Cross reference · Howmet Fastening Systems · Plate self-locking nut
MK3000 cross referenceSPS M12620, Cherry T8078S
MK3000 is a Howmet plate self-locking nut series on 12 government stock numbers. Its closest equivalents are SPS M12620, Cherry T8078S. Each one is labeled with how strong the evidence is.
- Issued by Howmet Fastening Systems
- Item Plate self-locking nut
- Stock numbers 12
- Equivalents 25
- DLA paid $0.29 to $0.84
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- M12620SPS TechnologiesCatalog only, needs approvalon 6 of 12 stock numbers, 7 sizes
- NS103199SPS TechnologiesCatalog only, needs approvalon 3 of 12 stock numbers, 3 sizes
- T8078SCherry AerospaceCatalog only, needs approvalon 3 of 12 stock numbers, 3 sizes
6 more on one stock number each: MT7S, MT7S832BC, MTL7S, MTL7S440BC, MTL7S632BC, T8078S832BC
- MT7SCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
- MT7S832BCCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
- MTL7SCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
- MTL7S440BCCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
- MTL7S632BCCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
- T8078S832BCCherry AerospaceCatalog only, needs approvalon 1 of 12 stock numbers
Standards
- NAS698ANASCatalog only, needs approvalon 2 of 12 stock numbers, 2 sizes
- MS21073LMSCatalog only, needs approvalon 2 of 12 stock numbers
7 more on one stock number each: NAS21073L, NASM21073L, MS103199, MS21073L04K, MS21073L06K, MS21073L08K, MS21073L3K
- NAS21073LNASCatalog only, needs approvalon 1 of 12 stock numbers
- NASM21073LNASCatalog only, needs approvalon 1 of 12 stock numbers
- MS103199MSCatalog only, needs approvalon 1 of 12 stock numbers
- MS21073L04KMSCatalog only, needs approvalon 1 of 12 stock numbers
- MS21073L06KMSCatalog only, needs approvalon 1 of 12 stock numbers
- MS21073L08KMSCatalog only, needs approvalon 1 of 12 stock numbers
- MS21073L3KMSCatalog only, needs approvalon 1 of 12 stock numbers
Airframer and OEM drawings
- GN10CNorthrop GrummanCatalog only, needs approvalon 2 of 12 stock numbers, 2 sizes
6 more on one stock number each: BACN10AM5C, BACN10JP08C, BACN10JP08CR, BACN10JP3C, BACN10JP4C, NT9734
- BACN10AM5CBoeingCatalog only, needs approvalon 1 of 12 stock numbers
- BACN10JP08CBoeingCatalog only, needs approvalon 1 of 12 stock numbers
- BACN10JP08CRBoeingCatalog only, needs approvalon 1 of 12 stock numbers
- BACN10JP3CBoeingCatalog only, needs approvalon 1 of 12 stock numbers
- BACN10JP4CBoeingCatalog only, needs approvalon 1 of 12 stock numbers
- NT9734Northrop GrummanCatalog only, needs approvalon 1 of 12 stock numbers
Plus 15 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MK3000
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MK3000. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 2 of 12 stock numbers, 8 awards from 2023-03-31 to 2026-05-13.
Latest award per stock number: $0.29 to $0.84 each.
DLA production lead time: 186 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
| NSN | MK3000 | M12620 | T8078S | NAS698A | MS21073L | GN10C | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-761-6830 | MK3000-4 | M12620-048 | MS21073L4 | $0.84 2026-05 | |||
| 5310-00-761-6880 | MK3000-440 | M12620-40 | MS21073L04 | ||||
| 5310-00-559-0491 | MK3000-832 | M12620-82 | NAS698A08 | GN10C832 | |||
| 5310-00-616-6759 | MK3000-1032 | NAS698A3 | GN10C1032 | ||||
| 5310-00-763-3935 | MK3000-04BC | M12620-40BC | |||||
| 5310-00-763-3936 | MK3000-06BC | M12620-62BC | |||||
| 5310-01-024-6299 | MK3000-08BAC | T8078S832 | |||||
| 5310-00-763-3937 | MK3000-08BC | ||||||
| 5310-01-630-6675 | MK3000-08BCBAC | ||||||
| 5310-01-049-0652 | MK3000-3BAC | T8078S1032 | $0.29 2023-08 | ||||
| 5310-00-763-3948 | MK3000-3BC | M12620-02BC | |||||
| 5310-01-097-8004 | MK3000-4BAC | T8078S428 |
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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