Cross reference · Hartwell · Quick release pin
LG4CR cross referenceSpace-Lok SLC4R, MS17987C
LG4CR is a Hartwell quick release pin series on 8 government stock numbers. It is cross-referenced to Space-Lok SLC4R, MS17987C. Each one is labeled with how strong the evidence is.
- Issued by Hartwell
- Item Quick release pin
- Stock numbers 8
- Cross-referenced series 16
- DLA paid $15.88 to $61.15
Series in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- SLC4RSpace-LokCatalog only, needs approvalon 8 of 8 stock numbers, 8 sizes
11 more on one stock number each: BLC4R22S, BLC4R22SM, BLC4R24SM, BLC4R29SM, BLC4R30SM, BLC4R31SM, BLC4R32SM, BLC4R35S, BLC4R35SM, BLC4R39SM, BLS4R22S
- BLC4R22SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R22SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R24SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R29SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R30SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R31SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R32SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R35SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R35SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLC4R39SMAvibankCatalog only, needs approvalon 1 of 8 stock numbers
- BLS4R22SAvibankCatalog only, needs approvalon 1 of 8 stock numbers
Standards
- MS17987CMSCatalog only, needs approvalon 8 of 8 stock numbers, 8 sizes
- MS17987MSCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
1 more on one stock number each: NAS1334C6C30D
- NAS1334C6C30DNASCatalog only, needs approvalon 1 of 8 stock numbers
Airframer and OEM drawings
1 more on one stock number each: 7490A24H
- 7490A24HNorthrop GrummanCatalog only, needs approvalon 1 of 8 stock numbers
Plus 11 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for LG4CR
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for LG4CR. Tooling for the cross-referenced series:
None of these series is in the SpecLok catalog yet.
What the government paid
DLA awards on 4 of 8 stock numbers, 5 awards from 2023-12-10 to 2026-08-26.
Latest award per stock number: $15.88 to $61.15 each.
DLA production lead time: 98 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 | LG4CR | SLC4R | BLC4R22S | MS17987C | NAS1334C6C30D | 7490A24H | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5315-00-182-9723 | LG4CR2200 | SLC4R22 | BLC4R22S | MS17987C422 | $15.88 2024-03 | ||
| 5315-00-519-7406 | LG4CR2400 | SLC4R24 | MS17987C424 | $19.83 2025-12 | |||
| 5315-00-242-7206 | LG4CR2900 | SLC4R29 | MS17987C429 | $36.18 2026-08 | |||
| 5315-00-454-0387 | LG4CR3000 | SLC4R30 | MS17987C430 | NAS1334C6C30D | 7490A24H01-30C | ||
| 5315-00-728-8284 | LG4CR3100 | SLC4R31 | MS17987C431 | ||||
| 5315-00-343-1033 | LG4CR3200 | SLC4R32 | MS17987C432 | $61.15 2026-05 | |||
| 5315-00-187-5597 | LG4CR3500 | SLC4R35 | MS17987C435 | ||||
| 5315-00-886-5717 | LG4CR3900 | SLC4R39 | MS17987C439 |
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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