Cross reference · Boeing · Close tolerance screw

BACB30LH4U cross referenceHuck BAC30LH4U

BACB30LH4U is a Boeing close tolerance screw series on 4 government stock numbers. Its closest equivalents are Huck BAC30LH4U. 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

    1 more on one stock number each: BAC30LH4U
    • BAC30LH4UHuckCatalog only, needs approvalon 1 of 4 stock numbers

    Get quotes for BACB30LH4U

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

    Install tooling

    SpecLok has no catalog family for BACB30LH4U. 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 2023-08-15 to 2023-08-15.

    Latest award per stock number: $3.60 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

    4 stock numbers
    Part numbers DLA FLIS lists for BACB30LH4U and its equivalents, by stock number
    NSNBACB30LH4UBAC30LH4ULast DLA price
    5305-01-059-3589BACB30LH4U3$3.60 2023-08
    5305-01-056-0173BACB30LH4U5BAC30LH4U5
    5305-01-231-9340BACB30LH4U6
    5306-01-521-3324BACB30LH4U17

    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 classes 5305 Screws, 5306 Bolts. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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