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

NAS1021N cross reference

NAS1021N is a hexagon self-locking nut series on 12 government stock numbers. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

12 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: F52NE
    • F52NEESNACatalog only, needs approvalon 1 of 12 stock numbers

    Standards

      1 more on one stock number each: MS20365
      • MS20365MSCatalog only, needs approvalon 1 of 12 stock numbers

      Airframer and OEM drawings

        1 more on one stock number each: Z00N
        • Z00NDaherCatalog only, needs approvalon 1 of 12 stock numbers

        Plus 6 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

        Get quotes for NAS1021N

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

        Install tooling

        SpecLok has no catalog family for NAS1021N. Tooling for the equivalents:

        None of the equivalents is in the SpecLok catalog yet.

        Sizes by maker

        12 stock numbers
        Part numbers DLA FLIS lists for NAS1021N and its equivalents, by stock number
        NSNNAS1021NLast DLA price
        5310-00-621-3129NAS1021N3
        5310-00-660-3389NAS1021N04
        5310-00-660-3390NAS1021N4
        5310-00-616-2972NAS1021N5
        5310-00-622-1734NAS1021N06
        5310-00-623-7175NAS1021N6
        5310-00-620-8198NAS1021N08
        5310-00-622-1737NAS1021N8
        5310-00-802-8256NAS1021N10
        5310-00-623-7174NAS1021N12
        5310-00-274-8872NAS1021N17
        5310-00-325-1900NAS1021N17

        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.

        Next · 3 Quote

        Quote NAS1021N or an equivalent

        Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.