Cross reference · Southco · Turnlock fastener receptacle

PR31/2 cross referenceHuck D1405, Boeing BACS22C, Lockheed LS3020, US Navy 1214AS

PR31/2 is a Southco turnlock fastener receptacle series on 3 government stock numbers. Its closest equivalents are Huck D1405, Boeing BACS22C, Lockheed LS3020, US Navy 1214AS. 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

    1 more on one stock number each: D1405
    • D1405HuckCatalog only, needs approvalon 1 of 3 stock numbers

    Airframer and OEM drawings

    • BACS22CBoeingCatalog only, needs approvalon 2 of 3 stock numbers, 3 sizes
    • LS3020Lockheed MartinCatalog only, needs approvalon 2 of 3 stock numbers, 5 sizes
    10 more on one stock number each: 1214AS, 9M841F, BACS22A, C098, FDT0009, GR520BL, GR520BL3AN, GR520G, SMC620641, SS7001
    • 1214ASUS NavyCatalog only, needs approvalon 1 of 3 stock numbers
    • 9M841FBoeingCatalog only, needs approvalon 1 of 3 stock numbers, 2 sizes
    • BACS22ABoeingCatalog only, needs approvalon 1 of 3 stock numbers, 8 sizes
    • C098Lockheed MartinCatalog only, needs approvalon 1 of 3 stock numbers
    • FDT0009RTXCatalog only, needs approvalon 1 of 3 stock numbers
    • GR520BLNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
    • GR520BL3ANNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
    • GR520GNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers, 5 sizes
    • SMC620641US ArmyCatalog only, needs approvalon 1 of 3 stock numbers
    • SS7001SikorskyCatalog only, needs approvalon 1 of 3 stock numbers, 3 sizes

    Plus 35 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for PR31/2

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

    Install tooling

    SpecLok has no catalog family for PR31/2. 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, 9 awards from 2023-11-24 to 2025-07-07.

    Latest award per stock number: $12.50 each.

    DLA production lead time: 131 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 PR31/2 and its equivalents, by stock number
    NSNPR31/2D1405BACS22CLS30201214ASFDT0009Last DLA price
    5325-00-036-9306PR31/2-1-16437D1405-96UBACS22C27LS3020-17FD-T0009-002
    5325-00-036-9305PR31/2-389371214AS122-3$12.50 2025-07
    5325-01-184-2047PR31/2-1-4.438BACS22C11LS3020-12

    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 5325 Fastening devices. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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