Cross reference · LISI Aerospace · Extended washer self-locking nut

BA15170 cross referenceCherry CR5553, Howmet H50184, GE J979P

BA15170 is a LISI extended washer self-locking nut series on 3 government stock numbers. Its closest equivalents are Cherry CR5553, Howmet H50184, GE J979P. 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

  • CR5553Cherry AerospaceCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • H50184Howmet Fastening SystemsCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
  • VN1498Howmet Fastening SystemsCatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
2 more on one stock number each: H501184, J979P03A
  • H501184Howmet Fastening SystemsCatalog only, needs approvalon 1 of 3 stock numbers
  • J979P03ACherry AerospaceCatalog only, needs approvalon 1 of 3 stock numbers

Airframer and OEM drawings

  • J979PGECatalog only, needs approvalon 3 of 3 stock numbers, 3 sizes
5 more on one stock number each: J979P03D, J979P04A, J979P04B, J979P04D, J979P04F
  • J979P03DGECatalog only, needs approvalon 1 of 3 stock numbers
  • J979P04AGECatalog only, needs approvalon 1 of 3 stock numbers
  • J979P04BGECatalog only, needs approvalon 1 of 3 stock numbers
  • J979P04DGECatalog only, needs approvalon 1 of 3 stock numbers
  • J979P04FGECatalog only, needs approvalon 1 of 3 stock numbers

Plus 6 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for BA15170

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

Install tooling

SpecLok has no catalog family for BA15170. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 1 of 3 stock numbers, 21 awards from 2023-01-03 to 2025-12-18.

Latest award per stock number: $5.97 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

3 stock numbers
Part numbers DLA FLIS lists for BA15170 and its equivalents, by stock number
NSNBA15170CR5553H50184J979PLast DLA price
5310-01-036-3814BA15170-03CR5553-3H50184-3J979P03
5310-01-494-5830BA15170-04CR5553-4H50184-4J979P04$5.97 2025-12
5310-01-179-7823BA15170-05CR5553-5H50184-5J979P05

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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