Cross reference · SPS Technologies · Hexagon self-locking nut

58FH cross referenceESNA SM1813, MS21045C

58FH is a SPS hexagon self-locking nut series on 15 government stock numbers. Its closest equivalents are ESNA SM1813, MS21045C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

15 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • SM1813ESNACatalog only, needs approvalon 10 of 15 stock numbers, 10 sizes

Standards

  • MS21045CMSCatalog only, needs approvalon 15 of 15 stock numbers, 13 sizes
3 more on one stock number each: NASM21045, MS21045, AN363C
  • NASM21045NASCatalog only, needs approvalon 1 of 15 stock numbers
  • MS21045MSCatalog only, needs approvalon 1 of 15 stock numbers
  • AN363CANCatalog only, needs approvalon 1 of 15 stock numbers

Airframer and OEM drawings

    2 more on one stock number each: PL5465325REVEPC, PL5468793GP5REVBPC
    • PL5465325REVEPCGECatalog only, needs approvalon 1 of 15 stock numbers
    • PL5468793GP5REVBPCGECatalog only, needs approvalon 1 of 15 stock numbers

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

    Get quotes for 58FH

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

    Install tooling

    SpecLok has no catalog family for 58FH. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 10 of 15 stock numbers, 168 awards from 2023-03-13 to 2026-07-13.

    Latest award per stock number: $1.05 to $60.00 each.

    DLA production lead time: 150 to 306 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

    15 stock numbers
    Part numbers DLA FLIS lists for 58FH and its equivalents, by stock number
    NSN58FHSM1813MS21045CLast DLA price
    5310-00-982-498858FH-428SM1813-048MS21045C4$1.39 2025-06
    5310-00-982-500058FH440SM1813-40MS21045C04
    5310-00-823-883558FH-524SM1813-054MS21045C5$1.40 2026-05
    5310-00-059-926458FH-624SM1813-064MS21045C6$1.51 2026-05
    5310-00-982-497458FH820SM1813-080MS21045C8$4.44 2025-06
    5310-00-952-187258FH-832SM1813-82MS21045C08$1.05 2026-07
    5310-00-051-862658FH-918SM1813-098MS21045C9
    5310-00-051-862758FH-1018SM1813-108MS21045C10$20.00 2026-03
    5310-00-263-286258FH-1032SM1813-02MS21045C3$1.35 2026-05
    5310-00-051-862858FH-1216MS21045C12$18.34 2024-09
    5310-00-185-057758FH-1414MS21045C14$49.52 2024-09
    5310-01-034-888958FH-1612MS21045C16
    5310-00-007-026758FH-1812MS21045C18$60.00 2024-09
    5310-01-189-379058FH-2012MS21045C20
    5310-00-857-556158FH-720UNSM1813-070UMS21045C7

    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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