Cross reference · Space-Lok · Quick release pin

SLS8R cross referenceHartwell LG8SR, MS17987

SLS8R is a Space-Lok quick release pin series on 8 government stock numbers. Its closest equivalents are Hartwell LG8SR, MS17987. 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

  • LG8SRHartwellCatalog only, needs approvalon 8 of 8 stock numbers, 8 sizes
  • LG8CLHartwellCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
10 more on one stock number each: 50921R8T15N, BL8R14S, BLC8LA13S, BLC8LA13SM, BLC8LA45S, BLC8LA45SM, BLC8R13S, BLC8R14SM, BLC8TA15S, BLC8TA15SM
  • 50921R8T15NAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BL8R14SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8LA13SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8LA13SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8LA45SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8LA45SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8R13SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8R14SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8TA15SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
  • BLC8TA15SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers

Standards

  • MS17987MSCatalog only, needs approvalon 7 of 8 stock numbers, 7 sizes
  • MS17986MSCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
  • MS17986CMSCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
  • MS17987CMSCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
3 more on one stock number each: NASM17987, MS17985, MS17985C
  • NASM17987NASCatalog only, needs approvalon 1 of 8 stock numbers
  • MS17985MSCatalog only, needs approvalon 1 of 8 stock numbers
  • MS17985CMSCatalog only, needs approvalon 1 of 8 stock numbers

Airframer and OEM drawings

    1 more on one stock number each: GP510R1R8T
    • GP510R1R8TNorthrop GrummanCatalog only, needs approvalon 1 of 8 stock numbers

    Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for SLS8R

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

    Install tooling

    SpecLok has no catalog family for SLS8R. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 2 of 8 stock numbers, 13 awards from 2023-02-09 to 2026-08-12.

    Latest award per stock number: $17.83 to $41.66 each.

    DLA production lead time: 74 to 174 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 SLS8R and its equivalents, by stock number
    NSNSLS8RLG8SR50921R8T15NMS17987NASM17987GP510R1R8TLast DLA price
    5315-00-051-4105SLS8R12LG8SR1200MS17987-812
    5315-00-943-2054SLS8R13LG8SR1300MS17987-813$41.66 2026-08
    5315-00-186-3458SLS8R14LG8SR1400
    5315-00-685-0553SLS8R15LG8SR150050921R8T15NMS17987-815GP510R1R8T15
    5315-00-051-4113SLS8R30LG8SR3000MS17987-830
    5315-01-021-9316SLS8R42LG8SR4200MS17987-842
    5315-00-763-9287SLS8R45LG8SR4500MS17987-845$17.83 2024-03
    5315-01-367-6450SLS8R57LG8SR5700MS17987-857NASM17987-857

    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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