Cross reference · MS (US military standards) · Hexagon self-locking nut

MS21044 cross referenceAN365

MS21044 is a hexagon self-locking nut series on 10 government stock numbers. Its closest equivalents are AN365. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

10 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • F52NEESNACatalog only, needs approvalon 2 of 10 stock numbers, 3 sizes
1 more on one stock number each: NEE3410
  • NEE3410ESNACatalog only, needs approvalon 1 of 10 stock numbers

Standards

  • AN365ANCatalog only, needs approvalon 4 of 10 stock numbers, 4 sizes
1 more on one stock number each: NASM21044
  • NASM21044NASCatalog only, needs approvalon 1 of 10 stock numbers

Airframer and OEM drawings

  • 2533408PCUS NavyCatalog only, needs approvalon 2 of 10 stock numbers, 2 sizes
7 more on one stock number each: 203M0024P, 429949PC, 903272PC, LSA001293, N5402337006, P15C, SMC413525
  • 203M0024PRTXCatalog only, needs approvalon 1 of 10 stock numbers
  • 429949PCUS NavyCatalog only, needs approvalon 1 of 10 stock numbers
  • 903272PCUS NavyCatalog only, needs approvalon 1 of 10 stock numbers
  • LSA001293General DynamicsCatalog only, needs approvalon 1 of 10 stock numbers
  • N5402337006AirbusCatalog only, needs approvalon 1 of 10 stock numbers
  • P15CCollins AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
  • SMC413525US ArmyCatalog only, needs approvalon 1 of 10 stock numbers

Plus 64 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for MS21044

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

Install tooling

SpecLok has no catalog family for MS21044. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 5 of 10 stock numbers, 60 awards from 2023-07-10 to 2026-05-04.

Latest award per stock number: $0.13 to $109.69 each.

DLA production lead time: 150 to 180 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

10 stock numbers
Part numbers DLA FLIS lists for MS21044 and its equivalents, by stock number
NSNMS21044F52NEAN365NASM210442533408PC203M0024PLast DLA price
5310-01-352-3340MS21044-3
5310-01-331-7217MS21044-4
5310-01-722-5416MS21044-5C$109.69 2026-04
5310-00-982-6814MS21044-C08203M0024P008$0.31 2025-03
5310-00-982-6809MS21044-N-10F52NE-1018$1.06 2024-05
5310-00-081-8087MS21044-N06AN365-632A2533408PC105
5310-01-647-3099MS21044-N08NASM21044-N08
5310-00-877-5797MS21044-N3AN365-1032A$0.13 2025-11
5310-00-950-0039MS21044-N6F52NE-624AN365-624$0.18 2026-05
5310-00-877-5795MS21044-N8AN365-820A2533408PC119

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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