Cross reference · Hartwell · Quick release pin
LG3SR cross referenceSpace-Lok SLS3R, MS17987
LG3SR is a Hartwell quick release pin series on 12 government stock numbers. Its closest equivalents are Space-Lok SLS3R, MS17987. Each one is labeled with how strong the evidence is.
- Issued by Hartwell
- Item Quick release pin
- Stock numbers 12
- Equivalents 14
- DLA paid $14.65 to $38.30
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- SLS3RSpace-LokCatalog only, needs approvalon 12 of 12 stock numbers, 12 sizes
8 more on one stock number each: BLC3LA12S, BLC3R12S, BLS3R06S, BLS3R23S, BLS3R29S, BLS3R30S, BLS3R37S, SLC3AL
- BLC3LA12SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLC3R12SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLS3R06SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLS3R23SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLS3R29SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLS3R30SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- BLS3R37SAvibankCatalog only, needs approvalon 1 of 12 stock numbers
- SLC3ALSpace-LokCatalog only, needs approvalon 1 of 12 stock numbers
Standards
Plus 14 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for LG3SR
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for LG3SR. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 2 of 12 stock numbers, 4 awards from 2023-01-27 to 2024-07-25.
Latest award per stock number: $14.65 to $38.30 each.
DLA production lead time: 85 to 292 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
| NSN | LG3SR | SLS3R | MS17987 | Last DLA price |
|---|---|---|---|---|
| 5315-00-924-5930 | LG3SR3030 | SLS3R03 | MS17987-303 | |
| 5315-00-404-9501 | LG3SR3040 | SLS3R04 | MS17987-304 | |
| 5315-00-051-1409 | LG3SR3050 | SLS3R05 | MS17987-305 | |
| 5315-00-929-1641 | LG3SR3060 | SLS3R06 | MS17987-306 | |
| 5315-00-934-0211 | LG3SR3090 | SLS3R09 | MS17987-309 | |
| 5315-00-004-5048 | LG3SR3120 | SLS3R12 | MS17987-312 | $14.65 2023-05 |
| 5315-00-784-3819 | LG3SR3200 | SLS3R20 | MS17987-320 | |
| 5315-00-051-1414 | LG3SR3230 | SLS3R23 | MS17987-323 | |
| 5315-00-903-7565 | LG3SR3290 | SLS3R29 | MS17987-329 | |
| 5315-01-367-4913 | LG3SR3300 | SLS3R30 | MS17987-330 | $38.30 2024-07 |
| 5315-01-367-4917 | LG3SR3330 | SLS3R33 | MS17987-333 | |
| 5315-00-135-5067 | LG3SR3700 | SLS3R37 | MS17987-337 |
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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