, and coolant pressure, ensuring proper lubrication and cooling.

3. Temperature Gauges: These instruments measure the temperature of engine components, such as coolant temperature, oil temperature, or exhaust gas temperature. They help in monitoring the engine's operating temperature and prevent overheating or other temperature-related issues.

4. Fuel Flow Meters: These instruments measure the rate of fuel consumption in an engine. They provide valuable information about fuel efficiency and help in optimizing fuel consumption.

5. Oil Pressure Switches: These instruments monitor the oil pressure within an engine and provide an electrical signal if the pressure falls below a certain threshold. This helps in detecting oil pressure issues and preventing engine damage.

6. Engine Hour Meters: These instruments measure the total running time of an engine. They are used for maintenance purposes, as they help in scheduling regular maintenance and tracking the engine's usage.

These are just a few examples of Engine Instruments covered under NATO Supply Class 6620. The class encompasses a wide range of instruments used for monitoring and controlling various aspects of engine performance.

NSN by Country NSN by Country

Frequently Asked Questions(FAQ) for Federal Supply Class 6620 Frequently Asked Questions(FAQ) for Federal Supply Class 6620

What is Federal Supply Class 6620?
FSC 6620 is the Federal Supply Class(formally known as NATO Supply Classification Class NSC 6620) in the USA for supply items codified in the category of Engine Instruments.
What is NATO Supply Classification Class 6620?
NSC 6620 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 6620 in the USA) for supply items codified in the category of Engine Instruments.
Which Federal Supply Group is FSC 6620 in?
FSC 6620 is in Federal Supply Group(FSG) 66 which contains .
Which NATO Supply Classification Group is NSC 6620 in?
NSC 6620 is in NATO Supply Classification Group(NSG) 66 which contains .

Supply Items Included in Federal Supply Class 6620 Supply Items Included in Federal Supply Class 6620

What is a Generator Stator? 49 Items
A Generator Stator (STATOR,GENERATOR) is excludes STATOR, ENGINE GENERATOR.
What is a Signal Data Converter? 144 Items
A Signal Data Converter (CONVERTER,SIGNAL DATA) is an electronic device which converts a data modulated signal of one form to a data modulated signal of another form.
What is a Pressure Transmitter? 1952 Items
A Pressure Transmitter (TRANSMITTER,PRESSURE) is 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.
What is a Pressure Indicator? 1131 Items
A Pressure Indicator (INDICATOR,PRESSURE) is an indicator which indicates the pressure of a gas or liquid in a given system.
What is an Engine Gage Unit? 251 Items
An Engine Gage Unit (GAGE UNIT,ENGINE) is a gage unit specifically designed to measure and/or indicate engine operating characteristics.
What is an Aircraft Engines Synchroscope? 16 Items
An Aircraft Engines Synchroscope (SYNCHROSCOPE,AIRCRAFT ENGINES) is an instrument which indicates the synchronization of an aircraft's engines.
What is a Dial Indicating Absolute Pressure Gage? 44 Items
A Dial Indicating Absolute Pressure Gage (GAGE,ABSOLUTE PRESSURE,DIAL INDICATING) is 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.
What is a Dial Indicating Pressure Gage? 2153 Items
A Dial Indicating Pressure Gage (GAGE,PRESSURE,DIAL INDICATING) is 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.
What is an Electrical Tachometer Indicator? 1003 Items
An Electrical Tachometer Indicator (INDICATOR,ELECTRICAL TACHOMETER) is an instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.
Transmitter,Position 114 Items
What is a Rate Of Flow Indicator? 256 Items
A Rate Of Flow Indicator (INDICATOR,RATE OF FLOW) is an indicator which indicates the rate of flow of a fluid.
What is a Rate Of Flow And Consumption Indicator? 43 Items
A Rate Of Flow And Consumption Indicator (INDICATOR,RATE OF FLOW AND CONSUMPTION) is an indicator which indicates the rate of flow and consumption of a fluid.
What is a Position Indicator? 96 Items
A Position Indicator (INDICATOR,POSITION) is an instrument that displays the relative position of a remote movable structure.
What is a Torquemeter Indicator? 277 Items
A Torquemeter Indicator (INDICATOR,TORQUEMETER) is 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 174 Items
Transmitter,Rate Of Flow And Consumption 21 Items
What is a Rate Of Flow Indicator-Transmitter? 16 Items
A Rate Of Flow Indicator-Transmitter (INDICATOR-TRANSMITTER,RATE OF FLOW) is 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 15 Items
Housing,Gage 34 Items
Housing,Indicator 178 Items
What is an Engine Pressure Ratio Indicator? 50 Items
An Engine Pressure Ratio Indicator (INDICATOR,RATIO,ENGINE PRESSURE) is 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.
What is an Engine Testing Thrust Indicator? 31 Items
An Engine Testing Thrust Indicator (INDICATOR,THRUST,ENGINE TESTING) is 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.
What is an Engine Computer? 118 Items
An Engine Computer (COMPUTER,ENGINE) is 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.
What is a Fan Turbine Inlet Temperature Indicator? 38 Items
A Fan Turbine Inlet Temperature Indicator (INDICATOR,TEMPERATURE,FAN TURBINE INLET) is an indicator which displays fan turbine inlet temperature of a jet engine.
What is an Engine Parameters Multiple Indicator? 100 Items
An Engine Parameters Multiple Indicator (INDICATOR,MULTIPLE,ENGINE PARAMETERS) is 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.
What is an Engine Diagnostic Unit? 38 Items
An Engine Diagnostic Unit (DIAGNOSTIC UNIT,ENGINE) is 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.
What is an Electrical Tachometer Indicator Subassembly? 16 Items
An Electrical Tachometer Indicator Subassembly (INDICATOR SUBASSEMBLY,ELECTRICAL TACHOMETER) is 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.
What is a Rate Of Flow Transmitter Subassembly? 12 Items
A Rate Of Flow Transmitter Subassembly (TRANSMITTER SUBASSEMBLY,RATE OF FLOW) is 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.

