Cross reference · Howmet Fastening Systems · Plate self-locking nut

F51747 cross referenceSPS NS202493, ESNA 102A

F51747 is a Howmet plate self-locking nut series on 11 government stock numbers. Its closest equivalents are SPS NS202493, ESNA 102A. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

11 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • NS202493SPS TechnologiesCatalog only, needs approvalon 9 of 11 stock numbers, 10 sizes
  • 102AESNACatalog only, needs approvalon 7 of 11 stock numbers, 7 sizes
  • 109AESNACatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
2 more on one stock number each: 101F, NS103191SE
  • 101FESNACatalog only, needs approvalon 1 of 11 stock numbers
  • NS103191SESPS TechnologiesCatalog only, needs approvalon 1 of 11 stock numbers

Airframer and OEM drawings

    12 more on one stock number each: BACN10KE3B2C, BACN10KE3B2CD, BACN10KE3B2CM, BACN10KE3B3CD, BACN10KE3B3CM, BACN10KE3B4CD, BACN10KE3B6CD, BACN10KE4ACD, BACN10KE5ACD, BACN10KE5B2CD, BACN10KE5B3CD, BACN10KE5B5CD
    • BACN10KE3B2CBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B2CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B2CMBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B3CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B3CMBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B4CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE3B6CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE4ACDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE5ACDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE5B2CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE5B3CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers
    • BACN10KE5B5CDBoeingCatalog only, needs approvalon 1 of 11 stock numbers

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

    Get quotes for F51747

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

    Install tooling

    SpecLok has no catalog family for F51747. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 4 of 11 stock numbers, 13 awards from 2023-02-17 to 2026-08-20.

    Latest award per stock number: $2.67 to $91.14 each.

    DLA production lead time: 61 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

    11 stock numbers
    Part numbers DLA FLIS lists for F51747 and its equivalents, by stock number
    NSNF51747NS202493102ALast DLA price
    5310-01-248-8389F51747-3-2$91.14 2025-04
    5310-01-339-0241F51747-3-2CDNS202493-02-2102A9213-2-3
    5310-01-338-4106F51747-3-3-DL$2.67 2023-02
    5310-01-338-3366F51747-3-3CDNS202493-03-3102A9213-3-3$5.75 2026-08
    5310-01-338-7328F51747-3-4CDNS202493-03-4102A9213-4-3
    5310-01-341-3128F51747-3-6CDNS202493-02-6102A9213-6-3
    5310-01-338-3368F51747-4-1CDNS202493-04-1$5.13 2024-12
    5310-01-338-4101F51747-5-1CDNS202493-05-1
    5310-01-339-0941F51747-5-2CDNS202493-05-2102A9213-2-5
    5310-01-340-5082F51747-5-3CDNS202493-054-3102A9213-3-5
    5310-01-672-8958F51747-5-5CDNS202493-054-5102A9213-5-5

    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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