PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M39012/28-0104Connector,receptacle,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-01-043-6939 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-043-6939 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-043-6939. Primary manufacturer part number: M39012/28-0104.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Thread Direction: RIGHT-HAND
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Precious Material: GOLD
  • Included Contact Quantity: 1 SINGLE MATING END SINGLE CONTACT GROUPING
  • Precious Material and Location: CONTACT SURFACE GOLD
  • Thread Series Designator: UNEF AND UN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-043-6939, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-01-043-6939
Primary Part NumberM39012/28-0104
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Thread DirectionRIGHT-HAND
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT SURFACE GOLD
Thread Series DesignatorUNEF AND UN
Mating End Quantity1
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Diameter0.812 INCHES MAXIMUM IN
Thread Class2A A
Thread Quantity Per Inch28
Connector Locking MethodEXTERNALLY THREADED SHELL
Shell MaterialCOPPER ALLOY
Shell TypeSOLID
Nominal Thread Size0.438 INCHES AND 1.500 INCHES IN
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.).
Contact Maximum Frequency Rating11000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethodCRIMP TYPE
Bushing Accommodation Hole ShapeROUND W/FLAT
Environmental ProtectionSHOCK PROOF AND VIBRATION PROOF
Threaded Device TypeCOUPLING FACILITY AND MOUNTING BUSHING
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Distance From Mounting Shoulder to Front Face0.796 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment Document and ClassificationMIL-G-45204,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-112-4484 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-136-6913 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-430-4108 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-022-9082 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-028-5806 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-043-0648 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-043-0667 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-074-1532 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-092-0270 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-110-3229 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
M39012/28-0104 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC39012-28 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-112-4484INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-136-6913INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-430-4108INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-022-9082INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-028-5806INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-043-0648INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-043-0667INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-074-1532INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-092-0270INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-110-3229INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-115-7278INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-155-1206INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-01-043-6939?

NSN 5935-01-043-6939 is a Connector,receptacle,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: cancelled.

What are the part numbers for NSN 5935-01-043-6939?

NSN 5935-01-043-6939 has 2 cross-referenced part numbers: M39012/28-0104 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC39012-28 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-01-043-6939?

There are 12 known substitutes for 5935-01-043-6939: 5935-00-112-4484, 5935-00-136-6913, 5935-00-430-4108 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M39012/28-0104?

Key specifications for M39012/28-0104: Thread Direction: RIGHT-HAND; Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING; Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING; Precious Material: GOLD. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-01-043-6939 still in active supply?

NSN 5935-01-043-6939 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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