Cross reference · Hartwell · Quick release pin

LG12SR cross referenceSpace-Lok SLS12R, MS17987

LG12SR is a Hartwell quick release pin series on 5 government stock numbers. Its closest equivalents are Space-Lok SLS12R, MS17987. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SLS12RSpace-LokCatalog only, needs approvalon 5 of 5 stock numbers, 5 sizes
8 more on one stock number each: BL12R17S, BLS12R17S, BLS12R1S, BLS12R22N, BLS12R22S, BLS12R46S, BLS13R14S, VP12SR17S
  • BL12R17SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS12R17SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS12R1SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS12R22NAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS12R22SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS12R46SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • BLS13R14SAvibankCatalog only, needs approvalon 1 of 5 stock numbers
  • VP12SR17SHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers

Standards

  • MS17987MSCatalog only, needs approvalon 5 of 5 stock numbers, 5 sizes
  • MS17987CMSCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
2 more on one stock number each: NAS1341S6S17D, NAS1341S6S22D
  • NAS1341S6S17DNASCatalog only, needs approvalon 1 of 5 stock numbers
  • NAS1341S6S22DNASCatalog only, needs approvalon 1 of 5 stock numbers

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

Get quotes for LG12SR

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

Install tooling

SpecLok has no catalog family for LG12SR. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

Sizes by maker

5 stock numbers
Part numbers DLA FLIS lists for LG12SR and its equivalents, by stock number
NSNLG12SRSLS12RBL12R17SVP12SR17SMS17987NAS1341S6S17DLast DLA price
5315-01-367-8782LG12SR1400SLS12R14MS17987-1214
5315-01-367-8785LG12SR1700SLS12R17BL12R17SVP12SR17SMS17987-1217NAS1341S6S17D
5315-00-045-8782LG12SR2200SLS12R22MS17987-1222
5315-00-485-2270LG12SR4100SLS12R41MS17987-1241
5315-01-011-7156LG12SR4600SLS12R46MS17987-1246

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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