Cross reference · MIL specifications · Hexagon self-locking nut

M25027/1 cross referenceMS17828, US Navy ESNA09NU

M25027/1 is a hexagon self-locking nut series on 9 government stock numbers. Its closest equivalents are MS17828, US Navy ESNA09NU. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

9 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: 09NU
    • 09NUESNACatalog only, needs approvalon 1 of 9 stock numbers, 2 sizes

    Standards

    • MS17828MSCatalog only, needs approvalon 5 of 9 stock numbers, 7 sizes
    • NASM25027MILNASCatalog only, needs approvalon 2 of 9 stock numbers, 4 sizes
    • MS25027/1MSCatalog only, needs approvalon 2 of 9 stock numbers, 3 sizes
    4 more on one stock number each: NASM25027, NASM25027D, MS205027/1, M32258
    • NASM25027NASCatalog only, needs approvalon 1 of 9 stock numbers
    • NASM25027DNASCatalog only, needs approvalon 1 of 9 stock numbers
    • MS205027/1MSCatalog only, needs approvalon 1 of 9 stock numbers, 2 sizes
    • M32258NASCatalog only, needs approvalon 1 of 9 stock numbers, 2 sizes

    Airframer and OEM drawings

    • ESNA09NUUS NavyCatalog only, needs approvalon 4 of 9 stock numbers, 8 sizes
    • 7384567PNUS NavyCatalog only, needs approvalon 2 of 9 stock numbers, 3 sizes
    • B541General DynamicsCatalog only, needs approvalon 2 of 9 stock numbers, 8 sizes
    • G547General DynamicsCatalog only, needs approvalon 2 of 9 stock numbers, 11 sizes
    • G5472101General DynamicsCatalog only, needs approvalon 2 of 9 stock numbers, 6 sizes
    • H547General DynamicsCatalog only, needs approvalon 2 of 9 stock numbers, 8 sizes
    • H577General DynamicsCatalog only, needs approvalon 2 of 9 stock numbers, 6 sizes
    • SSN688203US NavyCatalog only, needs approvalon 2 of 9 stock numbers, 4 sizes
    4 more on one stock number each: 1930038PC, 1930038PC27L, 2007670PC, 2007670PC11L
    • 1930038PCUS NavyCatalog only, needs approvalon 1 of 9 stock numbers
    • 1930038PC27LUS NavyCatalog only, needs approvalon 1 of 9 stock numbers
    • 2007670PCUS NavyCatalog only, needs approvalon 1 of 9 stock numbers
    • 2007670PC11LUS NavyCatalog only, needs approvalon 1 of 9 stock numbers

    Plus 68 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for M25027/1

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

    Install tooling

    SpecLok has no catalog family for M25027/1. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 1 of 9 stock numbers, 5 awards from 2023-12-17 to 2024-11-14.

    Latest award per stock number: $61.12 each.

    DLA production lead time: 10 to 41 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

    9 stock numbers
    Part numbers DLA FLIS lists for M25027/1 and its equivalents, by stock number
    NSNM25027/109NUMS17828NASM25027MILESNA09NUB541Last DLA price
    5310-00-866-8637M25027/1-10CL1MS17828-10L1
    5310-01-623-7821M25027/1-12CD409NU-120D4NASM25027,MIL-N-25027/1P/NM250D4
    5310-01-198-4165M25027/1-12CL1NASM25027;MIL-M-25027/1-12CL1B541-1100-66L1
    5310-01-385-5986M25027/1-14C$61.12 2024-11
    5310-00-088-5329M25027/1-14CL1MS17828-14L1ESNA09NU-149L1
    5310-01-241-1913M25027/1-16CL1ESNA09NU-168L1
    5310-01-241-1916M25027/1-18CL1MS17828-18CM0D11/8-7UNC-3BESNA09NU-187L1
    5310-01-206-2821M25027/1-24CL1MS17828-24C(MOD)B541-1100-78L1
    5310-01-206-2822M25027/1-28CL1MS17828-28CMOD13/4-5UNC-3BESNA09NU-285L1

    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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