2002 NAICS Definitions

336412 Aircraft Engine and Engine Parts Manufacturing

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).

Cross-References.

• Establishments primarily engaged in manufacturing guided missile and space vehicle propulsion units and parts are classified in U.S. Industry 336415, Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing;
• Establishments primarily engaged in manufacturing aircraft intake and exhaust valves and pistons are classified in U.S. Industry 336311, Carburetor, Piston, Piston Ring, and Valve Manufacturing;
• Establishments primarily engaged in manufacturing aircraft internal combustion engine filters are classified in U.S. Industry 336312, Gasoline Engine and Engine Parts Manufacturing;
• Establishments primarily engaged in the repair of aircraft engines (except overhauling, conversion, and rebuilding) are classified in Industry 488190, Other Support Activities for Air Transportation;
• Research and development establishments primarily engaged in aircraft engine and engine parts R&D (except prototype production) are classified in Industry 541710, Research and Development in the Physical, Engineering, and Life Sciences; and
• Establishments primarily engaged in manufacturing aeronautical instruments are classified in U.S. Industry 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.

Go to:

No change 1997 to 2002

2002 NAICS to 1987 SIC

1997 Economic Census

Bridge Between 1997 NAICS and SIC

2002 NAICS	1997 NAICS	1987 SIC	Corresponding Index Entries
336412	336412	3724	Aircraft engine and engine parts (except carburetors, pistons, piston rings, valv
336412	336412	3724	Aircraft engine overhauling
336412	336412	3724	Aircraft engine rebuilding
336412	336412	3724	Aircraft turbines manufacturing
336412	336412	3724	Developing and producing prototypes for aircraft engines and engine parts
336412	336412	3724	Engines and engine parts, aircraft (except carburetors, pistons, piston rings, va
336412	336412	3724	Gas turbines, aircraft, manufacturing
336412	336412	3724	Gasoline engine parts (except carburetors, pistons, piston rings, valves), aircra
336412	336412	3724	Gasoline engines, aircraft, manufacturing
336412	336412	3724	Internal combustion engines, aircraft, manufacturing
336412	336412	3724	Jet propulsion and internal combustion engines and parts, aircraft, manufacturing
336412	336412	3724	Rocket engines, aircraft, manufacturing

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