Cross reference · SPS Technologies · Plate self-locking nut

15700E cross referenceESNA RMLHTA58, MS21050L

15700E is a SPS plate self-locking nut series on 6 government stock numbers. Its closest equivalents are ESNA RMLHTA58, MS21050L. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

6 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • RMLHTA58ESNACatalog only, needs approvalon 3 of 6 stock numbers, 3 sizes
11 more on one stock number each: K1101, K1131, LHTA58, R2100C08K, R2100C08M, R2100C3K, R2100C3M, R2100C4M, R2100C5M, T2CH1032BC, T2CH1032M
  • K1101Howmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • K1131Howmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • LHTA58ESNACatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C08KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C08MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C3KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C3MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C4MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • R2100C5MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 6 stock numbers
  • T2CH1032BCCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers
  • T2CH1032MCherry AerospaceCatalog only, needs approvalon 1 of 6 stock numbers

Standards

  • MS21050LMSCatalog only, needs approvalon 4 of 6 stock numbers, 4 sizes
  • MS21050MSCatalog only, needs approvalon 2 of 6 stock numbers, 2 sizes
1 more on one stock number each: NASM21050
  • NASM21050NASCatalog only, needs approvalon 1 of 6 stock numbers

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

Get quotes for 15700E

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

Install tooling

SpecLok has no catalog family for 15700E. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

Sizes by maker

6 stock numbers
Part numbers DLA FLIS lists for 15700E and its equivalents, by stock number
NSN15700ERMLHTA58K1101T2CH1032BCMS21050LNASM21050Last DLA price
5310-00-782-000715700E-02RMLHTA58-2860-02K1101-3MS21050L3
5310-00-782-000815700E-048RMLHTA58-2860-048MS21050L4
5310-00-782-000915700E054MS21050L5
5310-00-782-001015700E-82RMLHTA58-2860-82MS21050L08
5310-00-772-794215700E-02BCT2CH1032BC
5310-00-772-795815700E-82BCNASM21050

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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