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NAICS code 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).

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SBA small-business size limit
1,500 staff

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The SBA limit is 1,500 employees average number of employees.

What 336412 covers

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  • 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

Activities listed under 336412

  • Aircraft engine and engine parts (except carburetors, pistons, piston rings, valves) manufacturing
  • Aircraft engine overhauling
  • Aircraft engine rebuilding
  • Aircraft turbines manufacturing
  • Developing and producing prototypes for aircraft engines and engine parts
  • Engines and engine parts, aircraft (except carburetors, pistons, piston rings, valves), manufacturing
  • Gas turbines, aircraft, manufacturing
  • Gasoline engine parts (except carburetors, pistons, piston rings, valves), aircraft, manufacturing
  • Gasoline engines, aircraft, manufacturing
  • Internal combustion engines, aircraft, manufacturing
  • Jet propulsion and internal combustion engines and parts, aircraft, manufacturing
  • Rocket engines, aircraft, manufacturing

Questions

What is NAICS code 336412?

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 businesses use NAICS code 336412?

Examples from the U.S. Census Bureau: Aircraft engine and engine parts (except carburetors, pistons, piston rings, valves) manufacturing; Aircraft engine overhauling; Aircraft engine rebuilding; Aircraft turbines manufacturing; Developing and producing prototypes for aircraft engines and engine parts; and Engines and engine parts, aircraft (except carburetors, pistons, piston rings, valves), manufacturing.

What is not included in NAICS 336412?

Businesses mainly 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; and 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.

What is the SBA size standard for NAICS 336412?

1,500 employees (average over the last 24 months), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

What is the SIC code for NAICS 336412?

SIC 3724 (Aircraft Engines and Engine Parts, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

What is the IRS business code for NAICS 336412?

336000 (Transportation equipment mfg.) on Schedule C, line B, from the IRS list of principal business codes. The IRS code covers NAICS 336110–336999.

How do I find government contracts for NAICS 336412?

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 336412 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.

Source: U.S. Census Bureau, 2022 NAICS (public domain); bids: SAM.gov Contract Opportunities. PublicBeam is independent and not affiliated with the Census Bureau or any agency. Always check the NAICS code in the official notice before you bid.