Cross reference · ESNA · Plate self-locking nut

RMLHTA58 cross referenceSPS 15700E, Howmet K1101, MS21050L

RMLHTA58 is a ESNA plate self-locking nut series on 5 government stock numbers. Its closest equivalents are SPS 15700E, Howmet K1101, MS21050L. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 15700ESPS TechnologiesCatalog only, needs approvalon 3 of 5 stock numbers, 3 sizes
  • K1101Howmet Fastening SystemsCatalog only, needs approvalon 3 of 5 stock numbers, 3 sizes
10 more on one stock number each: R2100C08M, R2100C08MK, R2100C3M, R2100C3MK, R2100C4M, T2CH1032BCM, T2CH1032M, T2CH428M, T2CH832BCM, T2CH832M
  • R2100C08MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • R2100C08MKHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • R2100C3MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • R2100C3MKHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • R2100C4MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • T2CH1032BCMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • T2CH1032MCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • T2CH428MCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • T2CH832BCMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • T2CH832MCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers

Standards

  • MS21050LMSCatalog only, needs approvalon 3 of 5 stock numbers, 3 sizes
2 more on one stock number each: MS21050L08K, MS21050L3K
  • MS21050L08KMSCatalog only, needs approvalon 1 of 5 stock numbers
  • MS21050L3KMSCatalog only, needs approvalon 1 of 5 stock numbers

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

Get quotes for RMLHTA58

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

Install tooling

SpecLok has no catalog family for RMLHTA58. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

Sizes by maker

5 stock numbers
Part numbers DLA FLIS lists for RMLHTA58 and its equivalents, by stock number
NSNRMLHTA5815700EK1101T2CH1032BCMMS21050LLast DLA price
5310-00-782-0007RMLHTA58-2860-0215700E-02K1101-3MS21050L3
5310-00-782-0008RMLHTA58-2860-04815700E-048MS21050L4
5310-00-782-0010RMLHTA58-2860-8215700E-82MS21050L08
5310-00-772-7969RMLHTA58-2860-02BCK1101-3BCT2CH1032BCM
5310-00-782-0012RMLHTA58-2860-82BCK1101-08BC

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.

Next · 3 Quote

Quote RMLHTA58 or an equivalent

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