Cross reference · MS (US military standards) · Hexagon self-locking nut
MS21083N cross referenceESNA F52NTE, NASM25027
MS21083N is a hexagon self-locking nut series on 19 government stock numbers. Its closest equivalents are ESNA F52NTE, NASM25027. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Hexagon self-locking nut
- Stock numbers 19
- Equivalents 15
- DLA paid $0.14 to $8.07
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- F52NTEESNACatalog only, needs approvalon 11 of 19 stock numbers, 12 sizes
4 more on one stock number each: 22FT, 24NTM, 29TE, 52NTE
Standards
- NASM25027NASCatalog only, needs approvalon 16 of 19 stock numbers
- AN364ANCatalog only, needs approvalon 5 of 19 stock numbers, 5 sizes
- NAS1022NNASCatalog only, needs approvalon 2 of 19 stock numbers, 2 sizes
1 more on one stock number each: NASM21083
- NASM21083NASCatalog only, needs approvalon 1 of 19 stock numbers
Airframer and OEM drawings
- F22NTMCollins AerospaceCatalog only, needs approvalon 2 of 19 stock numbers, 3 sizes
5 more on one stock number each: 908120K, 908982K, PC100737, SMA701372, Z00N5402363040TBM
- 908120KHoneywellCatalog only, needs approvalon 1 of 19 stock numbers
- 908982KHoneywellCatalog only, needs approvalon 1 of 19 stock numbers
- PC100737Lockheed MartinCatalog only, needs approvalon 1 of 19 stock numbers
- SMA701372US ArmyCatalog only, needs approvalon 1 of 19 stock numbers
- Z00N5402363040TBMDaherCatalog only, needs approvalon 1 of 19 stock numbers
Plus 49 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS21083N
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS21083N. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 9 of 19 stock numbers, 188 awards from 2023-01-17 to 2026-08-17.
Latest award per stock number: $0.14 to $8.07 each.
DLA production lead time: 120 to 580 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 | MS21083N | F52NTE | NASM25027 | AN364 | F22NTM | Last DLA price |
|---|---|---|---|---|---|---|
| 5310-00-902-6676 | MS21083N3 | NASM25027 | $0.18 2026-05 | |||
| 5310-01-406-1672 | MS21083N3 | $0.14 2023-05 | ||||
| 5310-00-925-9645 | MS21083N04 | NASM25027 | $0.71 2026-08 | |||
| 5310-00-903-8282 | MS21083N4 | F52NTE-048 | NASM25027 | AN364-428 | $0.15 2026-08 | |
| 5310-00-660-3381 | MS21083N5 | F52NTE-054 | NASM25027 | $0.90 2026-06 | ||
| 5310-00-905-8451 | MS21083N06 | NASM25027 | AN364-632A | F22NTM-632 | ||
| 5310-00-902-7846 | MS21083N7 | F52NTE-070U | NASM25027 | AN364-720 | ||
| 5310-00-941-6019 | MS21083N08 | NASM25027 | AN364-832A | F22NTM-832 | ||
| 5310-00-902-9369 | MS21083N8 | F52NTE-080 | NASM25027 | $1.15 2026-05 | ||
| 5310-00-943-9897 | MS21083N9 | F52NTE-098 | NASM25027 | |||
| 5310-00-925-9642 | MS21083N10 | NASM25027 | AN364-1018 | $2.81 2025-06 | ||
| 5310-00-939-0783 | MS21083N12 | F52NTE-126 | NASM25027 | $7.62 2026-06 | ||
| 5310-00-942-5183 | MS21083N14 | F52NTE-1414 | NASM25027 | |||
| 5310-00-776-1963 | MS21083N16 | F52NTE-162 | ||||
| 5310-00-016-7361 | MS21083N18 | NASM25027 |
Show 4 more sizes
| NSN | MS21083N | F52NTE | NASM25027 | AN364 | F22NTM | Last DLA price |
|---|---|---|---|---|---|---|
| 5310-00-016-7142 | MS21083N20 | F52NTE-202 | NASM25027 | $8.07 2026-06 | ||
| 5310-00-519-6595 | MS21083N22 | F52NTE-222 | NASM25027 | |||
| 5310-00-519-6592 | MS21083N24 | F52NTE-242 | NASM25027 | |||
| 5310-01-555-6321 | MS21083N32 |
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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