Cross reference · US Navy · Machine bolt

CB1S cross referenceAN1S

CB1S is a US Navy machine bolt series on 8 government stock numbers. Its closest equivalents are AN1S. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

8 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: AF30S
    • AF30SAllfastCatalog only, needs approvalon 1 of 8 stock numbers

    Standards

    • AN1SANCatalog only, needs approvalon 6 of 8 stock numbers, 13 sizes
    1 more on one stock number each: FFS85TYPE1STYLE10S
    • FFS85TYPE1STYLE10SMIL specificationsCatalog only, needs approvalon 1 of 8 stock numbers

    Plus 363 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for CB1S

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

    Install tooling

    SpecLok has no catalog family for CB1S. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 1 of 8 stock numbers, 1 awards from 2023-10-11 to 2023-10-11.

    Latest award per stock number: $300.00 each.

    DLA production lead time: 112 to 484 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

    8 stock numbers
    Part numbers DLA FLIS lists for CB1S and its equivalents, by stock number
    NSNCB1SAF30SAN1SFFS85TYPE1STYLE10SLast DLA price
    5305-00-273-9360CB1S5901-10PC25
    5306-00-206-4343CB1S5901-311289ALT1PC15AN1S59-55PC15$300.00 2023-10
    5310-00-637-1157CB1S5901-46PC31-3AF30S5901-670014PC43
    5310-00-314-3543CB1S6505-67PC62AN1S65-931PC62
    5306-00-206-1914CB1S6505-67PC9AN1S65-931PC9FFS85TYPE1STYLE10S
    5305-00-207-2061CB1S6505-68PC30AN1S65-932PC30
    5305-00-314-3541CB1S6505-68PC49AN1S65-932PC49
    5310-00-227-4886CB1S6505-71ALT3ITEM28AN1S65-931PC33

    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, 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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