Cross reference · Sikorsky · Key washer

SS5075 cross referenceNAS1443

SS5075 is a Sikorsky key washer series on 5 government stock numbers. Its closest equivalents are NAS1443. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

    1 more on one stock number each: SL60W
    • SL60WSPS TechnologiesCatalog only, needs approvalon 1 of 5 stock numbers

    Standards

    • NAS1443NASCatalog only, needs approvalon 5 of 5 stock numbers, 5 sizes
    • NAS1443SNASCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes

    Airframer and OEM drawings

      1 more on one stock number each: 37B200393P
      • 37B200393PGECatalog only, needs approvalon 1 of 5 stock numbers

      Get quotes for SS5075

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

      Install tooling

      SpecLok has no catalog family for SS5075. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 4 of 5 stock numbers, 10 awards from 2023-03-14 to 2025-10-27.

      Latest award per stock number: $8.45 to $232.00 each.

      DLA production lead time: 12 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

      5 stock numbers
      Part numbers DLA FLIS lists for SS5075 and its equivalents, by stock number
      NSNSS5075SL60WNAS144337B200393PLast DLA price
      5310-00-087-1117SS5075-2SL60W1-173-93NAS1443-737B200393P101$8.45 2025-09
      5310-00-956-4211SS5075-5NAS1443-5$232.00 2023-12
      5310-00-066-9763SS5075-6NAS1443-6
      5310-00-933-4305SS5075-7NAS1443-10$67.50 2025-10
      5310-00-945-0540SS5075-9NAS1443-12$90.00 2024-09

      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 5310 Nuts and washers. Issuer names are SpecLok's reading of the filing CAGE code; distributors are not named. Compiled 2026-10-02.

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