Cross reference · AN (Air Force-Navy Aeronautical) · Hexagon self-locking nut

AN363C cross referenceSPS 59FH, MS21046C

AN363C is a hexagon self-locking nut series on 20 government stock numbers. Its closest equivalents are SPS 59FH, MS21046C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

20 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 59FHSPS TechnologiesCatalog only, needs approvalon 5 of 20 stock numbers, 5 sizes
3 more on one stock number each: 50FH, 58FH, SM1813
  • 50FHSPS TechnologiesCatalog only, needs approvalon 1 of 20 stock numbers
  • 58FHSPS TechnologiesCatalog only, needs approvalon 1 of 20 stock numbers
  • SM1813ESNACatalog only, needs approvalon 1 of 20 stock numbers

Standards

  • MS21046CMSCatalog only, needs approvalon 5 of 20 stock numbers, 5 sizes
3 more on one stock number each: MS21045C, MS21046, N25027
  • MS21045CMSCatalog only, needs approvalon 1 of 20 stock numbers
  • MS21046MSCatalog only, needs approvalon 1 of 20 stock numbers
  • N25027MIL specificationsCatalog only, needs approvalon 1 of 20 stock numbers

Airframer and OEM drawings

    1 more on one stock number each: R1155P
    • R1155PGECatalog only, needs approvalon 1 of 20 stock numbers

    Plus 20 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for AN363C

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

    Install tooling

    SpecLok has no catalog family for AN363C. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 3 of 20 stock numbers, 31 awards from 2023-07-07 to 2026-07-13.

    Latest award per stock number: $0.53 to $1.27 each.

    DLA production lead time: 120 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

    20 stock numbers
    Part numbers DLA FLIS lists for AN363C and its equivalents, by stock number
    NSNAN363C59FHMS21046CLast DLA price
    5310-00-285-5635AN363C420
    5310-00-059-9265AN363C42859FH-428MS21046C4$1.27 2026-05
    5310-00-478-4660AN363C428
    5310-00-835-6599AN363C518MS21046C518
    5310-00-263-2863AN363C524
    5310-00-837-2507AN363C616
    5310-00-275-2069AN363C624
    5310-00-515-8905AN363C624
    5310-00-207-9719AN363C63259FH632
    5310-00-982-5004AN363C632MS21046C06
    5310-00-266-4399AN363C72059FH-720
    5310-00-275-2073AN363C820
    5310-00-660-2371AN363C820
    5310-00-207-9720AN363C832
    5310-00-952-1872AN363C832$1.05 2026-07
    Show 5 more sizes
    More sizes
    NSNAN363C59FHMS21046CLast DLA price
    5310-00-982-5006AN363C83259FH832MS21046C08$0.53 2025-08
    5310-00-275-2071AN363C91859FH-918MS21046C9
    5310-01-011-6538AN363C1024
    5310-00-458-2842AN363C1032
    5310-00-285-5636AN363C1210

    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.

    Next · 3 Quote

    Quote AN363C or an equivalent

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