Engine Fuel System Components, Aircraft and Missile Prime Movers from France (FR)

Question 1

What is Federal Supply Class 2915?

Accepted Answer

FSC 2915 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 2915) in the USA for supply items codified in the category of Engine Fuel System Components, Aircraft and Missile Prime Movers.

Question 2

What is NATO Supply Classification Class 2915?

Accepted Answer

NSC 2915 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 2915 in the USA) for supply items codified in the category of Engine Fuel System Components, Aircraft and Missile Prime Movers.

Question 3

Which Federal Supply Group is FSC 2915 in?

Accepted Answer

FSC 2915 is in Federal Supply Group (FSG) 29 which contains Engine Accessories.

Question 4

Which NATO Supply Classification Group is NSC 2915 in?

Accepted Answer

NSC 2915is in NATO Supply Classification Group (NSG) 29 which contains Engine Accessories.

Question 5

What is a Centrifugal Pump Impeller?

Accepted Answer

A Centrifugal Pump Impeller (IMPELLER,PUMP,CENTRIFUGAL) is an item consisting of blades or paddles equally spaced around the periphery of a hub, rotor, or wheel. It is the rotating part of a PUMP, CENTRIFUGAL.

Question 6

What is a Linear Electro-Mechanical Actuator?

Accepted Answer

A Linear Electro-Mechanical Actuator (ACTUATOR,ELECTRO-MECHANICAL,LINEAR) is a self-contained power transmitting device designed to convert electrical energy into controlled mechanical force, in the form of linear (straight line) mechanical movement. Comprised of an electrical motor(s), gear box(es), screwjacks, limit switch(es), and such accessories as required for the specific moving and positioning of other components. Excludes hydraulic and pneumatic cylinders and screwjacks.

Question 7

What is a Rotary Electro-Mechanical Actuator?

Accepted Answer

A Rotary Electro-Mechanical Actuator (ACTUATOR,ELECTRO-MECHANICAL,ROTARY) is a self-contained power transmitting device designed to convert electrical energy into controlled mechanical force, in the form of torque (rotational mechanical movement). Comprised of an electric motor(s), gear box(es), limit switch(es), and such accessories as required for the specific moving and positioning of other components. Excludes hydraulic and pneumatic cylinders and screwjacks.

Question 8

What is a Pressure Regulating Pump Governor?

Accepted Answer

A Pressure Regulating Pump Governor (GOVERNOR,PUMP,PRESSURE REGULATING) is a governor specifically designed to regulate the discharge pressure of reciprocating or turbine driven pumps. It may be actuated by either the pump discharge fluid or air flow from an external pilot valve.

Question 9

What is an Aircraft Fuel Tank Float Valve?

Accepted Answer

An Aircraft Fuel Tank Float Valve (VALVE,FLOAT,AIRCRAFT FUEL TANK) is a valve specifically designed to control the fuel level in an aircraft fuel tank, such as during aircraft refueling and/or defueling operations. It may include solenoids to permit remote control of the valve.

Question 10

What is a Cam Actuated Fuel Pump?

Accepted Answer

A Cam Actuated Fuel Pump (PUMP,FUEL,CAM ACTUATED) is a device designed to transfer liquid fuel from a tank to a carburetor, or fuel injector metering and distribution pump of an internal combustion engine. Reciprocating motion of the diaphragm(s) is actuated through linkage from the engine camshaft. It may include a diaphragm actuated vacuum booster. Excludes electrical and rotor type engine fuel pumps.

Question 11

What is a Fluid Filter Cover?

Accepted Answer

A Fluid Filter Cover (COVER,FLUID FILTER) is a rigid item of various shapes designed as a component of a fluid filter, acting as the cover and retaining the filter element in place. The item does not have an inlet or outlet connection. It is fastened onto the FILTER BODY, FLUID by means of clamps or bolts. For items with inlet and/or outlet connections, see HEAD, FLUID FILTER.

Question 12

What is a Fluid Filter Body?

Accepted Answer

A Fluid Filter Body (FILTER BODY,FLUID) is a component of a FILTER, FLUID designed to contain the FILTER ELEMENT, FLUID and attach to the HEAD, FLUID FILTER or the COVER, ACCESS. It may have inlet and/or outlet connections, means for mounting a drain plug(s), check, relief and or by-pass valves. Excludes BOWL, SEDIMENT.See also STRAINER BODY, SEDIMENT.

