# NAICS 336412: Aircraft Engine and Engine Parts Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [336412 Aircraft Engine and Engine Parts Manufacturing](https://bidrover.com/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…

- NAICS code: 336412
- Title: Aircraft Engine and Engine Parts Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 336 Transportation Equipment Manufacturing
- Industry group: 3364 Aerospace Product and Parts Manufacturing
- NAICS industry: 33641 Aerospace Product and Parts Manufacturing
- SBA size standard: 1,500 employees
- Open bids on BidRover: 2
- Updated: Oct 10, 2026

## Open bids (2)

- [F100CoreModuleContainer_End_Item_F100_NSN_8145014524579NZ_PN_P4078843](https://bidrover.com/bids/f100coremodulecontainer-end-item-f100-nsn-8145014524579nz-pn-p4078843--c14ca702-dc3d-49a3-a260-bb24d47fde6f) — Public safety & defense · United States · due 2026-11-12
- [F138-100 engine sustainment](https://bidrover.com/bids/f138-100-engine-sustainment--3db0b71a-85ae-4011-8f44-a391dcdcbbc0) — General procurement · Oklahoma, United States · due 2026-11-04

## Frequently asked questions

### What is NAICS code 336412?

NAICS 336412 is "Aircraft Engine and Engine Parts Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (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…

### What is the SBA size standard for NAICS 336412?

A business is small under NAICS 336412 at or below 1,500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 336412?

BidRover counts 2 open bids that cite NAICS 336412 as of Oct 10, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 336412 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing](https://bidrover.com/naics/336415)
- [336310 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing](https://bidrover.com/naics/336310)
- [488190 Other Support Activities for Air Transportation](https://bidrover.com/naics/488190)
- [541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)](https://bidrover.com/naics/541715)
- [334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing](https://bidrover.com/naics/334511)
- [336411 Aircraft Manufacturing](https://bidrover.com/naics/336411)
- [336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing](https://bidrover.com/naics/336413)
- [336414 Guided Missile and Space Vehicle Manufacturing](https://bidrover.com/naics/336414)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.