Cross reference · Cherry Aerospace · Plate self-locking nut

MT2C cross referenceHowmet RM200C, SPS MA12700, ESNA LHTA51M, MS21070

MT2C is a Cherry plate self-locking nut series on 4 government stock numbers. Its closest equivalents are Howmet RM200C, SPS MA12700, ESNA LHTA51M, MS21070. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

4 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • RM200CHowmet Fastening SystemsCatalog only, needs approvalon 3 of 4 stock numbers, 3 sizes
  • MA12700SPS TechnologiesCatalog only, needs approvalon 2 of 4 stock numbers, 2 sizes
3 more on one stock number each: LHTA51M, M12700, MK1030
  • LHTA51MESNACatalog only, needs approvalon 1 of 4 stock numbers
  • M12700SPS TechnologiesCatalog only, needs approvalon 1 of 4 stock numbers
  • MK1030Howmet Fastening SystemsCatalog only, needs approvalon 1 of 4 stock numbers

Standards

  • MS21070MSCatalog only, needs approvalon 4 of 4 stock numbers, 4 sizes

Get quotes for MT2C

Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.

Install tooling

SpecLok has no catalog family for MT2C. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

Sizes by maker

4 stock numbers
Part numbers DLA FLIS lists for MT2C and its equivalents, by stock number
NSNMT2CRM200CMA12700LHTA51MMS21070Last DLA price
5310-00-762-6137MT2C428RM200C4LHTA51M2860-048MS21070-4
5310-00-762-6136MT2C524RM200C5MA12700-054MS21070-5
5310-00-762-6135MT2C624MA12700-064MS21070-6
5310-00-762-6148MT2C1032RM200C3MS21070-3

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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Get quotes adds the part and its install tooling to your quote. Check another part number in the cross reference.