Cross reference · NAS (Aerospace Industries Association) · Plate self-locking nut

NAS697C cross reference

NAS697C is a plate self-locking nut series on 7 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

7 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    3 more on one stock number each: LHTA51M, MA12700, MK1331
    • LHTA51MESNACatalog only, needs approvalon 1 of 7 stock numbers
    • MA12700SPS TechnologiesCatalog only, needs approvalon 1 of 7 stock numbers
    • MK1331Howmet Fastening SystemsCatalog only, needs approvalon 1 of 7 stock numbers

    Standards

      1 more on one stock number each: MS21070
      • MS21070MSCatalog only, needs approvalon 1 of 7 stock numbers

      Airframer and OEM drawings

        1 more on one stock number each: BACN10AM8A
        • BACN10AM8ABoeingCatalog only, needs approvalon 1 of 7 stock numbers

        Plus 2 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

        Get quotes for NAS697C

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

        Install tooling

        SpecLok has no catalog family for NAS697C. Tooling for the equivalents:

        None of the equivalents is in the SpecLok catalog yet.

        Sizes by maker

        7 stock numbers
        Part numbers DLA FLIS lists for NAS697C and its equivalents, by stock number
        NSNNAS697CLHTA51MMA12700MK1331MS21070BACN10AM8ALast DLA price
        5310-00-762-6158NAS697C02MA12700-26MS21070-02
        5310-00-811-9581NAS697C3LHTA51M2860-02BACN10AM8A3
        5310-00-143-6340NAS697C04
        5310-01-355-2583NAS697C04
        5310-00-812-3869NAS697C4
        5310-00-935-1216NAS697C06MK1331-06
        5310-00-881-1318NAS697C08

        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 class 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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