FSC 2910

Includes Carburetors; Fuel Pumps; Engine Fuel Filters; Fuel Tanks; Components for all engines except Aircraft and Guided Missile Prime Moving.

FSC 2915

Note-Fuel components specially designed for propulsion fuel systems, aircraft and missiles are to be placed in this FSC.

Includes Carburetors; Fuel Pumps; Engine Fuel Filters; Fuel Controls, Jet Engine; Fuel Primers; Water Injection Controls and Valves; Fuel Valves Fuel Flow Regulators; Components of Smoke Abatement Systems.
Excludes Aircraft Fuel Tanks (FSC 1560); In-flight Refueling System Fuel Components (FSC 1680). Fuel System Components not specifically designed for use with Aircraft Engines or Missile Prime-movers.

FSC 2920

Includes Generators; Magnetos; Spark Plugs; Ignition Coils; Ignition Distributors; Engine Voltage Regulators; Ignition Harness Assemblies; Starting Motors for Engines.
Excludes Vehicular Lighting Fixtures (FSC 6220) and Aircraft Generators (FSC 2925).

FSC 2925

Note-Items designed for specific use on aircraft and guided missile prime movers are to be placed in this FSC.

Includes Magnetos; Igniters (Spark Plugs); Ignition Coils; Ignition Distributors; Engine Voltage Regulators; Ignition Harness Assemblies; Starting Motors for Engines; Engine Accessory Generators.
Excludes Aircraft Lighting Fixtures (FSC 6220); Auxiliary Aircraft Generators (FSC 6115).

FSC 2930

Includes Cooling Fans; Radiators; Water Pumps; Water Hose Assemblies; Engine Coolant Filters; Components for all Engines except Aircraft and Guided Missile Prime Moving.

FSC 2935

Note-This class includes only cooling system components for aircraft and/or guided missile prime movers only.

Includes Radiators; Cooling System Pumps; Water Hose Assemblies; Lubricating Oil Coolers and Control Valves; Oil Temperature Regulators.
Excludes Cooling System Components not specifically designed for use with Aircraft Engines.

FSC 2940

Includes Components for all Engines except Aircraft and Guided Missile Prime Moving.
Excludes Air and Oil Filters (FSC 4310, 4330), Strainers (FSC 4730) and Cleaners (FSC 4310) not specifically designed for use with engines.

FSC 2945

Note-Items placed in this FSC should be specifically designed for use on aircraft or guided missile prime movers only.

Includes Air Filters; Oil Filters; Strainers; Cleaners.
Excludes Fuel Filters (FSC 2915); Items designed for other than Engines.

FSC 2950

Note-All turbosuperchargers and their components not elsewhere classifiable will be classified in this FSC.

Includes Turbosupercharged Regulators; Engine Turbosuperchargers.
Excludes Engine Integrated Superchargers (FSG 28).

FSC 2990

Includes Engine Dynafocal Suspension Mounts; Engine Driven Superchargers (not integrated with engine); Starter Cranks; Engine Starter Ropes; Exhaust Mufflers; Hand Inertia Starters; Air Duct Heaters; Engine Governors; Intake Mufflers; Combustion Type Starters; Miscellaneous Accessories for all Engines except Aircraft and Guided Missile Prime Moving.
Excludes Electrical Starters Non-Aircraft (FSC 2920); Aircraft (FSC 2925).

FSC 2995

Note-Items classified in this class must be specifically designed for use with aircraft or quided missile primemovers only.

Includes Engine Dynafocal Suspension Mounts; Engine Cowling Mounts; Engine Mounted Control Assemblies; Pneumatic Starters; Push-Pull Control Assemblies;Specially designed Jet Engine Air, Oil, Anti-icing and Hydraulic Regulators; Valves and Pumps; Starting Units.
Excludes Exhaust System; (FSC 1560); Jet Engine Hydraulic Reservoirs (FSC 2840); Jet Engine Oil Tanks (FSC 2840); Electrical Starters (FSC 2925); Cockpit Mounted Control Quadrants (FSC 1680); Aircraft Engine Covers (FSC 1730).