# NAICS 336413: Other Aircraft Parts and Auxiliary Equipment Manufacturing

The SBA size standard for NAICS 336413 is 1,250 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 336413 |
| Title | Other Aircraft Parts and Auxiliary Equipment Manufacturing |
| Level | 6 |
| Parent | 33641 |
| Size standard | 1,250 employees |
| Footnote | 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. 8. NAICS Codes 522110, 522130, 522180, and 522210 —A financial institution's assets are determined by averaging the assets reported on its four quarterly financial statements for the preceding year. “Assets” for the purposes of this size standard means the assets defined according to the Federal Financial Institutions Examination Council 041 call report form for NAICS codes 522110, 522180, and 522210 and the National Credit Union Administration 5300 call report form for NAICS code 522130. |

## Description

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.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/336413/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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