Cross reference · Hartwell · Quick release pin

LH5C cross referenceSouthco LH5CR, MS17990C

LH5C is a Hartwell quick release pin series on 13 government stock numbers. Its closest equivalents are Southco LH5CR, MS17990C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

13 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • LH5CRSouthcoCatalog only, needs approvalon 12 of 13 stock numbers, 12 sizes
11 more on one stock number each: BLC5R06N, BLC5R08N, BLC5R11N, BLC5R12N, BLC5R13N, BLC5R15N, BLC5R16N, BLC5R18N, BLC5R19N, BLC5R21N, BLC5R24N
  • BLC5R06NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R08NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R11NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R12NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R13NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R15NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R16NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R18NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R19NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R21NAvibankCatalog only, needs approvalon 1 of 13 stock numbers
  • BLC5R24NAvibankCatalog only, needs approvalon 1 of 13 stock numbers

Standards

  • MS17990CMSCatalog only, needs approvalon 13 of 13 stock numbers, 13 sizes
4 more on one stock number each: NAS1332TYPE2STYLE, NAS1335S6S16D, NAS1355C7C16D, MS17990
  • NAS1332TYPE2STYLENASCatalog only, needs approvalon 1 of 13 stock numbers
  • NAS1335S6S16DNASCatalog only, needs approvalon 1 of 13 stock numbers
  • NAS1355C7C16DNASCatalog only, needs approvalon 1 of 13 stock numbers
  • MS17990MSCatalog only, needs approvalon 1 of 13 stock numbers

Airframer and OEM drawings

    1 more on one stock number each: 1121370M
    • 1121370MMBDACatalog only, needs approvalon 1 of 13 stock numbers

    Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for LH5C

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

    Install tooling

    SpecLok has no catalog family for LH5C. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 2 of 13 stock numbers, 2 awards from 2025-07-18 to 2026-06-10.

    Latest award per stock number: $40.91 to $135.00 each.

    DLA production lead time: 30 to 49 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

    13 stock numbers
    Part numbers DLA FLIS lists for LH5C and its equivalents, by stock number
    NSNLH5CLH5CRMS17990CLast DLA price
    5315-01-044-6694LH5C-R-06MLH5CR0600MS17990C506
    5315-00-450-1928LH5C-R-08MLH5CR0800MS17990C508
    5315-00-884-8666LH5C-R-10MLH5CR1000MS17990C510
    5315-00-519-7369LH5C-R-11MLH5CR1100MS17990C511
    5315-00-235-0269LH5C-R-12MLH5CR1200MS17990C512
    5315-00-150-2794LH5C-R-13MLH5CR1300MS17990C513$135.00 2025-07
    5315-01-073-5863LH5C-R-15MLH5CR1500MS17990C515
    5315-00-984-2775LH5C-R-16MLH5CR1600MS17990C516$40.91 2026-06
    5315-00-938-9075LH5C-R-18MLH5CR1800MS17990C518
    5315-00-913-5486LH5C-R-19MMS17990C519
    5315-00-385-2968LH5C-R-21MLH5CR2100MS17990C521
    5315-00-179-4141LH5C-R-24MLH5CR2400MS17990C524
    5315-01-014-4640LH5C-R-33MLH5CR3300MS17990C533

    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.

    Next · 3 Quote

    Quote LH5C or an equivalent

    Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.

    Open your quote →Look up a specific size →All cross references →