Cross reference · Hartwell · Quick release pin
LG4SB cross referenceSpace-Lok SLS4B, MS17984
LG4SB is a Hartwell quick release pin series on 18 government stock numbers. It is cross-referenced to Space-Lok SLS4B, MS17984. Each one is labeled with how strong the evidence is.
- Issued by Hartwell
- Item Quick release pin
- Stock numbers 18
- Cross-referenced series 21
- DLA paid $7.24 to $29.66
Series in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- SLS4BSpace-LokCatalog only, needs approvalon 18 of 18 stock numbers, 18 sizes
- SLC4ABSpace-LokCatalog only, needs approvalon 11 of 18 stock numbers, 11 sizes
10 more on one stock number each: BLC4B03S, BLC4B03SF, BLC4B03SM, BLC4B04S, BLC4B04SM, BLC4B11S, BLC4B11SM, BLC4B12S, BLC4B12SM, BLC4B16S
- BLC4B03SAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B03SFAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B03SMAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B04SAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B04SMAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B11SAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B11SMAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B12SAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B12SMAvibankCatalog only, needs approvalon 1 of 18 stock numbers
- BLC4B16SAvibankCatalog only, needs approvalon 1 of 18 stock numbers
Standards
- MS17984MSCatalog only, needs approvalon 17 of 18 stock numbers, 17 sizes
- MS17984CMSCatalog only, needs approvalon 11 of 18 stock numbers, 11 sizes
4 more on one stock number each: NAS1334C3C03D, NAS1334C3C20D, NAS1334S3S24D, NAS1354S7S
- NAS1334C3C03DNASCatalog only, needs approvalon 1 of 18 stock numbers
- NAS1334C3C20DNASCatalog only, needs approvalon 1 of 18 stock numbers
- NAS1334S3S24DNASCatalog only, needs approvalon 1 of 18 stock numbers
- NAS1354S7SNASCatalog only, needs approvalon 1 of 18 stock numbers
Airframer and OEM drawings
3 more on one stock number each: 5192174ITEM, BACP18AM4B24H, BACP18AM4B34H
- 5192174ITEMUS NavyCatalog only, needs approvalon 1 of 18 stock numbers
- BACP18AM4B24HBoeingCatalog only, needs approvalon 1 of 18 stock numbers
- BACP18AM4B34HBoeingCatalog only, needs approvalon 1 of 18 stock numbers
Plus 36 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for LG4SB
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for LG4SB. Tooling for the cross-referenced series:
None of these series is in the SpecLok catalog yet.
What the government paid
DLA awards on 7 of 18 stock numbers, 294 awards from 2023-02-21 to 2026-09-09.
Latest award per stock number: $7.24 to $29.66 each.
DLA production lead time: 118 to 232 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 | LG4SB | SLS4B | MS17984 | Last DLA price |
|---|---|---|---|---|
| 5315-00-962-4476 | LG4SB0300 | SLS4B03 | MS17984-403 | |
| 5315-00-880-5131 | LG4SB0400 | SLS4B04 | MS17984-404 | |
| 5315-00-904-5225 | LG4SB0500 | SLS4B05 | MS17984-405 | |
| 5315-00-904-5221 | LG4SB0700 | SLS4B07 | MS17984-407 | |
| 5315-00-453-6274 | LG4SB1100 | SLS4B11 | $17.95 2025-05 | |
| 5315-00-723-2463 | LG4SB1200 | SLS4B12 | MS17984-412 | $7.24 2026-03 |
| 5315-00-904-1672 | LG4SB1600 | SLS4B16 | MS17984-416 | $8.68 2026-05 |
| 5315-00-904-5227 | LG4SB1700 | SLS4B17 | MS17984-417 | |
| 5315-00-494-8525 | LG4SB1900 | SLS4B19 | MS17984-419 | |
| 5315-00-904-1671 | LG4SB2000 | SLS4B20 | MS17984-420 | $17.36 2026-08 |
| 5315-00-904-1670 | LG4SB2100 | SLS4B21 | MS17984-421 | $20.65 2026-05 |
| 5315-00-482-9702 | LG4SB2300 | SLS4B23 | MS17984-423 | |
| 5315-01-053-7105 | LG4SB2400 | SLS4B24 | MS17984-424 | |
| 5315-00-052-7056 | LG4SB2500 | SLS4B25 | MS17984-425 | $16.80 2026-09 |
| 5315-00-904-5233 | LG4SB2600 | SLS4B26 | MS17984-426 |
Show 3 more sizes
| NSN | LG4SB | SLS4B | MS17984 | Last DLA price |
|---|---|---|---|---|
| 5315-00-883-9360 | LG4SB3400 | SLS4B34 | MS17984-434 | $29.66 2026-02 |
| 5315-01-075-6284 | LG4SB6100 | SLS4B61 | MS17984-461 | |
| 5315-01-076-9556 | LG4SB6600 | SLS4B66 | MS17984-466 |
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
Next · 3 Quote
Quote LG4SB or an equivalent
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