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

NAS1027C cross referenceESNA 70ZA

NAS1027C is a plate self-locking nut series on 5 government stock numbers. Its closest equivalents are ESNA 70ZA. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 70ZAESNACatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes

Standards

    2 more on one stock number each: MS21056, MS21058
    • MS21056MSCatalog only, needs approvalon 1 of 5 stock numbers
    • MS21058MSCatalog only, needs approvalon 1 of 5 stock numbers

    Get quotes for NAS1027C

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

    Install tooling

    SpecLok has no catalog family for NAS1027C. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    Sizes by maker

    5 stock numbers
    Part numbers DLA FLIS lists for NAS1027C and its equivalents, by stock number
    NSNNAS1027C70ZAMS21056Last DLA price
    5310-00-726-1072NAS1027C3
    5310-01-452-0348NAS1027C4
    5310-00-820-0376NAS1027C570ZA5-054
    5310-00-903-1526NAS1027C06
    5310-00-822-1789NAS1027C670ZA5-064MS21056-6

    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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