Cross reference · MS (US military standards) · Hexagon self-locking nut
MS21083C cross referenceESNA 79NTE, NASM25027
MS21083C is a hexagon self-locking nut series on 21 government stock numbers. Its closest equivalents are ESNA 79NTE, NASM25027. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Hexagon self-locking nut
- Stock numbers 21
- Equivalents 8
- DLA paid $0.21 to $25.66
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- 79NTEESNACatalog only, needs approvalon 6 of 21 stock numbers, 6 sizes
- 79NTMESNACatalog only, needs approvalon 2 of 21 stock numbers, 3 sizes
1 more on one stock number each: 75NTE
- 75NTEESNACatalog only, needs approvalon 1 of 21 stock numbers
Standards
- NASM25027NASCatalog only, needs approvalon 19 of 21 stock numbers
1 more on one stock number each: NASM21083C
- NASM21083CNASCatalog only, needs approvalon 1 of 21 stock numbers
Airframer and OEM drawings
3 more on one stock number each: 1489C, 57A5A, SCC681392
- 1489CCollins AerospaceCatalog only, needs approvalon 1 of 21 stock numbers
- 57A5AUS NavyCatalog only, needs approvalon 1 of 21 stock numbers
- SCC681392US ArmyCatalog only, needs approvalon 1 of 21 stock numbers
Plus 41 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS21083C
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS21083C. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 15 of 21 stock numbers, 197 awards from 2023-01-13 to 2026-08-25.
Latest award per stock number: $0.21 to $25.66 each.
DLA production lead time: 93 to 334 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
| NSN | MS21083C | 79NTE | NASM25027 | Last DLA price |
|---|---|---|---|---|
| 5310-01-528-7503 | MS21083C02 | NASM25027 | ||
| 5310-00-926-1835 | MS21083C3 | NASM25027 | $0.99 2025-04 | |
| 5310-00-939-0849 | MS21083C04 | NASM25027 | $1.10 2026-06 | |
| 5310-00-897-6145 | MS21083C4 | NASM25027 | $0.71 2026-05 | |
| 5310-00-020-3260 | MS21083C5 | NASM25027 | $1.82 2026-06 | |
| 5310-00-925-9646 | MS21083C06 | NASM25027 | $0.21 2026-08 | |
| 5310-00-956-4549 | MS21083C6 | NASM25027 | $1.51 2026-06 | |
| 5310-00-074-2328 | MS21083C7 | 79NTE070 | NASM25027 | |
| 5310-01-368-6407 | MS21083C7 | |||
| 5310-00-939-0850 | MS21083C08 | NASM25027 | $0.59 2025-12 | |
| 5310-00-947-1380 | MS21083C8 | NASM25027 | $1.99 2026-07 | |
| 5310-00-881-1611 | MS21083C9 | 79NTE-098 | NASM25027 | $3.32 2024-07 |
| 5310-00-050-9372 | MS21083C10 | 79NTE-108 | NASM25027 | $4.56 2026-06 |
| 5310-01-429-4371 | MS21083C10 | |||
| 5310-00-923-4219 | MS21083C12 | NASM25027 | $3.81 2026-04 |
Show 6 more sizes
| NSN | MS21083C | 79NTE | NASM25027 | Last DLA price |
|---|---|---|---|---|
| 5310-00-519-6591 | MS21083C14 | NASM25027 | $8.44 2026-05 | |
| 5310-00-160-9869 | MS21083C16 | 79NTE-162 | NASM25027 | $11.13 2024-04 |
| 5310-00-916-6587 | MS21083C18 | 79NTE-182 | NASM25027 | |
| 5310-01-700-5666 | MS21083C18 | NASM25027 | $25.66 2025-12 | |
| 5310-00-112-1388 | MS21083C20 | 79NTE-202 | NASM25027 | $24.00 2023-10 |
| 5310-01-388-7601 | MS21083C24 | NASM25027 |
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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