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Technical Data Sheet
PartsTable / COMPONENT / 31-4243
31-4243 ✓ 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 W/CABLE CLAMP, shell_type: SOLID, thread_class: 2B, overall_width: 0.700 INCHES NOMINAL IN, terminal_type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING, overall_height: 0.700 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 5935-01-093-4409, 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
31-4243
NSN: 5935-01-093-4409
FSC: 5935
CAGE: 74868 — AMPHENOL CORPORATION DIV AMPHENOL RF (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE W/CABLE CLAMP
shell_typeSOLID
thread_class2B
overall_width0.700 INCHES NOMINAL IN
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
overall_height0.700 INCHES NOMINAL IN
overall_length1.500 INCHES MAXIMUM IN
bushing_diameter0.505 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
precious_materialGOLD
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
NSN5935-01-093-4409
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 31-4243 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
BUSHING DIAMETER: 0.505 INCHES MAXIMUM IN
•
THREAD CLASS: 2B
•
ENVIRONMENTAL PROTECTION: CORROSION RESISTANT AND MOISTURE RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT: 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-39012/18 GOVERNMENT SPECIFICATION
•
TEST DATA DOCUMENT: 81349-MIL-C-39012 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
PRECIOUS MATERIAL: GOLD
•
CONTACT SURFACE TREATMENT: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
TECHNICAL CHARACTERISTICS (FLIS)
BUSHING DIAMETER0.505 INCHES MAXIMUM IN
THREAD CLASS2B
ENVIRONMENTAL PROTECTIONCORROSION RESISTANT AND MOISTURE RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81349-MIL-C-39012/18 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-MIL-C-39012 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
PRECIOUS MATERIALGOLD
CONTACT SURFACE TREATMENTGOLD SINGLE MATING END SINGLE CONTACT GROUPING
TERMINAL LOCATIONBACK SINGLE MATING END SINGLE CONTACT GROUPING
DISTANCE FROM MOUNTING SHOULDER TO FRONT FACE0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1-331694-0Interchangeable
interchangeable cross-reference
interchangeable
31-4242Interchangeable
interchangeable cross-reference
interchangeable
M39012/18-0013Interchangeable
interchangeable cross-reference
interchangeable
UG291DUInterchangeable
interchangeable cross-reference
interchangeable
MILC39012-18Interchangeable
interchangeable cross-reference
interchangeable
M39012-18-0002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-4243?
31-4243 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 31-4243?
There are 23 known substitutes for 31-4243: 1-331694-0, 31-4242, M39012/18-0013 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-4243?
31-4243 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-093-4409. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026