Stock Items From Supply Class 6620 Stock Items From Supply Class 6620 Page 6of 58

009940157
S1512-6
RNCC: 3 | RNVC: 2
C668010-0101
RNCC: 5 | RNVC: 9
009921537
3000MR
RNCC: 3 | RNVC: 9
009889169
41400C5A1A3
RNCC: 3 | RNVC: 2
41400C5A1A3
RNCC: 5 | RNVC: 9
009889170
19-1907-01
RNCC: 3 | RNVC: 2
009879761
41592-1
RNCC: 3 | RNVC: 2
009879076
TRU27A
RNCC: 2 | RNVC: 2
MILT27179
RNCC: 4 | RNVC: 1
8TJ62GBA3
RNCC: 5 | RNVC: 1
8TJ62GBA3
RNCC: 5 | RNVC: 9
009873673
9807-21
RNCC: 3 | RNVC: 2
9807-21
RNCC: 5 | RNVC: 9
009808046
140512-01-02
RNCC: 3 | RNVC: 2
EFK-18/A24J-11
RNCC: 5 | RNVC: 1
7773A
RNCC: 5 | RNVC: 1
009808040
140510-01-02
RNCC: 3 | RNVC: 2
ERK-9/A24J-11
RNCC: 5 | RNVC: 1
7774A
RNCC: 5 | RNVC: 1
009795417
3R5748
RNCC: 3 | RNVC: 2
35C914-2
RNCC: 5 | RNVC: 2
009788830
5483448P2
RNCC: 3 | RNVC: 2
009773664
50003J
RNCC: 3 | RNVC: 2
009746795
4325K70G704
RNCC: 3 | RNVC: 2
009728491
8DJ104LAH1
RNCC: 3 | RNVC: 2
8DJ104LAH1
RNCC: 5 | RNVC: 2
009724137
724328-1
RNCC: 3 | RNVC: 2
724328-1
RNCC: 5 | RNVC: 2
009709113
8DJ105LAH1
RNCC: 3 | RNVC: 2
8DJ105LAH1
RNCC: 5 | RNVC: 2
009673651
438040-1
RNCC: 3 | RNVC: 2
009673659
436856-1
RNCC: 3 | RNVC: 2
009631030
4145908P1
RNCC: 3 | RNVC: 2
4145908P1
RNCC: 5 | RNVC: 2
009618639
438841-1
RNCC: 3 | RNVC: 2
009615426
B4895TYPESMF
RNCC: 3 | RNVC: 9
009607951
8942884G43
RNCC: 3 | RNVC: 2
8942884G43
RNCC: 5 | RNVC: 2
009526672
TRU63A
RNCC: 2 | RNVC: 2
MILI38144
RNCC: 4 | RNVC: 1
009502478
ERU7A2
RNCC: 2 | RNVC: 2
MILI19358AMEND1
RNCC: 4 | RNVC: 1
009496667
4123000
RNCC: 3 | RNVC: 2
009486752
C1TA2557A
RNCC: 3 | RNVC: 2
C3TZ2557A
RNCC: 3 | RNVC: 2
C1TE2557A
RNCC: 5 | RNVC: 2
009453072
4189-11000
RNCC: 3 | RNVC: 2
009421033
38304-6A1A1
RNCC: 3 | RNVC: 2
MILE27675
RNCC: 4 | RNVC: 1
EGK7A24J13
RNCC: 5 | RNVC: 1
38304-6A1A1
RNCC: 5 | RNVC: 9
009398575
SR4AP
RNCC: 3 | RNVC: 2
009381795
658423
RNCC: 3 | RNVC: 2
009363466
441336
RNCC: 3 | RNVC: 2
009363449
957464-2
RNCC: 3 | RNVC: 2
009298764
270117
RNCC: 3 | RNVC: 2
009276122
249345-032
RNCC: 3 | RNVC: 2
009271438
A13796
RNCC: 3 | RNVC: 2