NAICS 336413: Other Aircraft Parts and Auxiliary Equipment Manufacturing

Other Aircraft Parts and Auxiliary Equipment Manufacturing is NAICS code 336413. A business is small under it with 1,250 employees or fewer. 398 federal contracts are open on SAM.gov under this code right now.

SBA size standard
1,250 employees or fewer
Open contracts now
398
Federal spending, FY2025
$19.9 billion
Share won by small businesses
15%
Small businesses registered
2,508

Open federal contracts for other aircraft parts and auxiliary equipment manufacturing

Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.

  • Transmission, Mechan_End_Item_B-1B_NSN_1680011427637RK_PN_NF53300-04A

    Dept of Defense · Defense Logistics Agency

    ✦ The Air Force's 423rd Supply Chain Management Squadron at Tinker AFB, Oklahoma is doing market research to find companies that can newly manufacture a mechanical transmission…

    Aircraft, ship & vehicle parts

    Due in 1 dayOct 5, 2026

  • Transmission, Mechan_End_Item_B-1B_NSN_1680011427633RK_PN_NF53302-03B

    Dept of Defense · Defense Logistics Agency

    ✦ The Air Force's 423rd Supply Chain Management Squadron at Tinker AFB, Oklahoma is doing market research for new manufacture of a mechanical transmission used on the B-1B bomber…

    Aircraft, ship & vehicle parts

    Due in 1 dayOct 5, 2026

  • C-5 SEALS SUCCESSOR PROJECT

    Dept of Defense · Defense Logistics Agency

    Aircraft, ship & vehicle parts

    Due in 1 dayOct 5, 2026

  • Overhaul - Various Accumulators

    Department of Homeland Security · US Coast Guard

    ✦ The U.S. Coast Guard's Aviation Logistics Center wants a small business to overhaul various accumulators under a firm-fixed-price purchase order.

    Aircraft, ship & vehicle partsSmall business

    Due in 1 dayOct 5, 2026

  • REELING MACHINE,AIR

    Dept of Defense · Defense Logistics Agency

    ✦ DLA Aviation at Philadelphia is soliciting a REELING MACHINE, AIR under NAICS 336413 (small business size standard 1,250 employees).

    Aircraft, ship & vehicle parts

    Due in 1 dayOct 5, 2026

  • FUEL CELL,RH SPONSO

    Dept of Defense · Defense Logistics Agency

    ✦ The Defense Logistics Agency (DLA Aviation, Philadelphia) wants newly manufactured Fuel Cell, RH Sponson units for military aircraft.

    Aircraft, ship & vehicle parts

    Due in 1 dayOct 5, 2026

See all 398 open contracts under NAICS 336413 →

What NAICS 336413 covers

The Census Bureau's NAICS index lists these kinds of work under 336413:

  • 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

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 336413

To count as a small business for a contract assigned NAICS 336413, your business must have 1,250 employees or fewer. Employees are averaged over the last 24 months.

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

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys other aircraft parts and auxiliary equipment manufacturing

Agencies that awarded the most under NAICS 336413 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Air Force$20.1 billion
Department of the Navy$15.6 billion
Defense Logistics Agency$10.7 billion
Department of the Army$5.5 billion
U.S. Coast Guard$648.9 million
U.S. Special Operations Command$492.1 million
Missile Defense Agency$102.7 million
Federal Acquisition Service$60.9 million

Open notices right now come from Dept of Defense (548) and Department of Homeland Security (19).

Set-asides on open 336413 contracts

  • No set-aside (full and open): 489
  • Total small business set-aside: 69
  • Women-owned set-aside: 6
  • HUBZone set-aside: 2
  • Service-disabled veteran-owned set-aside: 2

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Your competition

2,508 businesses with active SAM.gov registrations are rated small under NAICS 336413, most of them in California (354), Florida (279), Texas (216), Virginia (132) and Michigan (96). Look any of them up with the free CAGE code and UEI lookup.

Federal spending under 336413 by year

Fiscal yearContract obligations
FY2024$16.8 billion
FY2025$19.9 billion
FY2026$16.2 billion
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Related NAICS codes

Frequently asked questions

What is NAICS code 336413?

336413 is the 2022 NAICS code for Other Aircraft Parts and Auxiliary Equipment Manufacturing. The Census Bureau's index lists work such as 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 under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 336413?

1,250 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for other aircraft parts and auxiliary equipment manufacturing?

Yes. 398 federal contract opportunities under NAICS 336413 are open on SAM.gov right now. Agencies obligated about $19.9 billion under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 336413 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.