Cross reference · ESNA · Plate self-locking nut

101F cross referenceHowmet F5031, SPS NS103203S, Cherry T8093C

101F is a ESNA plate self-locking nut series on 6 government stock numbers. Its closest equivalents are Howmet F5031, SPS NS103203S, Cherry T8093C. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

6 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • F5031Howmet Fastening SystemsCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • NS103203SSPS TechnologiesCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • VN152BHowmet Fastening SystemsCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • BRF200CHowmet Fastening SystemsCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
  • T8093CCherry AerospaceCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
7 more on one stock number each: BRF100C, F2031, F51747, NS103085S, RF100C, T66C1032C, T8090C
  • BRF100CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • F2031Howmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • F51747Howmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • NS103085SSPS TechnologiesCatalog only, needs approvalon 1 of 6 stock numbers
  • RF100CHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • T66C1032CCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
  • T8090CCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers

Standards

    1 more on one stock number each: MS21062
    • MS21062MSCatalog only, needs approvalon 1 of 6 stock numbers

    Airframer and OEM drawings

      7 more on one stock number each: BACN10JR06CF, BACN10JR3CF, BACN10JR4CF, BACN10JR5CF, BACN10KB3CF, BACN10KE3B2C, BACN10KE3B2CM
      • BACN10JR06CFBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10JR3CFBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10JR4CFBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10JR5CFBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10KB3CFBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10KE3B2CBoeingCatalog only, needs approvalon 1 of 6 stock numbers
      • BACN10KE3B2CMBoeingCatalog only, needs approvalon 1 of 6 stock numbers

      Plus 2 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

      Get quotes for 101F

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

      Install tooling

      SpecLok has no catalog family for 101F. Tooling for the equivalents:

      None of the equivalents is in the SpecLok catalog yet.

      What the government paid

      DLA awards on 2 of 6 stock numbers, 12 awards from 2023-07-25 to 2025-04-22.

      Latest award per stock number: $0.75 to $91.14 each.

      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

      6 stock numbers
      Part numbers DLA FLIS lists for 101F and its equivalents, by stock number
      NSN101FF5031NS103203ST8093CMS21062BACN10JR06CFLast DLA price
      5310-01-098-6195101F9201-3F5031-3BACNS103203S-02T8093C1032
      5310-01-110-0067101F9201-4F5031-4BACNS103203S-048T8093C428
      5310-01-145-5473101F9201-5F5031-5BACNS103203S-054
      5310-01-099-9000101F9201-62F5031-06BACNS103203S-62T8093C632BACN10JR06CF
      5310-00-779-3601101F9207-3MS21062-3$0.75 2025-03
      5310-01-248-8389101F9213-2-3$91.14 2025-04

      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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