Cross reference · AN (Air Force-Navy Aeronautical) · Machine bolt

AN65 cross reference

AN65 is a machine bolt series on 8 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

8 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: AF65
    • AF65AllfastCatalog only, needs approvalon 1 of 8 stock numbers

    Standards

      8 more on one stock number each: MS35291, MS35297, MS35355, MS90725, ASMEB1821, B1821, FFB571, FFB575
      • MS35291MSCatalog only, needs approvalon 1 of 8 stock numbers
      • MS35297MSCatalog only, needs approvalon 1 of 8 stock numbers
      • MS35355MSCatalog only, needs approvalon 1 of 8 stock numbers
      • MS90725MSCatalog only, needs approvalon 1 of 8 stock numbers
      • ASMEB1821ASMECatalog only, needs approvalon 1 of 8 stock numbers
      • B1821ANSICatalog only, needs approvalon 1 of 8 stock numbers
      • FFB571Federal specificationsCatalog only, needs approvalon 1 of 8 stock numbers
      • FFB575Federal specificationsCatalog only, needs approvalon 1 of 8 stock numbers

      Airframer and OEM drawings

        1 more on one stock number each: USAF65
        • USAF65US Air ForceCatalog only, needs approvalon 1 of 8 stock numbers

        Plus 23 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

        Get quotes for AN65

        Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

        Install tooling

        SpecLok has no catalog family for AN65. Tooling for the equivalents:

        None of the equivalents is in the SpecLok catalog yet.

        Sizes by maker

        8 stock numbers
        Part numbers DLA FLIS lists for AN65 and its equivalents, by stock number
        NSNAN65AF65MS35291ASMEB1821B1821FFB571Last DLA price
        5305-00-068-0500AN65-4-4AF65-4-4MS35291-3ASMEB18.2.1B18.2.1
        5306-00-619-5987AN65-4-5
        5306-00-281-8921AN65-4-6
        5306-00-207-9503AN65-4-7
        5306-00-496-0819AN65-4-20
        5306-00-177-5675AN65-6-20FFB571
        5306-00-379-4569AN65-6-54
        5306-00-857-6431AN65-6-64

        Each row is one National Stock Number and the part numbers DLA FLIS lists on it, as written there. A blank means FLIS lists no part in that series on the stock number, not that the size does not exist.

        Sources and how to read this page.Details

        Reference numbers the Federal Logistics Information System records against the same National Stock Number. A supply-catalog cross-reference, not an engineering-approved interchangeability: confirm against the controlling drawing or spec before substituting. Only equivalents marked cited have a manufacturer or government document, linked with each.

        Source: DLA Federal Logistics Information System, via DLA PUB LOG ↗ (FLIS Data Electronic Reading Room ↗), data as of 2025-03-18 (March 2025 snapshot). Federal supply classes 5305 Screws, 5306 Bolts. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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