Cross reference · Boeing · Plate self-locking nut

BACN10JS3B cross referenceHowmet BRF120A, SPS NS103220

BACN10JS3B is a Boeing plate self-locking nut series on 3 government stock numbers. Its closest equivalents are Howmet BRF120A, SPS NS103220. 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

    4 more on one stock number each: BRF120A, F1972, NS103220, VN181A
    • BRF120AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers
    • F1972Howmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers
    • NS103220SPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
    • VN181AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers

    Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for BACN10JS3B

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

    Install tooling

    SpecLok has no catalog family for BACN10JS3B. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    Sizes by maker

    3 stock numbers
    Part numbers DLA FLIS lists for BACN10JS3B and its equivalents, by stock number
    NSNBACN10JS3BBRF120ANS103220Last DLA price
    5310-01-032-3513BACN10JS3B2NS103220-02-2
    5310-01-449-0482BACN10JS3B4BRF120A4-3
    5310-01-659-7320BACN10JS3B6

    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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