Cross reference · Northrop Grumman · Plate self-locking nut

575R004H cross referenceHowmet MF5000, SPS MA13600, MS21076L, US Army SMC208846

575R004H is a Northrop plate self-locking nut series on 5 government stock numbers. Its closest equivalents are Howmet MF5000, SPS MA13600, MS21076L, US Army SMC208846. Each one is labeled with how strong the evidence is.

Equivalents in the government catalog

5 stock numbers

Catalog-only listings need engineering approval before you substitute.

Manufacturers

  • MF5000Howmet Fastening SystemsCatalog only, needs approvalon 3 of 5 stock numbers, 3 sizes
  • MA13600SPS TechnologiesCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
  • MF1000Howmet Fastening SystemsCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
  • MF5001Howmet Fastening SystemsCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
8 more on one stock number each: M13600, MA13600NM, MT65C1032CM, MT65C832CM, MTPH65C1032CM, MTPH65C832CM, MTPHL65S440SCPC, RFM20C08M
  • M13600SPS TechnologiesCatalog only, needs approvalon 1 of 5 stock numbers, 2 sizes
  • MA13600NMSPS TechnologiesCatalog only, needs approvalon 1 of 5 stock numbers
  • MT65C1032CMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MT65C832CMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MTPH65C1032CMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MTPH65C832CMCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • MTPHL65S440SCPCCherry AerospaceCatalog only, needs approvalon 1 of 5 stock numbers
  • RFM20C08MHowmet Fastening SystemsCatalog only, needs approvalon 1 of 5 stock numbers

Standards

  • MS21076LMSCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
8 more on one stock number each: NAS1068A, NAS1068A06L, NAS1068C08M, NASM21076L3N, MS21075, MS21076, MS21076L3N, MS21076L3R
  • NAS1068ANASCatalog only, needs approvalon 1 of 5 stock numbers
  • NAS1068A06LNASCatalog only, needs approvalon 1 of 5 stock numbers
  • NAS1068C08MNASCatalog only, needs approvalon 1 of 5 stock numbers
  • NASM21076L3NNASCatalog only, needs approvalon 1 of 5 stock numbers
  • MS21075MSCatalog only, needs approvalon 1 of 5 stock numbers
  • MS21076MSCatalog only, needs approvalon 1 of 5 stock numbers
  • MS21076L3NMSCatalog only, needs approvalon 1 of 5 stock numbers
  • MS21076L3RMSCatalog only, needs approvalon 1 of 5 stock numbers

Airframer and OEM drawings

  • SMC208846US ArmyCatalog only, needs approvalon 2 of 5 stock numbers, 2 sizes
4 more on one stock number each: 1668893PC, 752727PC, 9115M92P, SMB601116
  • 1668893PCUS NavyCatalog only, needs approvalon 1 of 5 stock numbers
  • 752727PCLockheed MartinCatalog only, needs approvalon 1 of 5 stock numbers
  • 9115M92PGECatalog only, needs approvalon 1 of 5 stock numbers
  • SMB601116US ArmyCatalog only, needs approvalon 1 of 5 stock numbers

Plus 22 reference numbers whose issuer SpecLok does not identify (distributors and catalog agencies are not named).

Get quotes for 575R004H

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

Install tooling

SpecLok has no catalog family for 575R004H. Tooling for the equivalents:

None of the equivalents is in the SpecLok catalog yet.

What the government paid

DLA awards on 3 of 5 stock numbers, 41 awards from 2023-05-03 to 2026-05-12.

Latest award per stock number: $1.00 to $44.01 each.

DLA production lead time: 120 to 286 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 575R004H and its equivalents, by stock number
NSN575R004HMF5000MA13600MT65C1032CMMS21076LNAS1068ALast DLA price
5310-00-764-2395575R004H01MF5000-04CW$44.01 2024-07
5310-00-840-1321575R004H02MF5000-06CWMA13600-62F2
5310-00-582-9530575R004H03MF5000-08CWMA13600-82F2NAS1068A08
5310-00-771-7361575R004H08MS21076L08$1.00 2026-03
5310-00-771-7406575R004H09MT65C1032CMMS21076L3$2.16 2026-05

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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