Cross reference · Hartwell · Quick release pin

LG8SB cross referenceSpace-Lok SLC8AB, MS17984

LG8SB is a Hartwell quick release pin series on 11 government stock numbers. Its closest equivalents are Space-Lok SLC8AB, MS17984. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

11 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SLC8ABSpace-LokCatalog only, needs approvalon 7 of 11 stock numbers, 7 sizes
  • SLS8BSpace-LokCatalog only, needs approvalon 6 of 11 stock numbers, 6 sizes
10 more on one stock number each: 50921A3B20R, BLC3B20S, BLC8B09S, BLC8B09SM, BLC8B10S, BLC8B10SM, BLC8B16SM, BLC8B21S, BLC8B21SM, BLC8B33S
  • 50921A3B20RAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC3B20SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B09SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B09SMAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B10SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B10SMAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B16SMAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B21SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B21SMAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLC8B33SAvibankCatalog only, needs approvalon 1 of 11 stock numbers

Standards

  • MS17984MSCatalog only, needs approvalon 10 of 11 stock numbers, 10 sizes
  • MS17984CMSCatalog only, needs approvalon 8 of 11 stock numbers, 8 sizes
1 more on one stock number each: NAS1338C3C09F
  • NAS1338C3C09FNASCatalog only, needs approvalon 1 of 11 stock numbers

Airframer and OEM drawings

    2 more on one stock number each: 551AS, GP510R
    • 551ASUS NavyCatalog only, needs approvalon 1 of 11 stock numbers
    • GP510RNorthrop GrummanCatalog only, needs approvalon 1 of 11 stock numbers

    Plus 19 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for LG8SB

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

    Install tooling

    SpecLok has no catalog family for LG8SB. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 3 of 11 stock numbers, 3 awards from 2025-04-03 to 2025-11-04.

    Latest award per stock number: $15.45 to $61.57 each.

    DLA production lead time: 99 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

    11 stock numbers
    Part numbers DLA FLIS lists for LG8SB and its equivalents, by stock number
    NSNLG8SBSLC8ABMS17984Last DLA price
    5315-00-135-9764LG8SB0900SLC8AB09MS17984-809
    5315-00-757-3574LG8SB1000SLC8AB10MS17984-810
    5315-01-010-3735LG8SB1600SLC8AB16MS17984-816
    5315-00-043-0497LG8SB1800MS17984-818
    5315-00-904-4780LG8SB2100SLC8AB21
    5315-01-071-8869LG8SB2800MS17984-828
    5315-00-257-3057LG8SB3300SLC8AB33MS17984-833
    5315-00-007-6102LG8SB3500SLC8AB35MS17984-835$15.45 2025-04
    5315-00-144-8309LG8SB4100MS17984-841$61.57 2025-07
    5315-00-044-4855LG8SB4200MS17984-320
    5315-01-129-2309LG8SB5000SLC8AB50MS17984-850$33.57 2025-11

    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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