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Technical Data Sheet
PartsTable / COMPONENT / M423
M423 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

VULCANIZING MOLD,RUBBER COVERED. Key specifications include hub_size: 0.313 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, end_radius: 0.125 INCHES NOMINAL IN, stock_width: 0.3125 INCHES NOMINAL IN, stock_thickness: 0.020 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4940-00-257-3652, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
M423
NSN: 4940-00-257-3652
FSC: 4940
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
hub_size0.313 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
end_radius0.125 INCHES NOMINAL IN
stock_width0.3125 INCHES NOMINAL IN
stock_thickness0.020 INCHES NOMINAL IN
NSN4940-00-257-3652
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VULCANIZING MOLD,RUBBER COVERED TITLE COMPONENT PN M423 MFR VULCANIZING MOLD,RUBBE
KEY FEATURES
•
CABLE SECTION LENGTH ACCOMMODATED: 0.938 INCHES NOMINAL IN
•
CABLE OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
ENLARGED CENTER FEATURE: INCLUDED
•
CABLE TYPE FOR WHICH DESIGNED: ROUND
•
DESIGN TYPE: SPLICING
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CABLE SECTION LENGTH ACCOMMODATED0.938 INCHES NOMINAL IN
CABLE OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
ENLARGED CENTER FEATUREINCLUDED
SPECIAL FEATURESMARKED /M-423 PART 1/
CABLE TYPE FOR WHICH DESIGNEDROUND
DESIGN TYPESPLICING
INSIDE DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
G189-01-8125Interchangeable
interchangeable cross-reference
interchangeable
954-5Interchangeable
interchangeable cross-reference
interchangeable
MJH3-001-40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M423?
M423 is a VULCANIZING MOLD,RUBBER COVERED.
What parts can replace M423?
There are 3 known substitutes for M423: G189-01-8125, 954-5, MJH3-001-40. Substitute compatibility should be verified for your specific system.
What is the NSN for M423?
M423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4940-00-257-3652. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026