Question 13

What is an Aircraft Submerged Pump?

Accepted Answer

An Aircraft Submerged Pump (PUMP,SUBMERGED,AIRCRAFT) is a completely inclosed machine consisting of a positive or nonpositive displacement pump with a driving motor used to transmit or transfer fluid from an aircraft tank to an engine driven pump or to another tank. It is designed to be partially or completely submerged in the fluid it is intended to pump.

Question 14

What is a Jet Engine Fuel Pump?

Accepted Answer

A Jet Engine Fuel Pump (PUMP,FUEL,JET ENGINE) is a device specifically designed to deliver fuel to a jet engine. The device may be of single/multistage and positive/nonpositive displacement design. It mounts on a jet engine accessory drive case or on the fuel control and is driven by the engine. Excludes all pumps not specifically designed to be used on a jet engine.

Question 15

What is a Fluid Filter?

Accepted Answer

A Fluid Filter (FILTER,FLUID) is 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.

Question 16

What is a Fluid Filter Element?

Accepted Answer

A Fluid Filter Element (FILTER ELEMENT,FLUID) is 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.

Question 17

What is a Sediment Bowl?

Accepted Answer

A Sediment Bowl (BOWL,SEDIMENT) is a removable concave vessel designed as a component part of a carburetor, cam-actuated fuel pump, sediment strainer, water separator, and the like for collecting the sediment from a fluid. The item may have a pressure relief valve, drain plug, or drain valve. Excludes: Bowl (as modified); FILTER BODY, FLUID; AND STRAINER BODY, SEDIMENT.

Question 18

What is a Fuel Injector Assembly?

Accepted Answer

A Fuel Injector Assembly (INJECTOR ASSEMBLY,FUEL) is an item consisting of springs, o-rings, plungers and miscellaneous internal and external parts that provide atomized fuel at specific pressure(s) to engine combustion chambers. It may include NOZZLE, FUEL INJECTION.

Question 19

What is a Valve Piston?

Accepted Answer

A Valve Piston (PISTON,VALVE) is a cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes DISK, VALVE.

Question 20

What is a Fuel Pump Housing?

Accepted Answer

A Fuel Pump Housing (HOUSING,FUEL PUMP) is an item designed to inclose, support or protect the internal parts of a fuel pump. It may be fabricated from a single casting or composed of two or more separate parts. Usually contains access holes to facilitate installation of component parts. May include access covers, busings, dowell plugs- and the like. Excludes: HOUSING, LIQUID PUMP.

Question 21

What is a Fuel Control Parts Kit?

Accepted Answer

A Fuel Control Parts Kit (PARTS KIT,FUEL CONTROL) is a parts kit used to overhaul and/or repair FUEL CONTROLS, (as modified).

Question 22

What is an Engine Fuel Component Adjustor?

Accepted Answer

An Engine Fuel Component Adjustor (ADJUSTOR,FUEL COMPONENT,ENGINE) is a regulating device threaded or unthreaded for the purpose of tuning the mechanism for which it is specifically designed. It may have a limiting collar, shoulder or slot. The rotating facility may be a hex head or collar, a slot or socket end. Excludes BOLT (as modified); screw (as modified); stud (as modified).

Question 23

What is a Carburetor Nozzle?

Accepted Answer

A Carburetor Nozzle (NOZZLE,CARBURETOR) is an item generally of cylindrical shape with one or several bores which are designed to restrict the flow of fuel or air, respectively.

Question 24

What is a Liquid Level Switch?

Accepted Answer

A Liquid Level Switch (SWITCH,LIQUID LEVEL) is 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.

Question 25

What is a Fuel System Valve?

Accepted Answer

A Fuel System Valve (VALVE,FUEL SYSTEM) is an item specifically designed to automatically/manually maintain outlet/inlet fuel.

Question 26

What is an Engine Accessories Modification Kit?

Accepted Answer

An Engine Accessories Modification Kit (MODIFICATION KIT,ENGINE ACCESSORIES) is an item or group of items employed to modify all engine accessories.

