PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-39012/75Connector,plug,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-01-345-9958 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-345-9958 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-345-9958. Primary manufacturer part number: MIL-C-39012/75.
Features
  • Connector,plug,electrical — FSC 5935
  • Threaded Device Type: COUPLING FACILITY
  • Thread Class: 2B
  • Mating End Quantity: 1
  • Environmental Protection: CORROSION RESISTANT AND VIBRATION RESISTANT AND MOISTURE RESISTANT AND THERMAL SHOCK RESISTANT
  • Included Contact Type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • 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.).
  • Shell Material: COPPER ALLOY
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-345-9958, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-345-9958
Primary Part NumberMIL-C-39012/75
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Threaded Device TypeCOUPLING FACILITY
Thread Class2B
Mating End Quantity1
Environmental ProtectionCORROSION RESISTANT AND VIBRATION RESISTANT AND MOISTURE RESISTANT AND THERMAL SHOCK RESISTANT
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
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
Width Across Flats0.320 INCHES NOMINAL IN
Contact Maximum Frequency Rating10.0 GIGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface Treatment Document and ClassificationQQ-S-365 FED SPEC 1ST TREATMENT RESPONSE
Connector Cable Strain Relief MethodCRIMP TYPE
Contact Position Arrangement StyleSMA SINGLE MATING END
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.105 GOLD GRAINS, TROY
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Insert Material Document and ClassificationL-P-389 FED SPEC 1ST MATERIAL RESPONSE OR L-P-403 FED SPEC 2ND MATERIAL RESPONSE SINGLE MATING END
Shell Surface TreatmentGOLD AND COPPER
Shell TypeSOLID
Thread Quantity Per Inch32
Thread Series DesignatorUNF
Precious Material and LocationCONTACT AND BODY SURFACES GOLD
Operating Temp Rating-65.0 CELSIUS MINIMUM AND 165.0 CELSIUS MAXIMUM DEGC
Specification/standard Data81349-MIL-C-39012/75 GOVERNMENT SPECIFICATION
Precious MaterialGOLD
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-937-6278 INTERCHANGEABLE
Connector,plug,electrical
5935-01-026-8530 INTERCHANGEABLE
Connector,plug,electrical
5935-01-123-9887 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
MIL-C-39012/75 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39012/75-0104 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39012/75 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-937-6278INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-026-8530INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-123-9887INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-01-345-9958?

NSN 5935-01-345-9958 is a Connector,plug,electrical, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-345-9958?

NSN 5935-01-345-9958 has 3 cross-referenced part numbers: MIL-C-39012/75 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39012/75-0104 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39012/75 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-01-345-9958?

There are 3 known substitutes for 5935-01-345-9958: 5935-00-937-6278, 5935-01-026-8530, 5935-01-123-9887. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-39012/75?

Key specifications for MIL-C-39012/75: Threaded Device Type: COUPLING FACILITY; Thread Class: 2B; Mating End Quantity: 1; Environmental Protection: CORROSION RESISTANT AND VIBRATION RESISTANT AND MOISTURE RESISTANT AND THERMAL SHOCK RESISTANT. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com