Cross reference · Howmet Fastening Systems · Plate self-locking nut
MK2000 cross referenceSPS M12610, ESNA RM52LHTA57M, Cherry T8077S, NAS696A
MK2000 is a Howmet plate self-locking nut series on 10 government stock numbers. Its closest equivalents are SPS M12610, ESNA RM52LHTA57M, Cherry T8077S, NAS696A. Each one is labeled with how strong the evidence is.
- Issued by Howmet Fastening Systems
- Item Plate self-locking nut
- Stock numbers 10
- Equivalents 23
- DLA paid $4.00
Equivalents in the government catalog
Catalog-only listings need engineering approval before you substitute.
Manufacturers
- M12610SPS TechnologiesCatalog only, needs approvalon 4 of 10 stock numbers, 4 sizes
- NS103198SPS TechnologiesCatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
- RM52LHTA57MESNACatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
- RMA9207MESNACatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
- T8077SCherry AerospaceCatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
7 more on one stock number each: M12700E, MA12610, MT12S, MT12S428BC, MT12S428BCCPC, MTL12S, MTL12S632BC
- M12700ESPS TechnologiesCatalog only, needs approvalon 1 of 10 stock numbers
- MA12610SPS TechnologiesCatalog only, needs approvalon 1 of 10 stock numbers
- MT12SCherry AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
- MT12S428BCCherry AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
- MT12S428BCCPCCherry AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
- MTL12SCherry AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
- MTL12S632BCCherry AerospaceCatalog only, needs approvalon 1 of 10 stock numbers
Standards
- NAS696ANASCatalog only, needs approvalon 3 of 10 stock numbers, 3 sizes
4 more on one stock number each: MS21071L, MS21071L06K, MS21071L3K, MS21071L4K
- MS21071LMSCatalog only, needs approvalon 1 of 10 stock numbers
- MS21071L06KMSCatalog only, needs approvalon 1 of 10 stock numbers
- MS21071L3KMSCatalog only, needs approvalon 1 of 10 stock numbers
- MS21071L4KMSCatalog only, needs approvalon 1 of 10 stock numbers
Airframer and OEM drawings
6 more on one stock number each: BACN10JP04B, BACN10JP06B, BACN10JP08B, BACN10JP3B, GN10B, Z00N
- BACN10JP04BBoeingCatalog only, needs approvalon 1 of 10 stock numbers
- BACN10JP06BBoeingCatalog only, needs approvalon 1 of 10 stock numbers
- BACN10JP08BBoeingCatalog only, needs approvalon 1 of 10 stock numbers
- BACN10JP3BBoeingCatalog only, needs approvalon 1 of 10 stock numbers
- GN10BNorthrop GrummanCatalog only, needs approvalon 1 of 10 stock numbers
- Z00NDaherCatalog only, needs approvalon 1 of 10 stock numbers
Plus 11 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).
Get quotes for MK2000
Cited equivalents go on the request as acceptable alternates. Catalog-only listings do not.
Install tooling
SpecLok has no catalog family for MK2000. Tooling for the equivalents:
None of the equivalents is in the SpecLok catalog yet.
What the government paid
DLA awards on 1 of 10 stock numbers, 4 awards from 2023-05-03 to 2026-04-01.
Latest award per stock number: $4.00 each.
DLA production lead time: 120 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 | MK2000 | M12610 | RM52LHTA57M | T8077S | NAS696A | MS21071L | Last DLA price |
|---|---|---|---|---|---|---|---|
| 5310-00-655-6162 | MK2000-3 | RM52LHTA57M02 | NAS696A3 | ||||
| 5310-00-660-2977 | MK2000-4 | RM52LHTA57M048 | NAS696A4 | ||||
| 5310-00-734-1857 | MK2000-6 | M12610-62 | MS21071L06 | ||||
| 5310-01-014-8947 | MK2000-04BAC | T8077S440 | |||||
| 5310-01-036-0909 | MK2000-06BAC | T8077S632 | |||||
| 5310-00-763-3923 | MK2000-06BC | M12610-62BC | |||||
| 5310-00-548-5842 | MK2000-08BAC | T8077S932 | |||||
| 5310-00-582-9525 | MK2000-08T2 | NAS696A08 | |||||
| 5310-00-764-1790 | MK2000-3BC | M12610-02BC | RM52LHTA57M-02BC | $4.00 2026-04 | |||
| 5310-01-063-1008 | MK2000-4BC | M12610-048BC |
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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