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

VN303D cross referenceESNA 109LH, SPS NS202101SE, Cherry T6C428JM, Boeing BACN10JC

VN303D is a Howmet hexagon self-locking nut series on 3 government stock numbers. Its closest equivalents are ESNA 109LH, SPS NS202101SE, Cherry T6C428JM, Boeing BACN10JC. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

3 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 109LHESNACatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • NS202101SESPS TechnologiesCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
2 more on one stock number each: T6C428JM, T6C832J
  • T6C428JMCherry AerospaceCatalog only, needs approvalon 1 of 3 stock numbers
  • T6C832JCherry AerospaceCatalog only, needs approvalon 1 of 3 stock numbers

Airframer and OEM drawings

    5 more on one stock number each: BACN10JC, BACN10JC08CM, BACN10JC3CM, BACN10JC4CM, BACN10JCD
    • BACN10JCBoeingCatalog only, needs approvalon 1 of 3 stock numbers, 4 sizes
    • BACN10JC08CMBoeingCatalog only, needs approvalon 1 of 3 stock numbers
    • BACN10JC3CMBoeingCatalog only, needs approvalon 1 of 3 stock numbers
    • BACN10JC4CMBoeingCatalog only, needs approvalon 1 of 3 stock numbers
    • BACN10JCDBoeingCatalog only, needs approvalon 1 of 3 stock numbers

    Plus 5 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for VN303D

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

    Install tooling

    SpecLok has no catalog family for VN303D. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 2 of 3 stock numbers, 32 awards from 2023-06-16 to 2026-04-23.

    Latest award per stock number: $1.87 to $2.23 each.

    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

    3 stock numbers
    Part numbers DLA FLIS lists for VN303D and its equivalents, by stock number
    NSNVN303D109LHNS202101SET6C428JMBACN10JCLast DLA price
    5310-01-022-0321VN303D02109LH9075-3WNS202101SE-02BACN10JC-1032JM$2.23 2026-04
    5310-00-978-4023VN303D048109LH9075-4WNS202101SE-048T6C428JM$1.87 2026-04
    5310-01-112-7931VN303D82109LH9075-82WNS202101SE-82

    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 VN303D or an equivalent

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