Aircraft Engine and Engine Parts Manufacturing

Aircraft Engine and Engine Parts Manufacturing (NAICS #336412)

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). 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.