Cross reference · Lockheed Martin · Pin-rivet

9900P cross referenceHi-Shear HL50, Huck DA1500, Fastener FITR4100, Southco PFSC31/2

9900P is a Lockheed pin-rivet series on 3 government stock numbers. Its closest equivalents are Hi-Shear HL50, Huck DA1500, Fastener FITR4100, Southco PFSC31/2. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

3 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    6 more on one stock number each: HL50, HL51, DA1500, FITR4100, PFSC31/2, PFSC35
    • HL50Hi-ShearCatalog only, needs approvalon 1 of 3 stock numbers
    • HL51Hi-ShearCatalog only, needs approvalon 1 of 3 stock numbers
    • DA1500HuckCatalog only, needs approvalon 1 of 3 stock numbers
    • FITR4100Fastener Innovation TechnologyCatalog only, needs approvalon 1 of 3 stock numbers
    • PFSC31/2SouthcoCatalog only, needs approvalon 1 of 3 stock numbers
    • PFSC35SouthcoCatalog only, needs approvalon 1 of 3 stock numbers

    Airframer and OEM drawings

      11 more on one stock number each: 107B, 1611AS, 1G11AS11G, 600039P, BACS21DX, C295435, FDT0008, GS52041, GS520U, GS520U1A, ST390442
      • 107BBAE SystemsCatalog only, needs approvalon 1 of 3 stock numbers
      • 1611ASUS NavyCatalog only, needs approvalon 1 of 3 stock numbers
      • 1G11AS11GUS NavyCatalog only, needs approvalon 1 of 3 stock numbers
      • 600039PBAE SystemsCatalog only, needs approvalon 1 of 3 stock numbers
      • BACS21DXBoeingCatalog only, needs approvalon 1 of 3 stock numbers
      • C295435HoneywellCatalog only, needs approvalon 1 of 3 stock numbers
      • FDT0008RTXCatalog only, needs approvalon 1 of 3 stock numbers
      • GS52041Northrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
      • GS520UNorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
      • GS520U1ANorthrop GrummanCatalog only, needs approvalon 1 of 3 stock numbers
      • ST390442BAE SystemsCatalog only, needs approvalon 1 of 3 stock numbers

      Plus 27 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

      Get quotes for 9900P

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

      Install tooling

      SpecLok has no catalog family for 9900P. Tooling for the equivalents:

      Sizes by maker

      3 stock numbers
      Part numbers DLA FLIS lists for 9900P and its equivalents, by stock number
      NSN9900PHL50DA1500FITR4100PFSC31/2107BLast DLA price
      5320-01-357-94449900P00755-005HL50-5-5
      5320-01-323-23539900P00755-014
      5325-00-886-37339900P00878-001DA1500-6-A-1FITR4100-06-1-APFSC31/2-38ACDPLBLK107B8251-2

      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 5320 Rivets, 5325 Fastening devices. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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