Cross reference · Space-Lok · Quick release pin

SLC5R cross referenceHartwell LG5CR, MS17987C

SLC5R is a Space-Lok quick release pin series on 11 government stock numbers. Its closest equivalents are Hartwell LG5CR, MS17987C. 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

  • LG5CRHartwellCatalog only, needs approvalon 11 of 11 stock numbers, 11 sizes
11 more on one stock number each: BLS5R06S, BLS5R10S, BLS5R12S, BLS5R24S, BLS5R24SM, LG5CR06M, LG5CR10M, LG5CR12M, LG5CR16M, LG5CR17M, LG5CR18M
  • BLS5R06SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLS5R10SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLS5R12SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLS5R24SAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • BLS5R24SMAvibankCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR06MHartwellCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR10MHartwellCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR12MHartwellCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR16MHartwellCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR17MHartwellCatalog only, needs approvalon 1 of 11 stock numbers
  • LG5CR18MHartwellCatalog only, needs approvalon 1 of 11 stock numbers

Standards

  • MS17987CMSCatalog only, needs approvalon 11 of 11 stock numbers, 11 sizes
1 more on one stock number each: MS17987
  • MS17987MSCatalog only, needs approvalon 1 of 11 stock numbers

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

Get quotes for SLC5R

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

Install tooling

SpecLok has no catalog family for SLC5R. 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, 6 awards from 2023-11-20 to 2026-05-13.

Latest award per stock number: $15.20 to $30.48 each.

DLA production lead time: 77 to 173 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 SLC5R and its equivalents, by stock number
NSNSLC5RLG5CRMS17987CLast DLA price
5315-00-150-3021SLC5R06LG5CR0600MS17987C506
5315-00-051-1422SLC5R10LG5CR1000MS17987C510
5315-00-949-1873SLC5R12LG5CR1200MS17987C512$15.20 2024-08
5315-00-140-4893SLC5R16LG5CR1600MS17987C516$19.73 2026-05
5315-00-948-0910SLC5R17LG5CR1700MS17987C517
5315-00-925-9768SLC5R18LG5CR1800MS17987C518$30.48 2025-04
5315-01-005-6750SLC5R19LG5CR1900MS17987C519
5315-00-051-1423SLC5R20LG5CR2000MS17987C520
5315-00-925-9769SLC5R21LG5CR2100MS17987C521
5315-01-046-0845SLC5R24LG5CR2400MS17987C524
5315-00-177-4200SLC5R59LG5CR5900MS17987C559

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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