Cross reference · MS (US military standards) · Extended washer self-locking nut

MS14144L cross referenceESNA RME9868, SPS 73781M, Northrop GN512FP

MS14144L is a extended washer self-locking nut series on 12 government stock numbers. Its closest equivalents are ESNA RME9868, SPS 73781M, Northrop GN512FP. 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

  • RME9868ESNACatalog only, needs approvalon 9 of 12 stock numbers, 9 sizes
  • 73781MSPS TechnologiesCatalog only, needs approvalon 3 of 12 stock numbers, 3 sizes

Standards

    4 more on one stock number each: NASM14144, NASM14144L, NASM14144P/NL, NASM25027
    • NASM14144NASCatalog only, needs approvalon 1 of 12 stock numbers
    • NASM14144LNASCatalog only, needs approvalon 1 of 12 stock numbers
    • NASM14144P/NLNASCatalog only, needs approvalon 1 of 12 stock numbers
    • NASM25027NASCatalog only, needs approvalon 1 of 12 stock numbers

    Airframer and OEM drawings

    • GN512FPNorthrop GrummanCatalog only, needs approvalon 4 of 12 stock numbers, 4 sizes
    1 more on one stock number each: NSA5060
    • NSA5060BAE SystemsCatalog only, needs approvalon 1 of 12 stock numbers

    Plus 9 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for MS14144L

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

    Install tooling

    SpecLok has no catalog family for MS14144L. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 8 of 12 stock numbers, 230 awards from 2023-03-22 to 2026-09-09.

    Latest award per stock number: $1.82 to $30.00 each.

    DLA production lead time: 130 to 255 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

    12 stock numbers
    Part numbers DLA FLIS lists for MS14144L and its equivalents, by stock number
    NSNMS14144LRME986873781MGN512FPLast DLA price
    5310-01-057-3110MS14144L3RME9868-3$1.82 2026-02
    5310-01-055-3852MS14144L4RME9868-473781M428GN512FP4$2.12 2026-03
    5310-00-090-4136MS14144L5RME9868-573781M524GN512FP5$3.60 2026-05
    5310-01-057-9359MS14144L6RME9868-6$3.00 2026-08
    5310-01-311-8705MS14144L7RME9868-7GN512FP7$5.02 2026-02
    5310-01-057-3109MS14144L8RME9868-8$5.07 2026-04
    5310-01-243-9019MS14144L9$11.31 2025-09
    5310-01-274-9821MS14144L10
    5310-01-160-5719MS14144L12RME9868-1273781M-1216GN512FP12$30.00 2026-09
    5310-01-361-5505MS14144L14RME9868-14
    5310-01-361-5506MS14144L16RME9868-16
    5310-01-467-6355MS14144L20

    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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