336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing

Official definition

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.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• 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.
• 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).

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 336413

The Census index assigns these 13 activities to this code. If your business matches one, this is your code.

• Aircraft assemblies, subassemblies, and parts (except engines) manufacturing
• Aircraft auxiliary parts (e.g., crop dusting, external fuel tanks, inflight refueling equipment) manufacturing
• Aircraft brakes manufacturing
• Aircraft control surface assemblies manufacturing
• Aircraft fuselage wing tail and similar assemblies manufacturing
• Aircraft propellers and parts manufacturing
• Aircraft wheels manufacturing
• Airframe assemblies (except for guided missiles) manufacturing
• Developing and producing prototypes for aircraft parts (except engines) and auxiliary equipment
• Joints, universal, aircraft, manufacturing
• Targets, trailer type, aircraft, manufacturing
• Tow targets, aircraft, manufacturing
• Universal joints, aircraft, manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 336413

To count as a small business for SBA loans and federal contracts under NAICS 336413, your business (including affiliates) must not exceed 1,250 employees. Check your business.

SBA footnote 7: NAICS code 336413 – Contracts for the rebuilding or overhaul of aircraft ground support equipment on a contract basis are classified under NAICS code 336413.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 3030), so treat them as a starting point and check the definition.

• 30300Manufacture of air and spacecraft and related machineryUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 336411Aircraft Manufacturing
• 336412Aircraft Engine and Engine Parts Manufacturing
• 336414Guided Missile and Space Vehicle Manufacturing
• 336415Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing
• 336419Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing