Cross reference · Hartwell · Quick release pin

LG3CR cross referenceSpace-Lok SLC3R, MS17987C

LG3CR is a Hartwell quick release pin series on 16 government stock numbers. It is cross-referenced to Space-Lok SLC3R, MS17987C. Each one is labeled with how strong the evidence is.

Series in the government catalog

16 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SLC3RSpace-LokCatalog only, needs approvalon 16 of 16 stock numbers, 16 sizes
11 more on one stock number each: BLC3R06S, BLC3R08S, BLD3R04S, BLS3R03S, BLS3R05S, BLS3R12S, BLS3R13S, BLS3R14S, BLS3R16S, BLS3R18S, BLS3R21S
  • BLC3R06SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLC3R08SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLD3R04SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R03SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R05SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R12SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R13SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R14SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R16SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R18SAvibankCatalog only, needs approvalon 1 of 16 stock numbers
  • BLS3R21SAvibankCatalog only, needs approvalon 1 of 16 stock numbers

Standards

  • MS17987CMSCatalog only, needs approvalon 16 of 16 stock numbers, 16 sizes
2 more on one stock number each: NAS1333C6C, MS17987
  • NAS1333C6CNASCatalog only, needs approvalon 1 of 16 stock numbers
  • MS17987MSCatalog only, needs approvalon 1 of 16 stock numbers

Plus 17 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for LG3CR

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

Install tooling

SpecLok has no catalog family for LG3CR. Tooling for the cross-referenced series:

None of these series is in the SpecLok catalog yet.

What the government paid

DLA awards on 3 of 16 stock numbers, 10 awards from 2023-02-22 to 2026-02-25.

Latest award per stock number: $7.08 to $35.52 each.

DLA production lead time: 56 to 69 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

16 stock numbers
Part numbers DLA FLIS lists for LG3CR and the series cross-referenced to it, by stock number
NSNLG3CRSLC3RMS17987CLast DLA price
5315-00-939-0819LG3CR0300SLC3R03MS17987C303
5315-00-606-9869LG3CR0400SLC3R04MS17987C304
5315-00-051-1432LG3CR0500SLC3R05MS17987C305
5315-00-051-1410LG3CR0600SLC3R06MS17987C306$7.08 2025-12
5315-00-948-0716LG3CR0700SLC3R07MS17987C307
5315-00-903-7880LG3CR0800SLC3R08MS17987C308
5315-00-051-1411LG3CR1000SLC3R10MS17987C310
5315-01-057-0987LG3CR1200SLC3R12MS17987C312
5315-00-461-5554LG3CR1300SLC3R13MS17987C313$35.52 2026-02
5315-00-596-7535LG3CR1400SLC3R14MS17987C314$24.80 2025-12
5315-00-941-3595LG3CR1600SLC3R16MS17987C316
5315-00-915-2362LG3CR1800SLC3R18MS17987C318
5315-00-494-1870LG3CR2100SLC3R21MS17987C321
5315-00-461-5574LG3CR2500SLC3R25MS17987C325
5315-00-135-9765LG3CR5000SLC3R50MS17987C350
Show 1 more sizes
More sizes
NSNLG3CRSLC3RMS17987CLast DLA price
5315-00-182-9890LG3CR5100SLC3R51MS17987C351

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.

Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers

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