Cross reference · Space-Lok · Quick release pin

SLC4AB cross referenceHartwell LG4CB, MS17984C

SLC4AB is a Space-Lok quick release pin series on 33 government stock numbers. Its closest equivalents are Hartwell LG4CB, MS17984C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

33 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • LG4CBHartwellCatalog only, needs approvalon 31 of 33 stock numbers, 31 sizes
  • LG4SBHartwellCatalog only, needs approvalon 11 of 33 stock numbers, 11 sizes
10 more on one stock number each: BLC4B03S, BLC4B03SF, BLC4B03SM, BLC4B04S, BLC4B04SM, BLC4B05S, BLC4B05SM, BLC4B06S, BLC4B06SM, BLC4B07SM
  • BLC4B03SAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B03SFAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B03SMAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B04SAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B04SMAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B05SAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B05SMAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B06SAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B06SMAvibankCatalog only, needs approvalon 1 of 33 stock numbers
  • BLC4B07SMAvibankCatalog only, needs approvalon 1 of 33 stock numbers

Standards

  • MS17984CMSCatalog only, needs approvalon 33 of 33 stock numbers, 33 sizes
  • MS17984MSCatalog only, needs approvalon 19 of 33 stock numbers, 19 sizes
  • NAS1334C3CNASCatalog only, needs approvalon 2 of 33 stock numbers, 2 sizes
9 more on one stock number each: NAS1334A3C, NAS1334C, NAS1334C3C03D, NAS1334C3C05D, NAS1334C3C07D, NAS1334C3C20D, NAS1334S3S07D, NAS1334S3S24D, NASM17984C
  • NAS1334A3CNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334CNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334C3C03DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334C3C05DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334C3C07DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334C3C20DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334S3S07DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NAS1334S3S24DNASCatalog only, needs approvalon 1 of 33 stock numbers
  • NASM17984CNASCatalog only, needs approvalon 1 of 33 stock numbers

Airframer and OEM drawings

  • 5192174ITEMUS NavyCatalog only, needs approvalon 3 of 33 stock numbers, 3 sizes
9 more on one stock number each: 1C6360P, 7384913PN, BACP18AM4B24H, BACP18AM4B34H, EB211017268, G525, G5255301, G547, PWA57741
  • 1C6360PGECatalog only, needs approvalon 1 of 33 stock numbers
  • 7384913PNUS NavyCatalog only, needs approvalon 1 of 33 stock numbers
  • BACP18AM4B24HBoeingCatalog only, needs approvalon 1 of 33 stock numbers
  • BACP18AM4B34HBoeingCatalog only, needs approvalon 1 of 33 stock numbers
  • EB211017268General DynamicsCatalog only, needs approvalon 1 of 33 stock numbers
  • G525General DynamicsCatalog only, needs approvalon 1 of 33 stock numbers
  • G5255301General DynamicsCatalog only, needs approvalon 1 of 33 stock numbers
  • G547General DynamicsCatalog only, needs approvalon 1 of 33 stock numbers
  • PWA57741RTXCatalog only, needs approvalon 1 of 33 stock numbers

Plus 10 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for SLC4AB

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

Install tooling

SpecLok has no catalog family for SLC4AB. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 21 of 33 stock numbers, 407 awards from 2023-01-20 to 2026-09-09.

Latest award per stock number: $5.00 to $75.94 each.

DLA production lead time: 51 to 221 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

33 stock numbers
Part numbers DLA FLIS lists for SLC4AB and its equivalents, by stock number
NSNSLC4ABLG4CBMS17984CLast DLA price
5315-00-962-4476SLC4AB03LG4CB0300MS17984C403
5315-00-880-5131SLC4AB04LG4CB0400MS17984C404
5315-00-904-1662SLC4AB05LG4CB0500MS17984C405$13.46 2026-09
5315-00-914-5838SLC4AB06LG4CB0600MS17984C406
5315-00-901-1330SLC4AB07LG4CB0700MS17984C407
5315-00-082-1825SLC4AB08LG4CB0800MS17984C408$5.00 2023-11
5315-00-904-1663SLC4AB09LG4CB0900MS17984C409$15.64 2026-06
5315-00-926-5417SLC4AB10LG4CB1000MS17984C410$7.03 2026-03
5315-00-453-6274SLC4AB11MS17984C411$17.95 2025-05
5315-00-723-2463SLC4AB12LG4CB1200MS17984C412$7.24 2026-03
5315-00-904-1665SLC4AB13LG4CB1300MS17984C413$6.88 2025-12
5315-00-904-1666SLC4AB14LG4CB1400MS17984C414
5315-00-904-1673SLC4AB15LG4CB1500MS17984C415$13.94 2026-07
5315-00-904-1672SLC4AB16LG4CB1600MS17984C416$8.68 2026-05
5315-00-151-5893SLC4AB17MS17984C417$19.12 2026-01
Show 18 more sizes
More sizes
NSNSLC4ABLG4CBMS17984CLast DLA price
5315-00-082-1827SLC4AB18LG4CB1800MS17984C418$18.80 2026-09
5315-00-494-8525SLC4AB19LG4CB1900MS17984C419
5315-00-904-1671SLC4AB20LG4CB2000MS17984C420$17.36 2026-08
5315-00-904-1670SLC4AB21LG4CB21000MS17984C421$20.65 2026-05
5315-00-177-3722SLC4AB23LG4CB2300MS17984C423$22.11 2025-05
5315-01-053-7105SLC4AB24LG4CB2400MS17984C424
5315-00-052-7056SLC4AB25LG4CB2500MS17984C-425$16.80 2026-09
5315-00-143-0642SLC4AB26LG4CB2600MS17984C426
5315-00-937-7682SLC4AB27LG4CB2700MS17984C427
5315-01-072-4800SLC4AB28LG4CB2800MS17984C428$19.61 2026-01
5315-00-571-9629SLC4AB31LG4CB3100MS17984C431$7.17 2026-05
5315-00-916-6579SLC4AB32LG4CB3200MS17984C432$34.19 2025-01
5315-00-158-3761SLC4AB33LG4CB3300MS17984C433
5315-00-883-9360SLC4AB34LG4CB3400MS17984C434$29.66 2026-02
5315-00-985-6619SLC4AB38LG4CB3800MS17984C438$75.94 2024-03
5315-00-150-3009SLC4AB43LG4CB4300MS17984C443$8.97 2025-09
5315-00-338-1619SLC4AB48LG4CB4800MS17984C448
5315-00-072-3103SLC4AB75LG4CB7500MS17984C475

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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