NAICS 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).
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).
Not in this code
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 and aircraft internal combustion engine filters are classified in Industry 336310, Motor Vehicle 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 U.S. Industry 541715, Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
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.
SBA size standard
A business is small under NAICS 336412 if it has no more than 1,500 employees (averaged over the last 24 months, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 336412 solicitations in the last two years:
29--STATOR,ENGINE generato · Department of Defense · posted September 28, 2026
28--DISK and hub,compresso · Department of Defense · posted September 28, 2026
28--VANE assembly,compr · Department of Defense · posted September 28, 2026
29--VALVE,FUEL pressurizin · Department of Defense · posted September 27, 2026
29--CABLE feedback,vbv · Department of Defense · posted September 27, 2026
29--ELEMENT and stud assy · Department of Defense · posted September 27, 2026
29--SEAL assembly · Department of Defense · posted September 27, 2026
Shroud, Segment, Turb · Department of Defense · posted September 25, 2026
Do this kind of work?
Send XL Eagle your price on an open aircraft engine and engine parts manufacturing job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 336412 is 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).
What is the SBA size standard for NAICS 336412?
The size standard for NAICS 336412 is 1,500 employees. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for aircraft engine and engine parts manufacturing?
Yes. 23 government contracts are open under NAICS 336412 right now, and 341 were posted in the last 12 months.
Can I bid on NAICS 336412 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.