28 - Engines, Turbines, and Components
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PSC Description
2805 Gasoline reciprocating engines, except aircraft; and components
2810 Gasoline reciprocating engines, aircraft prime mover; and components
2815 Diesel engines & components
2820 Steam engines, reciprocating & components
2825 Steam turbines & components
2830 Water turbines, water wheels & components
2835 Gas turbines & jet engines; non-aircraft prime mover, aircraft non-prime mover and components
2840 Gas turbines & jet engines, aircraft, prime moving; and components
2845 Rocket engines & components
2850 Gasoline rotary engines & components
2895 Miscellaneous engines & components
GROUP 28
Engines, Turbines, and Components
2805 Gasoline Reciprocating Engines,
Except Aircraft; and Components
Includes Gas Reciprocating Engines; All
Gasoline Reciprocating Engines except
Aircraft Prime Moving.
Excludes
Engine
Accessories
(FSC
2990).
2810 Gasoline Reciprocating Engines,
Aircraft Prime Mover; and Components
Note Engines and components classi-
fied in this FSC must be desinged specifi-
cally for use as/on an aircraft prime
mover. Auxiliary engines and their com-
ponents will be classified in the appropri-
ate FSC elsewhere in FSG 28.
Includes Complete Engine Assemblies;
Piston Rings; Cylinders; Pistons; Cam-
shafts; Crankshafts.
Excludes
Fuel
System
Components
(Carburetors; Carburetor Floats; Fuel
Pumps; Fuel Controls; Fuel Valves) (FSC
2915); Electrical System Components
(Spark Plug Adapters; Ignition Distribu-
tors; Ignition Coils, Electrical Starters)
(FSC 2925); Engine Cooling System
Components (Engine Oil Coolers; Cool-
ing Radiators) (FSC 2935); Engine Air/Oil
Cleaners/Filters/Strainers (FSC 2945);
Miscellaneous
Engine
Accessories
(Pneumatic Starters, Cowling Mounts,
Control Assemblies) (FSC 2995).
2815 Diesel Engines and Components
Includes Automotive, Industrial, Marine,
Locomotive, and all other types of Diesel
and Semi-Diesel Engines.
Excludes Engines Accessories (FSC
2990).
2820 Steam Engines, Reciprocating; and
Components
2825 Steam Turbines and Components
Includes Mercury Vapor Turbines.
2830 Water Turbines and Water Wheels; and
Components
2835 Gas Turbines and Jet Engines;
Non-Aircraft Prime Mover, Aircraft
Non-Prime Mover, and Components
Note Engines and Components classi-
fied in this FSC are primarily for use on
non-aircraft prime mover (e.g., Naval ship
applications), aircraft non-prime mover
(e.g., airframe mounted auxiliary power
units), and for aircraft ground support
equipment (e.g., start carts).
Includes Airflow Deflectors; Combustion
Chambers, Compressors, Turbines, Ac-
cessory Gear Boxes and their Compo-
nents.
Excludes Components for Gas Turbines
and Jet Engines, Aircraft Prime Mover
(FSC 2840); Engine Fuel Systems (FSC
2910); Engine Electrical Systems (FSC
2920); Engine Cooling Systems (FSC
2930);
Engine
Air/Oil
Cleaners/Filters/Strainers (FSC 2940);
Engine Accessories (Air Duct Heaters,
Engine Mounted Control Assemblies)
(FSC 2990).
2840 Gas Turbines and Jet Engines, Aircraft,
Prime Moving; and Components
Note Engines and Components classi-
fied in this FSC are intended for use as/on
aircraft and/or guided missile prime mov-
ers.
Includes Compressor and Turbine Ro-
tors; Blades; Combustion Chamber; Ac-
cessory Gear Box; Afterburner; Exhaust
Cone; Reservoirs, Hydraulic; Tank, Oil.
Excludes Oil, Air, Anti-icing, and Hydrau-
lic Regulators, Valves, and Pumps spe-
cially designed for Gas Turbines and Jet
Engines (FSC 2995); Control Assem-
blies, Push-Pull (FSC 2995); Engine
Mounted
Control
Assemblies
(FSC
2995); Fuel System Components (FSC
2915); Engine Electrical System Compo-
nents (FSC 2925); Engine Cooling Sys-
tem Components (FSC 2935); Engine
Air/Oil
Cleaner/Filter/Strainers
(FSC 2945).
2845 Rocket Engines and Components
Includes Rocket Prime Movers, Liquid
Type, including Liquid Jet Assisted Take
Off (JATO) Units, for use in aircraft, rock-
ets, and guided missiles; Liquid Propel-
lants encased in consumable containers,
intended for insertion into missile propul-
sion systems as integral parts.
Excludes Rocket Motors - Solid Propel-
lant Units (FSC 1337); Liquid Propellants
predetermined to specific quantity and
quality, but packaged in reusable contain-
ers; Solid Propellant Squibs and Car-
tridges, whether intended for insertion
into Liquid Propellent Systems or not
(FSC 1337).
2850 Gasoline Rotary Engines and
Components
2895 Miscellaneous Engines and
Components
Includes Wind and Compressed Air En-
gines.
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