Cross reference · Hartwell · Quick release pin

LH12CR cross referenceAvibank BLC12R21N, MS17990C

LH12CR is a Hartwell quick release pin series on 3 government stock numbers. Its closest equivalents are Avibank BLC12R21N, MS17990C. 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

    3 more on one stock number each: BLC12R21N, BLC12R25N, BLC12R31N
    • BLC12R21NAvibankCatalog only, needs approvalon 1 of 3 stock numbers
    • BLC12R25NAvibankCatalog only, needs approvalon 1 of 3 stock numbers
    • BLC12R31NAvibankCatalog only, needs approvalon 1 of 3 stock numbers

    Standards

    • MS17990CMSCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes

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

    Get quotes for LH12CR

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

    Install tooling

    SpecLok has no catalog family for LH12CR. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 1 of 3 stock numbers, 3 awards from 2025-02-04 to 2025-08-29.

    Latest award per stock number: $340.00 each.

    DLA production lead time: 30 to 149 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

    3 stock numbers
    Part numbers DLA FLIS lists for LH12CR and its equivalents, by stock number
    NSNLH12CRBLC12R21NMS17990CLast DLA price
    5315-00-413-7467LH12CR2100BLC12R21NMS17990C1221
    5315-00-009-0513LH12CR2500MS17990C1225
    5315-00-890-3533LH12CR3100MS17990C1231$340.00 2025-08

    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 5315 Nails, machine keys and pins. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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