Question 27

What is a Special Shaped Actuator Valve Diaphragm?

Accepted Answer

A Special Shaped Actuator Valve Diaphragm (DIAPHRAGM,ACTUATOR VALVE,SPECIAL SHAPED) is an item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.

Question 28

What is a Fuel Control Housing?

Accepted Answer

A Fuel Control Housing (HOUSING,FUEL CONTROL) is a unit or component consisting of threaded inserts and other miscellaneous hardware. It is used on the main fuel control engine.

Question 29

What is a Metering And Distributing Fuel Pump Injection Control?

Accepted Answer

A Metering And Distributing Fuel Pump Injection Control (INJECTION CONTROL,METERING AND DISTRIBUTING FUEL PUMP) is a usually mechanically functioning item encased in a housing. It is used to advance the delivery of a PUMP, FUEL, METERING AND DISTRIBUTING with increasing engine rotation so that, with higher rotational speed of the engine, optimal combustion is obtained. This result is achieved by giving the pump shaft a certain advance angle in relation to the motor shaft.

Question 30

What is a Fuel System Parts Kit?

Accepted Answer

A Fuel System Parts Kit (PARTS KIT,FUEL SYSTEM) is a parts kit which contains such items as hoses, valves, connectors, bushings, clamps and accessories for the repair of a FUEL SYSTEM.

Question 31

What is a Power Turbine Governor Weight?

Accepted Answer

A Power Turbine Governor Weight (WEIGHT,GOVERNOR,POWER TURBINE) is a weight which operates in opposition to a spring, feedback mechanism, manual control or simular device and regualtes the servo valve to increase or decrease fuel flow during engine high power operation.

Question 32

What is a Fuel Pump Housing Section?

Accepted Answer

A Fuel Pump Housing Section (HOUSING SECTION,FUEL PUMP) is a rigid metallic item of different forms, which together with at least one further housing section, forms a HOUSING, FUEL PUMP.

Question 33

What is a Governor Weights Carrier?

Accepted Answer

A Governor Weights Carrier (CARRIER,GOVERNOR WEIGHTS) is an item designed to carry the weights of a centrifugal governor.

Question 34

What is a Fuel Pump Cover?

Accepted Answer

A Fuel Pump Cover (COVER,FUEL PUMP) is a cover designed to cover the internal working parts of a PUMP, FUEL (as modified).  It does not have inlet or outlet connections.

Question 35

What is a Fuel Density Probe?

Accepted Answer

A Fuel Density Probe (PROBE,DENSITY,FUEL) is an item generally designed for mounting in an aircraft fuel tank. It is used to measure the fuel density during the flight.

Question 36

What is an Aircraft Engine Tube Assembly?

Accepted Answer

An Aircraft Engine Tube Assembly (TUBE ASSEMBLY,AIRCRAFT ENGINE) is an aircraft engine component designed to convey fluid. It may be bent or straight, flexible or rigid. It may include fittings to join one or more tubes together. For tube assembly designed to convey fuel from the cell or tank to the engine, see: FUEL LINE,AIRCRAFT.

Question 37

What is a Fuel Injection Nozzle?

Accepted Answer

A Fuel Injection Nozzle (NOZZLE,FUEL INJECTION) is a spring loaded nozzle designed to meter and inject fuel at specific pressure(s) to engine fuel combustion chambers.

Question 38

What is a Metering And Distributing Fuel Pump?

Accepted Answer

A Metering And Distributing Fuel Pump (PUMP,FUEL,METERING AND DISTRIBUTING) is a device specifically designed to (1) increase the pressure of, (2) meter the amount of, (3) control the distribution of liquid fuel received directly or indirectly from the TANK, FUEL, ENGINE to the individual air inlet tubes or combustion chambers of gasoline or diesel engines.

Question 39

What is a Turbo-Jet Engine Fuel Flow Regulator?

Accepted Answer

A Turbo-Jet Engine Fuel Flow Regulator (REGULATOR,FUEL FLOW,TURBO-JET ENGINE) is a regulator designed to automatically turn on the fuel and ignition at a specific percent of speed for starting a turbo-jet engine. At another speed, it cuts the ignition and places the fuel pumps in series operation. At still another fixed speed, it shuts off the compressor, bleeds and restores electronic devices to their normal circuits.

