336412 — Aircraft Engine and Engine Parts Manufacturing
Description
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) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3724 - Aircraft Engines and Engine Parts (via SIC1987:3724→NAICS1997:336412→2002:336412→2007:336412→2012:336412→2017:336412→2022:336412)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
- PSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
- PSC 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers
- PSC 2935 — Engine System Cooling Components, Aircraft Prime Moving
- PSC 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
- PSC 2950 — Turbosuperchargers and components
- PSC 2995 — Miscellaneous Engine Accessories, Aircraft
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 336412 valid in 2022? ▾
Yes, 336412 is a valid 6-digit 2022 NAICS national industry code representing 'Aircraft Engine and Engine Parts Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 336412? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,500 employees for NAICS code 336412 (Aircraft Engine and Engine Parts Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 336412? ▾
According to official Census Bureau concordance tables, NAICS code 336412 (Aircraft Engine and Engine Parts Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3724 - Aircraft Engines and Engine Parts.
Related Pages & Tools
Further regulatory reference links for NAICS code 336412:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 336412 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Aircraft Engine and Engine Parts Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.