Cross reference · Space-Lok · Quick release pin

SLS3B cross referenceHartwell LG3SB, MS17984

SLS3B is a Space-Lok quick release pin series on 15 government stock numbers. Its closest equivalents are Hartwell LG3SB, MS17984. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

15 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • LG3SBHartwellCatalog only, needs approvalon 13 of 15 stock numbers, 12 sizes
  • LG3CBHartwellCatalog only, needs approvalon 4 of 15 stock numbers, 4 sizes
  • BLS3B05SAvibankCatalog only, needs approvalon 2 of 15 stock numbers
  • BLS3B14SAvibankCatalog only, needs approvalon 2 of 15 stock numbers
  • BLS3BA05SAvibankCatalog only, needs approvalon 2 of 15 stock numbers
  • BLS3BA14SAvibankCatalog only, needs approvalon 2 of 15 stock numbers
  • LG3SB14MSouthcoCatalog only, needs approvalon 2 of 15 stock numbers
5 more on one stock number each: BLC3B07S, BLC3B10S, BLC3B14S, BLS3B06S, BLS3B08S
  • BLC3B07SAvibankCatalog only, needs approvalon 1 of 15 stock numbers
  • BLC3B10SAvibankCatalog only, needs approvalon 1 of 15 stock numbers
  • BLC3B14SAvibankCatalog only, needs approvalon 1 of 15 stock numbers
  • BLS3B06SAvibankCatalog only, needs approvalon 1 of 15 stock numbers
  • BLS3B08SAvibankCatalog only, needs approvalon 1 of 15 stock numbers

Standards

  • MS17984MSCatalog only, needs approvalon 15 of 15 stock numbers, 13 sizes
  • MS17984CMSCatalog only, needs approvalon 6 of 15 stock numbers, 6 sizes
  • NAS1333A3SNASCatalog only, needs approvalon 2 of 15 stock numbers, 2 sizes
2 more on one stock number each: NAS1333A3S25D, NASM1794
  • NAS1333A3S25DNASCatalog only, needs approvalon 1 of 15 stock numbers
  • NASM1794NASCatalog only, needs approvalon 1 of 15 stock numbers

Airframer and OEM drawings

    2 more on one stock number each: BLC38075, Z00N
    • BLC38075Rolls-RoyceCatalog only, needs approvalon 1 of 15 stock numbers
    • Z00NDaherCatalog only, needs approvalon 1 of 15 stock numbers

    Plus 3 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for SLS3B

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

    Install tooling

    SpecLok has no catalog family for SLS3B. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 1 of 15 stock numbers, 24 awards from 2023-03-03 to 2026-09-14.

    Latest award per stock number: $24.53 each.

    DLA production lead time: 65 to 232 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

    15 stock numbers
    Part numbers DLA FLIS lists for SLS3B and its equivalents, by stock number
    NSNSLS3BLG3SBBLS3B05SLG3SB14MMS17984NAS1333A3SLast DLA price
    5315-00-937-1347SLS3B05LG3SB0500BLS3B05SMS17984-305
    5315-01-021-0045SLS3B05BLS3B05SMS17984-305
    5315-00-904-5239SLS3B06LG3SB0600MS17984-306
    5315-00-349-8410SLS3B07LG3SB0700MS17984-307
    5315-00-546-1042SLS3B08LG3SB0800MS17984-308
    5315-00-945-2497SLS3B10LG3SB1000MS17984-310$24.53 2026-09
    5315-00-498-0642SLS3B11LG3SB1100MS17984-311
    5315-00-904-6180SLS3B12LG3SB1200MS17984-312
    5315-00-823-4894SLS3B13LG3SB1300MS17984-313
    5315-00-454-0327SLS3B14LG3SB1400LG3SB14MMS17984-314
    5315-00-935-3888SLS3B14LG3SB1400LG3SB14MMS17984-314
    5315-00-042-8556SLS3B16LG3SB2000MS17984-316
    5315-00-904-5218SLS3B21LG3SB2100MS17984-321
    5315-00-850-7010SLS3B25MS17984-325NAS1333A3S25
    5315-01-366-8828SLS3B42LG3SB4300MS17984-343NAS1333A3S43

    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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