PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC39012-19Connector,receptacle,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-459-8243 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-459-8243 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-459-8243. Primary manufacturer part number: MILC39012-19.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Thread Series Designator: UNEF
  • Threaded Device Type: MOUNTING BUSHING
  • Thread Direction: RIGHT-HAND
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Nominal Thread Size: 0.500 INCHES IN
  • Shell Material: COPPER ALLOY
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-459-8243, 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 28 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: Active.

Technical Specifications
ParameterValue
NSN5935-00-459-8243
Primary Part NumberMILC39012-19
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
StatusACTIVE
Thread Series DesignatorUNEF
Threaded Device TypeMOUNTING BUSHING
Thread DirectionRIGHT-HAND
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.500 INCHES IN
Shell MaterialCOPPER ALLOY
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.005 GOLD GRAINS, TROY
Precious MaterialGOLD
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT
Specification/standard Data81349-MIL-C-39012/19 GOVERNMENT SPECIFICATION
Connector Locking MethodBAYONET PIN
Bushing Accommodation Hole ShapeROUND W/FLAT
Thread Quantity Per Inch28
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Frequency Rating4000.0 MEGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING
Overall Diameter0.800 INCHES MAXIMUM IN
Mating End Quantity1
Precious Material and LocationCONTACT SURFACES GOLD
Distance From Mounting Shoulder to Front Face0.774 INCHES MINIMUM AND 0.838 INCHES MAXIMUM 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.).
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-147-7704 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-173-4237 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-359-9169 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-450-5137 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-481-2009 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-608-7673 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-836-6522UG910CU INTERCHANGEABLE
Connector,receptacle,electrical
Joint Electronics Type Designation System
5935-00-850-8876 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-018-4570 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-043-0649 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
MILC39012-19 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39012-19-0004 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-147-7704INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-173-4237INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-359-9169INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-450-5137INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-481-2009INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-608-7673INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-836-6522INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
UG910CU
5935-00-850-8876INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-018-4570INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-043-0649INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-043-0650INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-043-0668INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-00-459-8243?

NSN 5935-00-459-8243 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: active.

What are the part numbers for NSN 5935-00-459-8243?

NSN 5935-00-459-8243 has 2 cross-referenced part numbers: MILC39012-19 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39012-19-0004 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-459-8243?

There are 12 known substitutes for 5935-00-459-8243: 5935-00-147-7704, 5935-00-173-4237, 5935-00-359-9169 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILC39012-19?

Key specifications for MILC39012-19: Thread Series Designator: UNEF; Threaded Device Type: MOUNTING BUSHING; Thread Direction: RIGHT-HAND; Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING. 29 total characteristics are documented in the Federal Logistics Information System.

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