Question 40

What is a Turbo-Prop Engine Fuel Flow Regulator?

Accepted Answer

A Turbo-Prop Engine Fuel Flow Regulator (REGULATOR,FUEL FLOW,TURBO-PROP ENGINE) is a regulator designed to automatically turn on the fuel and ignition at a specific percent of speed for starting a turbo-prop engine. At another speed, it cuts the ignition and places the fuel pumps in series operation. At still another fixed speed, it shuts off the compressor, bleeds and restores electronic devices to their normal circuits.

Question 41

What is a Degasser Valve?

Accepted Answer

A Degasser Valve (VALVE,DEGASSER) is a dual purpose mechanical and electrical valve specifically designed to prevent entry of fuel into the intake manifold of an ENGINE, GASOLINE during a deceleration period and/or to stop an idling engine prior to turning off ignition. It is actuated by high manifold vacuum and by a solenoid energized by the operator's push button switch. See also VALVE, SOLENOID.

Question 42

What is an Automatic Fuel-Air Mixture Control Valve?

Accepted Answer

An Automatic Fuel-Air Mixture Control Valve (VALVE,FUEL-AIR MIXTURE CONTROL,AUTOMATIC) is an item designed to automatically control the fuel-air mixture of an injection carburetor by means of regulating impact air pressure to the regulator unit of a carburetor. It operates under varying conditions of air density as a result of changes in altitude and/or temperature.

Question 43

What is a Turbine Engine Afterburner Fuel Control?

Accepted Answer

A Turbine Engine Afterburner Fuel Control (FUEL CONTROL,AFTERBURNER,TURBINE ENGINE) is a self-contained metering unit consisting primarily of pumping, controlling, valving, and/or governing components. It is designed for regulating the delivery of afterburner fuel into a turbine engine.

Question 44

What is a Turbine Engine Emergency Fuel Control?

Accepted Answer

A Turbine Engine Emergency Fuel Control (FUEL CONTROL,EMERGENCY,TURBINE ENGINE) is a self-contained metering unit consisting primarily of pumping, controlling, valving, and/or governing components. It is designed for regulating the delivery of emergency fuel into a turbine engine.

Question 45

What is a Turbine Engine Main Fuel Control?

Accepted Answer

A Turbine Engine Main Fuel Control (FUEL CONTROL,MAIN,TURBINE ENGINE) is a self contained metering unit consisting primarily of pumping, controlling, valving, and/or governing components. It is designed for regulating the delivery of fuel into the main fuel system of a turbine engine.

Question 46

What is a Turbine Engine Starting Fuel Control?

Accepted Answer

A Turbine Engine Starting Fuel Control (FUEL CONTROL,STARTING,TURBINE ENGINE) is a self-contained metering unit consisting primarily of pumping, controlling, valving, and/or governing components. It is designed for regulating the delivery of starting fuel into a turbine engine.

Question 47

What is a Fuel Pressurizing And Drain Valve?

Accepted Answer

A Fuel Pressurizing And Drain Valve (VALVE,FUEL PRESSURIZING AND DRAIN) is an item that provides an automatic proportioning of fuel distribution to the engine fuel manifolds, under pressure, to achieve better fuel atomization at the fuel nozzles over a wide range of fuel flows. It must also provide a means of shutting off fuel supply to the engine and draining the fuel manifold after engine shutdown. It must be spring loaded and is either pressure balanced or linkage operated.

Engine Fuel System Components, Aircraft and Missile Prime Movers - France (FR)

Federal Supply Class (FSC): 2915

NATO Supply Classification Class (NSC): 2915

Federal Supply Group (FSG): 29 Engine Accessories

NATO Supply Classification Group (NSG): 29 Engine Accessories

Items Managed by France (FR) - NCB is 14

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NSN Format for Engine Fuel System Components, Aircraft and Missile Prime Movers
Codified by France

Frequently Asked Questions(FAQ) for Federal Supply Class 2915

Supply Items Included in Federal Supply Class 2915

Stock Items From Supply Class 2915 Page 1 of 24