Cross reference · SPS Technologies · Plate self-locking nut
M12600 cross referenceHowmet MK1000, MS21069L, Northrop GN10A
M12600 is a SPS plate self-locking nut series on 8 government stock numbers. Its closest equivalents are Howmet MK1000, MS21069L, Northrop GN10A. Each one is labeled with how strong the evidence is.
- Issued by SPS Technologies
- Item Plate self-locking nut
- Stock numbers 8
- Equivalents 23
- DLA paid $0.43 to $1.24
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- MK1000Howmet Fastening SystemsCatalog only, needs approvalon 7 of 8 stock numbers, 9 sizes
- RM200AHowmet Fastening SystemsCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
10 more on one stock number each: BRM200A, MT2S, MT2S1032BC, MT2S428BC, MT2S832BC, MTL2S, MTL2S632BC, RM200A06K, RM200A08K, RM200A3K
- BRM200AHowmet Fastening SystemsCatalog only, needs approvalon 1 of 8 stock numbers
- MT2SCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- MT2S1032BCCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- MT2S428BCCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- MT2S832BCCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- MTL2SCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- MTL2S632BCCherry AerospaceCatalog only, needs approvalon 1 of 8 stock numbers
- RM200A06KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 8 stock numbers
- RM200A08KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 8 stock numbers
- RM200A3KHowmet Fastening SystemsCatalog only, needs approvalon 1 of 8 stock numbers
Standards
- MS21069LMSCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
- NAS697ANASCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
5 more on one stock number each: MS21069L06K, MS21069L08K, MS21069L3K, MS21069L4K, NAS697A06L
- MS21069L06KMSCatalog only, needs approvalon 1 of 8 stock numbers
- MS21069L08KMSCatalog only, needs approvalon 1 of 8 stock numbers
- MS21069L3KMSCatalog only, needs approvalon 1 of 8 stock numbers
- MS21069L4KMSCatalog only, needs approvalon 1 of 8 stock numbers
- NAS697A06LNASCatalog only, needs approvalon 1 of 8 stock numbers
Airframer and OEM drawings
- GN10ANorthrop GrummanCatalog only, needs approvalon 2 of 8 stock numbers, 2 sizes
3 more on one stock number each: G4609, S987, Z00N
- G4609Northrop GrummanCatalog only, needs approvalon 1 of 8 stock numbers
- S987Northrop GrummanCatalog only, needs approvalon 1 of 8 stock numbers
- Z00NDaherCatalog only, needs approvalon 1 of 8 stock numbers
Plus 16 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for M12600
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for M12600. Tooling for the equivalents:
- Self-locking nutplates (MS21047, MS21059, MS21069, MS21078; rivetless ForceTec) tooling for MS21069L, MS21069L06K, MS21069L08K, MS21069L3K
What the government paid
DLA awards on 4 of 8 stock numbers, 8 awards from 2024-05-09 to 2026-04-29.
Latest award per stock number: $0.43 to $1.24 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
| NSN | M12600 | MK1000 | MT2S | MS21069L | NAS697A | GN10A | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-728-7713 | M12600-04 | MS21069L04 | $1.24 2025-09 | ||||
| 5310-00-616-1465 | M12600-048 | MK1000-428 | MT2S428 | NAS697A4 | GN10A428 | ||
| 5310-00-842-8999 | M12600-62 | MK1000-632 | GN10A632 | ||||
| 5310-00-728-7715 | M12600-82 | MK1000-08BAC | MS21069L08 | NAS697A08 | $0.52 2026-04 | ||
| 5310-00-728-7723 | M12600-02BC | MK1000-3BC | $0.43 2024-05 | ||||
| 5310-00-728-7724 | M12600-048BC | MK1000-4BC | |||||
| 5310-00-728-7721 | M12600-62BC | MK1000-06BC | |||||
| 5310-00-728-7722 | M12600-82BC | MK1000-08BC | $0.71 2024-12 |
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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