Cross reference · Hartwell · Quick release pin

LG5CR cross referenceSpace-Lok SLC5R, MS17987C

LG5CR is a Hartwell quick release pin series on 12 government stock numbers. Its closest equivalents are Space-Lok SLC5R, MS17987C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

12 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SLC5RSpace-LokCatalog only, needs approvalon 11 of 12 stock numbers, 11 sizes
6 more on one stock number each: BLS5R06S, BLS5R10S, BLS5R12S, BLS5R24S, BLS5R24SM, SLS5R
  • BLS5R06SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
  • BLS5R10SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
  • BLS5R12SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
  • BLS5R24SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
  • BLS5R24SMAvibankCatalog only, needs approvalon 1 of 12 stock numbers
  • SLS5RSpace-LokCatalog only, needs approvalon 1 of 12 stock numbers

Standards

  • MS17987CMSCatalog only, needs approvalon 12 of 12 stock numbers, 12 sizes
1 more on one stock number each: MS17987
  • MS17987MSCatalog only, needs approvalon 1 of 12 stock numbers

Plus 12 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for LG5CR

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

Install tooling

SpecLok has no catalog family for LG5CR. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 3 of 12 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

12 stock numbers
Part numbers DLA FLIS lists for LG5CR and its equivalents, by stock number
NSNLG5CRSLC5RMS17987CLast DLA price
5315-00-150-3021LG5CR0600SLC5R06MS17987C506
5315-00-051-1422LG5CR1000SLC5R10MS17987C510
5315-00-949-1873LG5CR1200SLC5R12MS17987C512$15.20 2024-08
5315-00-860-2058LG5CR1500MS17987C515
5315-00-140-4893LG5CR1600SLC5R16MS17987C516$19.73 2026-05
5315-00-948-0910LG5CR1700SLC5R17MS17987C517
5315-00-925-9768LG5CR1800SLC5R18MS17987C518$30.48 2025-04
5315-01-005-6750LG5CR1900SLC5R19MS17987C519
5315-00-051-1423LG5CR2000SLC5R20MS17987C520
5315-00-925-9769LG5CR2100SLC5R21MS17987C521
5315-01-046-0845LG5CR2400SLC5R24MS17987C524
5315-00-177-4200LG5CR5900SLC5R59MS17987C559

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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