Cross reference · Huck (Howmet) · Extended washer self-locking nut

BMN10GW cross referenceHowmet VN497A, ESNA LH8420, NAS1804, Boeing BACN10GW

BMN10GW is a Huck extended washer self-locking nut series on 4 government stock numbers. Its closest equivalents are Howmet VN497A, ESNA LH8420, NAS1804, Boeing BACN10GW. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

4 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • VN497AHowmet Fastening SystemsCatalog only, needs approvalon 3 of 4 stock numbers, 3 sizes
1 more on one stock number each: LH8420
  • LH8420ESNACatalog only, needs approvalon 1 of 4 stock numbers

Standards

    1 more on one stock number each: NAS1804
    • NAS1804NASCatalog only, needs approvalon 1 of 4 stock numbers

    Airframer and OEM drawings

    • BACN10GWBoeingCatalog only, needs approvalon 4 of 4 stock numbers, 4 sizes

    Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for BMN10GW

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

    Install tooling

    SpecLok has no catalog family for BMN10GW. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 1 of 4 stock numbers, 1 awards from 2026-05-28 to 2026-05-28.

    Latest award per stock number: $143.40 each.

    DLA production lead time: 240 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

    4 stock numbers
    Part numbers DLA FLIS lists for BMN10GW and its equivalents, by stock number
    NSNBMN10GWVN497ALH8420NAS1804BACN10GWLast DLA price
    5310-01-187-6109BMN10GW6VN497A064LH8420-6NAS1804-6BACN10GW6
    5310-01-049-7800BMN10GW-9VN497A098BACN10GW9
    5310-00-005-0492BMN10GW-10VN497A108BACN10GW10
    5310-01-054-1661BMN10GW20BACN10GW20$143.40 2026-05

    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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