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

NAS1023A cross referenceMS21047L

NAS1023A is a plate self-locking nut series on 6 government stock numbers. Its closest equivalents are MS21047L. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

6 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: R2000A
    • R2000AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers

    Standards

    • MS21047LMSCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes

    Airframer and OEM drawings

      1 more on one stock number each: Z00N
      • Z00NDaherCatalog only, needs approvalon 1 of 6 stock numbers

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

      Get quotes for NAS1023A

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

      Install tooling

      SpecLok has no catalog family for NAS1023A. Tooling for the equivalents:

      What the government paid

      DLA awards on 1 of 6 stock numbers, 1 awards from 2025-02-27 to 2025-02-27.

      Latest award per stock number: $0.21 each.

      DLA production lead time: 149 days.

      Per size in the table below.

      DLA prices at DLA quantities, not a quote.Source

      DLA award prices at DLA quantities and terms, not a commercial quote. Each award may bundle packaging, delivery and inspection terms that a commercial buy does not. Vendors are shown by CAGE code only.

      Source: DLA FOIA Electronic Reading Room ↗, public FOIA releases. Files: 2023ContHist.zip/2023ContractHistory.txt, 2024ContHist.zip/2024ContractHistory.txt, contracthist2025.zip/contracthist2025.txt, 2026-09-16-1038_contracthist.zip/2026-09-16-1038_contracthist.txt.

      Sizes by maker

      6 stock numbers
      Part numbers DLA FLIS lists for NAS1023A and its equivalents, by stock number
      NSNNAS1023AR2000AMS21047LZ00NLast DLA price
      5310-00-764-7282NAS1023A3R2000A3MS21047L3Z00.N5421375225$0.21 2025-02
      5310-00-045-8350NAS1023A04
      5310-00-989-7775NAS1023A4
      5310-01-010-9535NAS1023A08
      5310-00-815-0727NAS1023A8MS21047L8
      5310-01-043-3454NAS1023A10

      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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