Cross reference · ESNA · Plate self-locking nut

52LHTA cross referenceSPS 12600P, NAS680X

52LHTA is a ESNA plate self-locking nut series on 11 government stock numbers. Its closest equivalents are SPS 12600P, NAS680X. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

11 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • 12600PSPS TechnologiesCatalog only, needs approvalon 3 of 11 stock numbers, 3 sizes
  • 13605NMSPS TechnologiesCatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
  • 13605PSPS TechnologiesCatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
  • RF200XHowmet Fastening SystemsCatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
8 more on one stock number each: 12610P, 12620NM, 12620P, F5000, K2000, RE200X, T65S1032SCPC, T65S632SCPC
  • 12610PSPS TechnologiesCatalog only, needs approvalon 1 of 11 stock numbers
  • 12620NMSPS TechnologiesCatalog only, needs approvalon 1 of 11 stock numbers
  • 12620PSPS TechnologiesCatalog only, needs approvalon 1 of 11 stock numbers
  • F5000Howmet Fastening SystemsCatalog only, needs approvalon 1 of 11 stock numbers
  • K2000Howmet Fastening SystemsCatalog only, needs approvalon 1 of 11 stock numbers, 2 sizes
  • RE200XHowmet Fastening SystemsCatalog only, needs approvalon 1 of 11 stock numbers
  • T65S1032SCPCCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers
  • T65S632SCPCCherry AerospaceCatalog only, needs approvalon 1 of 11 stock numbers

Standards

  • NAS680XNASCatalog only, needs approvalon 3 of 11 stock numbers, 2 sizes
  • MS21059MSCatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
  • NAS686XNASCatalog only, needs approvalon 2 of 11 stock numbers, 2 sizes
5 more on one stock number each: MS2105163, NAS682X, NAS684X, NAS686A, MS21055
  • MS2105163MSCatalog only, needs approvalon 1 of 11 stock numbers
  • NAS682XNASCatalog only, needs approvalon 1 of 11 stock numbers
  • NAS684XNASCatalog only, needs approvalon 1 of 11 stock numbers
  • NAS686ANASCatalog only, needs approvalon 1 of 11 stock numbers
  • MS21055MSCatalog only, needs approvalon 1 of 11 stock numbers

Plus 5 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for 52LHTA

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

Install tooling

SpecLok has no catalog family for 52LHTA. Tooling for the equivalents:

What the government paid

DLA awards on 1 of 11 stock numbers, 17 awards from 2023-03-22 to 2026-09-14.

Latest award per stock number: $0.22 each.

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

11 stock numbers
Part numbers DLA FLIS lists for 52LHTA and its equivalents, by stock number
NSN52LHTA12600PRF200XNAS680XMS21059Last DLA price
5310-00-262-093552LHTA51-4012600P-40NAS680X04
5310-00-087-965552LHTA51-04812600P-048NAS680X4
5310-00-275-796152LHTA51-8212600P-82NAS680X08
5310-00-052-753452LHTA55-02
5310-00-779-351152LHTA55-62
5310-00-530-927952LHTA57-02
5310-00-271-722952LHTA57-048
5310-00-778-265552LHTA521-02RF200X3MS21059-3$0.22 2026-09
5310-00-881-131352LHTA521-048
5310-00-543-587252LHTA521-054
5310-00-777-577652LHTA521-62RF200X06MS21059-06

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 52LHTA or an equivalent

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