Cross reference · Leonardo · Hexagon head cap screw

K500 cross referenceFFS85TYPE2STYLE10PGRADE

K500 is a Leonardo hexagon head cap screw series on 12 government stock numbers. Its closest equivalents are FFS85TYPE2STYLE10PGRADE. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

12 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: SC111
    • SC111Howmet Fastening SystemsCatalog only, needs approvalon 1 of 12 stock numbers

    Standards

    • FFS85TYPE2STYLE10PGRADEFederal specificationsCatalog only, needs approvalon 5 of 12 stock numbers
    • MS90726MSCatalog only, needs approvalon 4 of 12 stock numbers, 4 sizes
    • NASM90725NASCatalog only, needs approvalon 3 of 12 stock numbers
    • NASM90726NASCatalog only, needs approvalon 3 of 12 stock numbers, 2 sizes
    • MS35297MSCatalog only, needs approvalon 3 of 12 stock numbers, 3 sizes
    • MS35298MSCatalog only, needs approvalon 2 of 12 stock numbers, 2 sizes
    6 more on one stock number each: NASM24665, MS24665, MS25338, MS35204, MS35206, MS35225
    • NASM24665NASCatalog only, needs approvalon 1 of 12 stock numbers, 2 sizes
    • MS24665MSCatalog only, needs approvalon 1 of 12 stock numbers
    • MS25338MSCatalog only, needs approvalon 1 of 12 stock numbers
    • MS35204MSCatalog only, needs approvalon 1 of 12 stock numbers
    • MS35206MSCatalog only, needs approvalon 1 of 12 stock numbers, 2 sizes
    • MS35225MSCatalog only, needs approvalon 1 of 12 stock numbers

    Airframer and OEM drawings

      11 more on one stock number each: 2220HX, 353A, 353AX, 911C, HK799G16M, LS1091338, N5787461380, N80P13006Q, P10906, P3679, P833
      • 2220HXOshkoshCatalog only, needs approvalon 1 of 12 stock numbers
      • 353AOshkoshCatalog only, needs approvalon 1 of 12 stock numbers
      • 353AXOshkoshCatalog only, needs approvalon 1 of 12 stock numbers
      • 911CCollins AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
      • HK799G16MRTXCatalog only, needs approvalon 1 of 12 stock numbers
      • LS1091338General DynamicsCatalog only, needs approvalon 1 of 12 stock numbers
      • N5787461380AirbusCatalog only, needs approvalon 1 of 12 stock numbers
      • N80P13006QGECatalog only, needs approvalon 1 of 12 stock numbers, 2 sizes
      • P10906RTXCatalog only, needs approvalon 1 of 12 stock numbers
      • P3679HoneywellCatalog only, needs approvalon 1 of 12 stock numbers
      • P833BAE SystemsCatalog only, needs approvalon 1 of 12 stock numbers

      Plus 171 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

      Get quotes for K500

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

      Install tooling

      SpecLok has no catalog family for K500. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 3 of 12 stock numbers, 31 awards from 2023-03-30 to 2026-06-01.

      Latest award per stock number: $0.0500 to $0.38 each.

      DLA production lead time: 45 to 308 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

      12 stock numbers
      Part numbers DLA FLIS lists for K500 and its equivalents, by stock number
      NSNK500FFS85TYPE2STYLE10PGRADEMS90726NASM90725Last DLA price
      5310-00-582-5965K-500-CH-0107$0.0500 2026-06
      5305-00-018-0147K-500-CH-0208FFS85TYPE2STYLE10PGRADE5NASM90725
      5305-00-727-5677K-500-CH-0305FFS85TYPE2STYLE10PGRADE5MS90726-162
      5305-00-761-4227K-500-CH-0311MS90726-111
      5305-00-018-0145K-500-CH-0389FFS85TYPE2STYLE10PGRADE5NASM90725
      5305-00-018-0177K-500-CH-0491NASM90725
      5305-00-984-4988K-500-CH-0529$0.14 2026-05
      5305-00-267-8961K-500-CH-0724MS90726-17
      5305-00-018-1705K-500-CH-1932FFS85TYPE2STYLE10PGRADE5
      5305-00-018-1573K-500-CH-2073
      5305-00-269-2801K-500-CH-2446FFS85TYPE2STYLE10PGRADE5MS90726-58$0.38 2023-03
      5315-00-842-3044K-500-PC-0001

      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 classes 5305 Screws, 5310 Nuts and washers, 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 K500 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 →