Cross reference · MS (US military standards) · Assembled washe self-locking nut

MS21224 cross referenceESNA NE8235

MS21224 is a assembled washe self-locking nut series on 18 government stock numbers. Its closest equivalents are ESNA NE8235. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

18 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • NE8235ESNACatalog only, needs approvalon 8 of 18 stock numbers, 7 sizes
1 more on one stock number each: CR5937
  • CR5937Cherry AerospaceCatalog only, needs approvalon 1 of 18 stock numbers

Standards

  • NASM21224NASCatalog only, needs approvalon 2 of 18 stock numbers

Airframer and OEM drawings

    1 more on one stock number each: GN512AW3D
    • GN512AW3DNorthrop GrummanCatalog only, needs approvalon 1 of 18 stock numbers

    Plus 3 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for MS21224

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

    Install tooling

    SpecLok has no catalog family for MS21224. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 8 of 18 stock numbers, 568 awards from 2023-03-16 to 2026-09-09.

    Latest award per stock number: $1.33 to $121.59 each.

    DLA production lead time: 120 to 155 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

    18 stock numbers
    Part numbers DLA FLIS lists for MS21224 and its equivalents, by stock number
    NSNMS21224NE8235NASM21224Last DLA price
    5310-00-402-5711MS21224-3NE8235-3$1.33 2026-02
    5310-01-463-8956MS21224-3
    5310-00-151-5431MS21224-4NE8235-4$5.90 2025-12
    5310-01-463-8943MS21224-4
    5310-00-151-5430MS21224-5NE8235-5$4.47 2026-08
    5310-00-004-5118MS21224-6NE8235-6$5.25 2026-09
    5310-00-009-7663MS21224-7NE8235-7$9.00 2026-04
    5310-00-004-5119MS21224-8NE8235-8$3.50 2026-08
    5310-01-642-6447MS21224-8NE8235-8NASM21224
    5310-00-008-9054MS21224-9NE8235-9NASM21224$12.73 2026-07
    5310-01-105-9386MS21224-10
    5310-01-194-8492MS21224-12
    5310-01-027-4680MS21224-16$121.59 2026-05
    5310-01-138-4718MS21224-12C
    5310-01-474-1091MS21224-3C
    Show 3 more sizes
    More sizes
    NSNMS21224NE8235NASM21224Last DLA price
    5310-01-175-7603MS21224-4C
    5310-01-253-3153MS21224-5C
    5310-01-474-1094MS21224-6C

    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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