Cross reference · Cherry Aerospace · Plate self-locking nut

T7SH cross referenceHowmet K3100, ESNA RM52LHTA, MS21057L

T7SH is a Cherry plate self-locking nut series on 4 government stock numbers. Its closest equivalents are Howmet K3100, ESNA RM52LHTA, MS21057L. 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

  • K3100Howmet Fastening SystemsCatalog only, needs approvalon 4 of 4 stock numbers, 4 sizes
1 more on one stock number each: RM52LHTA
  • RM52LHTAESNACatalog only, needs approvalon 1 of 4 stock numbers

Standards

  • MS21057LMSCatalog only, needs approvalon 4 of 4 stock numbers, 4 sizes
  • NASM21057NASCatalog only, needs approvalon 2 of 4 stock numbers

Plus 1 reference number whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for T7SH

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

Install tooling

SpecLok has no catalog family for T7SH. 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 T7SH and its equivalents, by stock number
NSNT7SHK3100RM52LHTAMS21057LNASM21057Last DLA price
5310-00-774-7163T7SH428K3100-4MS21057L4
5310-00-774-7172T7SH524K3100-5MS21057L5
5310-00-774-7146T7SH832K3100-08MS21057L08NASM21057
5310-00-774-7151T7SH1032K3100-3RM52LHTA35-02MS21057L3NASM21057

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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