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PartsTable / COMPONENT / MS3451L20-4S
MS3451L20-4S ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, terminal_type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 2.125 INCHES MAXIMUM IN, overall_diameter: 1.433 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN, terminal_location: BACK SINGLE MATING END SINGLE CONTACT GROUPING, included_contact_quantity: 4 SINGLE MATING END SINGLE CONTACT GROUPING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-464-5126, 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
MS3451L20-4S
NSN: 5935-01-464-5126
FSC: 5935
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
overall_length2.125 INCHES MAXIMUM IN
overall_diameter1.433 INCHES MINIMUM AND 1.505 INCHES MAXIMUM IN
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
included_contact_quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
mounting_facility_thickness0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
specification/standard_data96906-MS3451 GOVERNMENT STANDARD
contact_position_arrangement_style20-4 SINGLE MATING END
distance_from_mounting_shoulder_to_front_face0.860 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
NSN5935-01-464-5126
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN MS3451L20-4S MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 96906-MS3451 GOVERNMENT STANDARD
•
TERMINAL LOCATION: BACK SINGLE MATING END SINGLE CONTACT GROUPING
•
CONTACT POSITION ARRANGEMENT STYLE: 20-4 SINGLE MATING END
•
MATING END QUANTITY: 1
•
MOUNTING FACILITY THICKNESS: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
INCLUDED CONTACT QUANTITY: 4 SINGLE MATING END SINGLE CONTACT GROUPING
•
BODY STYLE: STRAIGHT SHAPE, EXTERNAL COUPLING
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA96906-MS3451 GOVERNMENT STANDARD
TERMINAL LOCATIONBACK SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT POSITION ARRANGEMENT STYLE20-4 SINGLE MATING END
MATING END QUANTITY1
MOUNTING FACILITY THICKNESS0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
INCLUDED CONTACT QUANTITY4 SINGLE MATING END SINGLE CONTACT GROUPING
BODY STYLESTRAIGHT SHAPE, EXTERNAL COUPLING
OVERALL LENGTH2.125 INCHES MAXIMUM IN
DISTANCE FROM MOUNTING SHOULDER TO FRONT FACE0.860 INCHES MINIMUM AND 0.921 INCHES MAXIMUM IN
TERMINAL TYPECRIMP SINGLE MATING END SINGLE CONTACT GROUPING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SAE-AS50151Interchangeable
interchangeable cross-reference
interchangeable
MS3451L22-2PXInterchangeable
interchangeable cross-reference
interchangeable
MS3451Interchangeable
interchangeable cross-reference
interchangeable
MS3451L16-10PInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS34511Interchangeable
interchangeable cross-reference
interchangeable
MS3451L28-9SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS3451L20-4S?
MS3451L20-4S is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace MS3451L20-4S?
There are 7 known substitutes for MS3451L20-4S: SAE-AS50151, MS3451L22-2PX, MS3451 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS3451L20-4S?
MS3451L20-4S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-464-5126. 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