Cross reference · NAS (Aerospace Industries Association) · Hexagon self-locking nut
NAS1021A cross reference
NAS1021A is a hexagon self-locking nut series on 15 government stock numbers. Each one is labeled with how strong the evidence is.
- Issued by NAS
- Item Hexagon self-locking nut
- Stock numbers 15
- Equivalents 15
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- 32FHSPS TechnologiesCatalog only, needs approvalon 3 of 15 stock numbers, 3 sizes
- JL2SCherry AerospaceCatalog only, needs approvalon 2 of 15 stock numbers, 2 sizes
10 more on one stock number each: 22FH, 27FH, 38FH, F180, F1801, H5506CW, JL2S720UN, RE1018, RE1216, RE1614
- 22FHSPS TechnologiesCatalog only, needs approvalon 1 of 15 stock numbers
- 27FHSPS TechnologiesCatalog only, needs approvalon 1 of 15 stock numbers
- 38FHSPS TechnologiesCatalog only, needs approvalon 1 of 15 stock numbers
- F180ESNACatalog only, needs approvalon 1 of 15 stock numbers
- F1801ESNACatalog only, needs approvalon 1 of 15 stock numbers
- H5506CWHowmet Fastening SystemsCatalog only, needs approvalon 1 of 15 stock numbers
- JL2S720UNCherry AerospaceCatalog only, needs approvalon 1 of 15 stock numbers
- RE1018Cherry AerospaceCatalog only, needs approvalon 1 of 15 stock numbers
- RE1216Cherry AerospaceCatalog only, needs approvalon 1 of 15 stock numbers
- RE1614Cherry AerospaceCatalog only, needs approvalon 1 of 15 stock numbers
Standards
- MS21045LMSCatalog only, needs approvalon 2 of 15 stock numbers, 2 sizes
2 more on one stock number each: MS210415, MS21045
- MS210415MSCatalog only, needs approvalon 1 of 15 stock numbers
- MS21045MSCatalog only, needs approvalon 1 of 15 stock numbers
Plus 5 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for NAS1021A
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for NAS1021A. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
Sizes by maker
| NSN | NAS1021A | 32FH | JL2S | MS21045L | Last DLA price |
|---|---|---|---|---|---|
| 5310-00-802-8868 | NAS1021A3 | ||||
| 5310-00-582-8450 | NAS1021A04 | ||||
| 5310-00-754-0914 | NAS1021A4 | ||||
| 5310-00-470-1556 | NAS1021A5 | ||||
| 5310-00-889-2544 | NAS1021A06 | ||||
| 5310-00-582-8454 | NAS1021A6 | JL2S624 | |||
| 5310-00-211-3432 | NAS1021A7 | ||||
| 5310-00-802-8254 | NAS1021A08 | ||||
| 5310-00-582-8455 | NAS1021A8 | JL2S820 | |||
| 5310-00-007-0204 | NAS1021A9 | 32FH-918 | |||
| 5310-00-582-8452 | NAS1021A10 | ||||
| 5310-00-582-8453 | NAS1021A12 | 32FH-1216 | |||
| 5310-00-211-9048 | NAS1021A14 | MS21045L14 | |||
| 5310-00-803-4525 | NAS1021A17 | 32FH-1614 | |||
| 5310-00-211-3431 | NAS1021A18 | MS21045L18 |
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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