Cross reference · Boeing · Hexagon self-locking nut

BACN10BY cross referenceSPS 47FT, Huck BMN4122A, Lockheed LH7644

BACN10BY is a Boeing hexagon self-locking nut series on 6 government stock numbers. Its closest equivalents are SPS 47FT, Huck BMN4122A, Lockheed LH7644. 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

  • 47FTSPS TechnologiesCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
  • BMN4122AHuckCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes

Airframer and OEM drawings

  • LH7644Lockheed MartinCatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
2 more on one stock number each: CP10, GN10U
  • CP10Lockheed MartinCatalog only, needs approvalon 1 of 6 stock numbers
  • GN10UNorthrop GrummanCatalog only, needs approvalon 1 of 6 stock numbers

Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for BACN10BY

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

Install tooling

SpecLok has no catalog family for BACN10BY. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 1 of 6 stock numbers, 8 awards from 2023-03-03 to 2025-06-03.

Latest award per stock number: $17.86 each.

DLA production lead time: 120 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

6 stock numbers
Part numbers DLA FLIS lists for BACN10BY and its equivalents, by stock number
NSNBACN10BY47FTBMN4122ALH7644GN10ULast DLA price
5310-00-550-0742BACN10BY55GN10U524
5310-01-569-5273BACN10BY85
5310-01-483-3498BACN10BY512
5310-01-163-5816BACN10BY51447FT-1414LH7644-144
5310-00-243-4738BACN10BY51747FT1614BMN4122A17LH7644-164$17.86 2025-06
5310-00-224-0514BACN10BY52047FT2012BMN4122A20LH7644-202

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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