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

MS21044B cross referenceESNA Y92NE

MS21044B is a hexagon self-locking nut series on 15 government stock numbers. Its closest equivalents are ESNA Y92NE. 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

  • Y92NEESNACatalog only, needs approvalon 5 of 15 stock numbers, 5 sizes
4 more on one stock number each: 67FS, BAS1021B, F92NM, HY92NE
  • 67FSSPS TechnologiesCatalog only, needs approvalon 1 of 15 stock numbers
  • BAS1021BSPS TechnologiesCatalog only, needs approvalon 1 of 15 stock numbers
  • F92NMESNACatalog only, needs approvalon 1 of 15 stock numbers
  • HY92NEESNACatalog only, needs approvalon 1 of 15 stock numbers

Standards

  • NAS1021BNASCatalog only, needs approvalon 2 of 15 stock numbers, 2 sizes
2 more on one stock number each: NASM25027, AN365B832A
  • NASM25027NASCatalog only, needs approvalon 1 of 15 stock numbers
  • AN365B832AANCatalog only, needs approvalon 1 of 15 stock numbers

Airframer and OEM drawings

    2 more on one stock number each: 7861714P, LS12906
    • 7861714PGECatalog only, needs approvalon 1 of 15 stock numbers
    • LS12906Lockheed MartinCatalog only, needs approvalon 1 of 15 stock numbers

    Plus 19 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

    Get quotes for MS21044B

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

    Install tooling

    SpecLok has no catalog family for MS21044B. Tooling for the equivalents:

    None of the equivalents is in the SpecLok catalog yet.

    What the government paid

    DLA awards on 4 of 15 stock numbers, 14 awards from 2023-11-04 to 2026-07-27.

    Latest award per stock number: $1.18 to $36.00 each.

    DLA production lead time: 109 to 315 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 MS21044B and its equivalents, by stock number
    NSNMS21044BY92NENAS1021BLast DLA price
    5310-00-982-5064MS21044B3$2.50 2026-06
    5310-00-064-1849MS21044B04
    5310-00-138-4261MS21044B4
    5310-00-982-5065MS21044B4$2.50 2024-09
    5310-00-016-7228MS21044B5
    5310-00-982-6806MS21044B5Y92NE-054
    5310-00-877-5622MS21044B06NAS1021B06$1.18 2026-07
    5310-00-982-5016MS21044B6
    5310-00-052-5963MS21044B7Y92NE-070U$36.00 2026-04
    5310-00-982-5063MS21044B08
    5310-00-982-5018MS21044B8Y92NE-080NAS1021B8
    5310-00-982-5021MS21044B10
    5310-00-982-5022MS21044B12Y92NE-126
    5310-00-982-5023MS21044B14Y92NE-144
    5310-01-212-6138MS21044B18

    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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