Cross reference · SPS Technologies · Plate self-locking nut

NS202493 cross referenceHowmet F51747, ESNA 102A

NS202493 is a SPS plate self-locking nut series on 10 government stock numbers. Its closest equivalents are Howmet F51747, ESNA 102A. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

10 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • F51747Howmet Fastening SystemsCatalog only, needs approvalon 9 of 10 stock numbers, 9 sizes
  • 102AESNACatalog only, needs approvalon 8 of 10 stock numbers, 8 sizes
  • BRFR220CHowmet Fastening SystemsCatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
  • 109AESNACatalog only, needs approvalon 2 of 10 stock numbers, 2 sizes
2 more on one stock number each: BQCN10KE5ACD, F517747
  • BQCN10KE5ACDHowmet Fastening SystemsCatalog only, needs approvalon 1 of 10 stock numbers
  • F517747Howmet Fastening SystemsCatalog only, needs approvalon 1 of 10 stock numbers

Airframer and OEM drawings

    11 more on one stock number each: 81205/BACN10KE4B2CD, BACN10KE3B2CD, BACN10KE3B3CD, BACN10KE3B4CD, BACN10KE3B6CD, BACN10KE4ACD, BACN10KE4B2CD, BACN10KE5ACD, BACN10KE5B2CD, BACN10KE5B3CD, BACN10KE5B5CD
    • 81205/BACN10KE4B2CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE3B2CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE3B3CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE3B4CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE3B6CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE4ACDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE4B2CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE5ACDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE5B2CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE5B3CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers
    • BACN10KE5B5CDBoeingCatalog only, needs approvalon 1 of 10 stock numbers

    Get quotes for NS202493

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

    Install tooling

    SpecLok has no catalog family for NS202493. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 3 of 10 stock numbers, 8 awards from 2023-02-27 to 2026-08-20.

    Latest award per stock number: $5.13 to $11.40 each.

    DLA production lead time: 61 to 421 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

    10 stock numbers
    Part numbers DLA FLIS lists for NS202493 and its equivalents, by stock number
    NSNNS202493F51747102A81205/BACN10KE4B2CDLast DLA price
    5310-01-339-0241NS202493-02-2F51747-3-2CD102A9213-2-3
    5310-01-341-3128NS202493-02-6F51747-3-6CD102A9213-6-3
    5310-01-338-3366NS202493-03-3F51747-3-3CD102A9213-3-3$5.75 2026-08
    5310-01-338-7328NS202493-03-4F51747-3-4CD102A9213-4-3
    5310-01-338-3368NS202493-04-1F51747-4-1CD$5.13 2024-12
    5310-01-338-4101NS202493-05-1F51747-5-1CD
    5310-01-339-0941NS202493-05-2F51747-5-2CD102A9213-2-5
    5310-01-633-7121NS202493-048-2102A9213-2-481205/BACN10KE4B2CD$11.40 2024-04
    5310-01-340-5082NS202493-054-3F51747-5-3CD102A9213-3-5
    5310-01-672-8958NS202493-054-5F51747-5-5CD102A9213-5-5

    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.

    Next · 3 Quote

    Quote NS202493 or an equivalent

    Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.

    Open your quote →Look up a specific size →All cross references →