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KC39-20 ✓ 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

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT SHAPE, INTERNAL COUPLING, shell_type: SOLID, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 1.500 INCHES MAXIMUM IN, shell_material: COPPER ALLOY, overall_diameter: 0.593 INCHES MAXIMUM 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 5935-00-164-0123, 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
KC39-20
NSN: 5935-00-164-0123
FSC: 5935
CAGE: 91836 — WINCHESTER INTERCONNECT CORPORATION (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
shell_typeSOLID
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length1.500 INCHES MAXIMUM IN
shell_materialCOPPER ALLOY
overall_diameter0.593 INCHES MAXIMUM IN
precious_materialGOLD
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
included_contact_typeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
connector_locking_methodBAYONET PIN
NSN5935-00-164-0123
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN KC39-20 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
•
ENVIRONMENTAL PROTECTION: MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
•
OVERALL DIAMETER: 0.593 INCHES MAXIMUM IN
•
CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-G-45204,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
•
CONTACT REMOVABILITY: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
•
SHELL TYPE: SOLID
•
TERMINAL TYPE: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
•
CONTACT POSITION ARRANGEMENT STYLE: BNC SINGLE MATING END
•
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.).
TECHNICAL CHARACTERISTICS (FLIS)
ENVIRONMENTAL PROTECTIONMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
OVERALL DIAMETER0.593 INCHES MAXIMUM IN
CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-G-45204,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT REMOVABILITYNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
SHELL TYPESOLID
TERMINAL TYPESOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT POSITION ARRANGEMENT STYLEBNC SINGLE MATING END
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.).
SHELL MATERIALCOPPER ALLOY
CONNECTOR LOCKING METHODBAYONET PIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
31-4431Interchangeable
interchangeable cross-reference
interchangeable
M39012/17-0503Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-39012/17Interchangeable
interchangeable cross-reference
interchangeable
MILC39012-17Interchangeable
interchangeable cross-reference
interchangeable
M39012-17-0009Interchangeable
interchangeable cross-reference
interchangeable
M39012/17-0016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KC39-20?
KC39-20 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace KC39-20?
There are 26 known substitutes for KC39-20: 31-4431, M39012/17-0503, MIL-PRF-39012/17 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC39-20?
KC39-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-164-0123. 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