336413

Other Aircraft Parts and Auxiliary Equipment Manufacturing

Manufacturing › Transportation Equipment Manufacturing › Aerospace Product and Parts Manufacturing

SBA Size Standard

1,250 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

336

Subsector

Transportation Equipment Manufacturing

3364

Industry Group

Aerospace Product and Parts Manufacturing

336413

National Industry (This Code)

Other Aircraft Parts and Auxiliary Equipment Manufacturing

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This U.S. industry comprises establishments primarily engaged in (1) manufacturing aircraft parts or auxiliary equipment (except engines and aircraft fluid power subassemblies) and/or (2) developing and making prototypes of aircraft parts and auxiliary equipment. Auxiliary equipment includes such items as crop dusting apparatus, armament racks, inflight refueling equipment, and external fuel tanks.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

1,250 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 336413

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments primarily engaged in manufacturing aircraft engines and engine parts are classified in U.S. Industry 336412, Aircraft Engine and Engine Parts Manufacturing;
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;
Establishments primarily engaged in manufacturing aircraft lighting fixtures and aircraft engine electrical (aeronautical electrical) equipment are classified in Industry 336320, Motor Vehicle Electrical and Electronic Equipment Manufacturing;
Establishments primarily engaged in manufacturing guided missile and space vehicle parts and auxiliary equipment are classified in U.S. Industry 336419, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing;
Establishments primarily engaged in manufacturing aircraft fluid power subassemblies are classified in U.S. Industry 332912, Fluid Power Valve and Hose Fitting Manufacturing;
Establishments primarily engaged in manufacturing aircraft seating are classified in Industry 336360, Motor Vehicle Seating and Interior Trim Manufacturing; and
Research and development establishments primarily engaged in aircraft parts and auxiliary equipment 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).

How to Use NAICS 336413 in SAM.gov

NAICS code 336413Other Aircraft Parts and Auxiliary Equipment Manufacturing — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Aerospace Product and Parts Manufacturing space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,250 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 336413.

Log in Entity Registration Goods & Services Add NAICS Code Enter 336413 Save

Frequently Asked Questions

What is NAICS code 336413?

NAICS code 336413 is 'Other Aircraft Parts and Auxiliary Equipment Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in (1) manufacturing aircraft parts or auxiliary equipment (except engines and aircraft fluid power subassemblies) and/or (2) developing a

What is the SBA small business size standard for NAICS code 336413?

The SBA defines a small business under NAICS code 336413 (Other Aircraft Parts and Auxiliary Equipment Manufacturing) as one with 1,250 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 336413 in SAM.gov?

To register NAICS code 336413 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 336413 (Other Aircraft Parts and Auxiliary Equipment Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Aerospace Product and Parts Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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