Cross reference · Space-Lok · Quick release pin

SLC3R cross referenceHartwell LG3CR, MS17987C

SLC3R is a Space-Lok quick release pin series on 16 government stock numbers. Its closest equivalents are Hartwell LG3CR, MS17987C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

16 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • LG3CRHartwellCatalog 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 2 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for SLC3R

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

Install tooling

SpecLok has no catalog family for SLC3R. Tooling for the equivalents:

None of the equivalents 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 SLC3R and its equivalents, by stock number
NSNSLC3RLG3CRMS17987CLast DLA price
5315-00-939-0819SLC3R03LG3CR0300MS17987C303
5315-00-606-9869SLC3R04LG3CR0400MS17987C304
5315-00-051-1432SLC3R05LG3CR0500MS17987C305
5315-00-051-1410SLC3R06LG3CR0600MS17987C306$7.08 2025-12
5315-00-948-0716SLC3R07LG3CR0700MS17987C307
5315-00-903-7880SLC3R08LG3CR0800MS17987C308
5315-00-051-1411SLC3R10LG3CR1000MS17987C310
5315-01-057-0987SLC3R12LG3CR1200MS17987C312
5315-00-461-5554SLC3R13LG3CR1300MS17987C313$35.52 2026-02
5315-00-596-7535SLC3R14LG3CR1400MS17987C314$24.80 2025-12
5315-00-941-3595SLC3R16LG3CR1600MS17987C316
5315-00-915-2362SLC3R18LG3CR1800MS17987C318
5315-00-494-1870SLC3R21LG3CR2100MS17987C321
5315-00-461-5574SLC3R25LG3CR2500MS17987C325
5315-00-135-9765SLC3R50LG3CR5000MS17987C350
Show 1 more sizes
More sizes
NSNSLC3RLG3CRMS17987CLast DLA price
5315-00-182-9890SLC3R51LG3CR5100MS17987C351

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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