336412 Aircraft Engine and Engine Parts Manufacturing
This U.S. industry comprises establishments primarily engaged in one or more of the following manufacturing activities:
- aircraft engines and engine parts;
- developing and making prototypes of aircraft engines and engine parts;
- aircraft propulsion system conversion (i.e., major modifications to systems); and
- aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).