Cross reference · MS (US military standards) · Plate self-locking nut
MS21070 cross referenceSPS M12700, Howmet RM200C, ESNA LHTA51M, Cherry MT2C
MS21070 is a plate self-locking nut series on 14 government stock numbers. It is cross-referenced to SPS M12700, Howmet RM200C, ESNA LHTA51M, Cherry MT2C. Each one is labeled with how strong the evidence is.
- Issued by MS
- Item Plate self-locking nut
- Stock numbers 14
- Cross-referenced series 16
- DLA paid $1.10 to $1.40
Series in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- M12700SPS TechnologiesCatalog only, needs approvalon 6 of 14 stock numbers, 6 sizes
- RM200CHowmet Fastening SystemsCatalog only, needs approvalon 6 of 14 stock numbers, 5 sizes
- LHTA51MESNACatalog only, needs approvalon 4 of 14 stock numbers, 4 sizes
- MA12700SPS TechnologiesCatalog only, needs approvalon 4 of 14 stock numbers, 4 sizes
- MT2CCherry AerospaceCatalog only, needs approvalon 4 of 14 stock numbers, 4 sizes
- MK1031Howmet Fastening SystemsCatalog only, needs approvalon 3 of 14 stock numbers, 3 sizes
- LHTA1MESNACatalog only, needs approvalon 2 of 14 stock numbers, 2 sizes
- MTL2CCherry AerospaceCatalog only, needs approvalon 2 of 14 stock numbers, 2 sizes
4 more on one stock number each: LMTA51M2860P, MK1030, MT2C1032BC, MT2C428BC
- LMTA51M2860PESNACatalog only, needs approvalon 1 of 14 stock numbers
- MK1030Howmet Fastening SystemsCatalog only, needs approvalon 1 of 14 stock numbers
- MT2C1032BCCherry AerospaceCatalog only, needs approvalon 1 of 14 stock numbers
- MT2C428BCCherry AerospaceCatalog only, needs approvalon 1 of 14 stock numbers
Standards
4 more on one stock number each: NAS697C, NAS697C08K, NAS697C4K, NASM21070
- NAS697CNASCatalog only, needs approvalon 1 of 14 stock numbers
- NAS697C08KNASCatalog only, needs approvalon 1 of 14 stock numbers
- NAS697C4KNASCatalog only, needs approvalon 1 of 14 stock numbers
- NASM21070NASCatalog only, needs approvalon 1 of 14 stock numbers, 2 sizes
Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MS21070
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MS21070. Tooling for the cross-referenced series:
None of these series is in the SpecLok catalog yet.
What the government paid
DLA awards on 2 of 14 stock numbers, 9 awards from 2023-01-24 to 2026-08-13.
Latest award per stock number: $1.10 to $1.40 each.
DLA production lead time: 70 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 | MS21070 | M12700 | RM200C | LHTA51M | MT2C | Last DLA price |
|---|---|---|---|---|---|---|
| 5310-00-762-6158 | MS21070-02 | |||||
| 5310-00-762-6148 | MS21070-3 | M12700-02 | RM200C3 | MT2C1032 | ||
| 5310-00-762-6157 | MS21070-04 | M12700-40 | RM200C04 | |||
| 5310-00-762-6137 | MS21070-4 | RM200C4 | LHTA51M2860-048 | MT2C428 | ||
| 5310-00-762-6136 | MS21070-5 | RM200C5 | MT2C524 | |||
| 5310-00-762-6156 | MS21070-06 | M12700-62 | RM200C06 | $1.10 2025-09 | ||
| 5310-00-762-6135 | MS21070-6 | MT2C624 | ||||
| 5310-00-762-6151 | MS21070-08 | M12700-82 | RM200C08 | |||
| 5310-00-176-6566 | MS21070-08K | M12700-82BC | LHTA51M2860-82BC | |||
| 5310-01-013-5796 | MS21070-08W | |||||
| 5310-00-945-0517 | MS21070-3K | M12700-02BC | LHTA51M2860-02BC | $1.40 2026-08 | ||
| 5310-00-784-3821 | MS21070-3W | |||||
| 5310-00-990-3446 | MS21070-4K | LHTA51M2880-0488C | ||||
| 5310-01-012-7404 | MS21070-4W |
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.
Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers
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