Cross reference · SPS Technologies · Plate self-locking nut

M12600NM cross referenceHowmet RM200X, ESNA F52LHTA51M, MS21069

M12600NM is a SPS plate self-locking nut series on 5 government stock numbers. It is cross-referenced to Howmet RM200X, ESNA F52LHTA51M, MS21069. Each one is labeled with how strong the evidence is.

Series in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • RM200XHowmet Fastening SystemsCatalog only, needs approvalon 3 of 5 stock numbers, 2 sizes
  • F52LHTA51MESNACatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
7 more on one stock number each: MT2S1032BCCPC, MT2S1032CPC, MT2S428CPC, MTL2S440BCCPC, MTL2S440CPC, RM200X04K, RM200X3K
  • MT2S1032BCCPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MT2S1032CPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MT2S428CPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MTL2S440BCCPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MTL2S440CPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • RM200X04KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers
  • RM200X3KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers

Standards

  • MS21069MSCatalog only, needs approvalon 5 of 5 stock numbers, 4 sizes

Plus 4 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for M12600NM

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

Install tooling

SpecLok has no catalog family for M12600NM. Tooling for the cross-referenced series:

What the government paid

DLA awards on 1 of 5 stock numbers, 1 awards from 2025-10-09 to 2025-10-09.

Latest award per stock number: $0.53 each.

DLA production lead time: 209 days.

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

5 stock numbers
Part numbers DLA FLIS lists for M12600NM and the series cross-referenced to it, by stock number
NSNM12600NMRM200XF52LHTA51MMT2S1032BCCPCMS21069Last DLA price
5310-00-728-7703M12600NM-02RM200X3MS21069-3
5310-00-728-6373M12600NM-40RM200X04MS21069-04
5310-00-728-7704M12600NM-048RM200X4F52LHTA51M-048MS21069-4$0.53 2025-10
5310-00-728-7729M12600NM-02BCF52LHTA51M-02BCMT2S1032BCCPCMS21069-3K
5310-00-728-7726M12600NM-40BCMS21069-04K

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.

Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers

Next · 3 Quote

Quote M12600NM or an equivalent

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