Cross reference · Cherry Aerospace · Extended washer self-locking nut
SL7021C cross referenceSPS 66796AF, Howmet VN497DH, Huck BMN10GW4AF, Boeing BACN10GW4AF
SL7021C is a Cherry extended washer self-locking nut series on 4 government stock numbers. Its closest equivalents are SPS 66796AF, Howmet VN497DH, Huck BMN10GW4AF, Boeing BACN10GW4AF. Each one is labeled with how strong the evidence is.
- Issued by Cherry Aerospace
- Item Extended washer self-locking nut
- Stock numbers 4
- Equivalents 15
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- 66796AFSPS TechnologiesCatalog only, needs approvalon 4 of 4 stock numbers, 4 sizes
- VN497DHHowmet Fastening SystemsCatalog only, needs approvalon 3 of 4 stock numbers, 3 sizes
9 more on one stock number each: BMN10GW4AF, BMN10GW5AF, BMN10GW7AF, BR1201, H52879, H528794, H528795, H528799, VN497DM
- BMN10GW4AFHuckCatalog only, needs approvalon 1 of 4 stock numbers
- BMN10GW5AFHuckCatalog only, needs approvalon 1 of 4 stock numbers
- BMN10GW7AFHuckCatalog only, needs approvalon 1 of 4 stock numbers
- BR1201Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
- H52879Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
- H528794Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
- H528795Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
- H528799Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
- VN497DMHowmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers
Airframer and OEM drawings
4 more on one stock number each: BACN10GW4AF, BACN10GW5AF, BACN10GW7AF, BACN10GW9AF
- BACN10GW4AFBoeingCatalog only, needs approvalon 1 of 4 stock numbers
- BACN10GW5AFBoeingCatalog only, needs approvalon 1 of 4 stock numbers
- BACN10GW7AFBoeingCatalog only, needs approvalon 1 of 4 stock numbers
- BACN10GW9AFBoeingCatalog only, needs approvalon 1 of 4 stock numbers
Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for SL7021C
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for SL7021C. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
Sizes by maker
| NSN | SL7021C | 66796AF | VN497DH | BMN10GW4AF | BACN10GW4AF | Last DLA price |
|---|---|---|---|---|---|---|
| 5310-01-338-4112 | SL7021C4 | 66796AF4 | VN497DH4 | BMN10GW4AF | BACN10GW4AF | |
| 5310-01-338-4111 | SL7021C5 | 66796AF5 | VN497DH5 | |||
| 5310-01-338-9353 | SL7021C9 | 66796AF9 | VN497DH9 | |||
| 5310-01-338-6836 | SL7021C | 66796AF |
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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