Cross reference · ESNA · Hexagon self-locking nut

F180 cross referenceSPS 27FH, Howmet H5506CW, MS21045

F180 is a ESNA hexagon self-locking nut series on 3 government stock numbers. Its closest equivalents are SPS 27FH, Howmet H5506CW, MS21045. 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

  • 27FHSPS TechnologiesCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
3 more on one stock number each: 12FS, 22FH, H5506CW
  • 12FSSPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
  • 22FHSPS TechnologiesCatalog only, needs approvalon 1 of 3 stock numbers
  • H5506CWHowmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers

Standards

  • MS21045MSCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • AN363ANCatalog only, needs approvalon 2 of 3 stock numbers, 2 sizes
1 more on one stock number each: NAS1021A
  • NAS1021ANASCatalog only, needs approvalon 1 of 3 stock numbers

Plus 15 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for F180

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

Install tooling

SpecLok has no catalog family for F180. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 2 of 3 stock numbers, 16 awards from 2024-04-11 to 2026-09-03.

Latest award per stock number: $0.38 to $3.15 each.

DLA production lead time: 315 to 591 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

3 stock numbers
Part numbers DLA FLIS lists for F180 and its equivalents, by stock number
NSNF18027FHH5506CWMS21045AN363NAS1021ALast DLA price
5310-00-061-7326F180-0227FH-1032MS21045-3AN363-1032$3.15 2026-09
5310-00-061-7325F180-04827FH-428MS21045-4AN363-428$0.38 2026-05
5310-00-889-2544F180-6227FH-632H5506CWMS21045-06NAS1021A06

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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