Cross reference · Hartwell · Quick release pin

LG4CL cross referenceSpace-Lok SLC4AL, MS17986C

LG4CL is a Hartwell quick release pin series on 24 government stock numbers. Its closest equivalents are Space-Lok SLC4AL, MS17986C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

24 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SLC4ALSpace-LokCatalog only, needs approvalon 24 of 24 stock numbers, 24 sizes
  • SLS4ALSpace-LokCatalog only, needs approvalon 7 of 24 stock numbers, 7 sizes
  • BLS4LAAvibankCatalog only, needs approvalon 2 of 24 stock numbers, 2 sizes
9 more on one stock number each: 50603C4L, BL3LA57S, BLC4LA03S, BLC4LA03SM, BLC4LA04S, BLC4LA04SM, BLC4LA05S, BLC4LA05SM, BLC4LA0625S
  • 50603C4LAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BL3LA57SAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA03SAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA03SMAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA04SAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA04SMAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA05SAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA05SMAvibankCatalog only, needs approvalon 1 of 24 stock numbers
  • BLC4LA0625SAvibankCatalog only, needs approvalon 1 of 24 stock numbers

Standards

  • MS17986CMSCatalog only, needs approvalon 24 of 24 stock numbers, 24 sizes
  • MS17986MSCatalog only, needs approvalon 17 of 24 stock numbers, 18 sizes
  • NAS1334A5CNASCatalog only, needs approvalon 3 of 24 stock numbers, 3 sizes
  • NAS1334C5CNASCatalog only, needs approvalon 2 of 24 stock numbers, 2 sizes
6 more on one stock number each: NAS1334A5C04D, NAS1334A5C11D, NAS1334A5S05D, NAS1334A5S23D, NAS1334C5C11D, NASM23460
  • NAS1334A5C04DNASCatalog only, needs approvalon 1 of 24 stock numbers
  • NAS1334A5C11DNASCatalog only, needs approvalon 1 of 24 stock numbers
  • NAS1334A5S05DNASCatalog only, needs approvalon 1 of 24 stock numbers
  • NAS1334A5S23DNASCatalog only, needs approvalon 1 of 24 stock numbers
  • NAS1334C5C11DNASCatalog only, needs approvalon 1 of 24 stock numbers
  • NASM23460NASCatalog only, needs approvalon 1 of 24 stock numbers

Airframer and OEM drawings

    3 more on one stock number each: 7490A24H, BACP18AM4L09HC, C1398C5C12D
    • 7490A24HNorthrop GrummanCatalog only, needs approvalon 1 of 24 stock numbers
    • BACP18AM4L09HCBoeingCatalog only, needs approvalon 1 of 24 stock numbers
    • C1398C5C12DLockheed MartinCatalog only, needs approvalon 1 of 24 stock numbers

    Plus 16 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for LG4CL

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

    Install tooling

    SpecLok has no catalog family for LG4CL. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 10 of 24 stock numbers, 140 awards from 2023-02-06 to 2026-06-11.

    Latest award per stock number: $5.75 to $50.00 each.

    DLA production lead time: 63 to 330 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

    24 stock numbers
    Part numbers DLA FLIS lists for LG4CL and its equivalents, by stock number
    NSNLG4CLSLC4ALMS17986CNAS1334A5CLast DLA price
    5315-00-519-7401LG4CL0300SLC4AL03MS17986C403
    5315-00-420-0514LG4CL0400SLC4AL04MS17986C404$20.50 2025-08
    5315-00-921-0961LG4CL0500SLC4AL05MS17986C405$28.15 2026-05
    5315-00-151-9653LG4CL0600SLC4AL06MS17986C406$7.28 2026-06
    5315-00-917-2628LG4CL0700SLC4AL07MS17986C407
    5315-00-921-0962LG4CL0800SLC4AL08MS17986C408$7.59 2026-05
    5315-00-945-0552LG4CL0900SLC4AL09MS17986C409
    5315-00-945-0551LG4CL1000SLC4AL10MS17986C410$5.75 2026-05
    5315-00-965-6702LG4CL1100SLC4AL11MS17986C411$13.75 2024-02
    5315-00-945-0550LG4CL1200SLC4AL12MS17986C412NAS1334A5C12$30.24 2026-05
    5315-00-945-0549LG4CL1300SLC4AL13MS17986C413
    5315-00-010-8438LG4CL1400SLC4AL14MS17986C414
    5315-00-369-0077LG4CL1500SLC4AL15MS17986C415NAS1334A5C15$11.57 2025-04
    5315-00-973-8637LG4CL1600SLC4AL16MS17986C416
    5315-00-999-4005LG4CL1700SLC4AL17MS17986C417NAS1334A5C17
    Show 9 more sizes
    More sizes
    NSNLG4CLSLC4ALMS17986CNAS1334A5CLast DLA price
    5315-00-481-6269LG4CL1800SLC4AL18MS17986C418
    5315-00-904-6873LG4CL2000SLC4AL20MS17986C420
    5315-00-143-0538LG4CL2200SLC4AL22MS17986C422
    5315-00-376-9034LG4CL2300SLC4AL23MS17986C423$23.08 2026-05
    5315-00-904-6870LG4CL3000SLC4AL30MS17986C430
    5315-00-367-5487LG4CL3800SLC4AL38MS17986C438$50.00 2025-10
    5315-00-420-9680LG4CL4100SLC4AL41MS17986C441
    5315-01-021-9315LG4CL6000SLC4AL60MS17986C460
    5315-00-896-1089LG4CL9600SLC4AL96MS17986C496

    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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