PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG-333C/UConnector,plug,electrical

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5935-00-853-0181 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-853-0181 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-853-0181. Primary manufacturer part number: UG-333C/U.
Features
  • Connector,plug,electrical — FSC 5935
  • Connector Locking Method: EXTERNALLY THREADED SHELL
  • Insert Material: PLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
  • Cable Entrance Diameter: 0.900 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Body Style: STRAIGHT SHAPE, INTERNAL COUPLING
  • Overall Diameter: 1.375 INCHES NOMINAL IN
  • Specification/standard Data: 81349-MIL-C-3643 GOVERNMENT SPECIFICATION
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-853-0181, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-853-0181
Primary Part NumberUG-333C/U
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
StatusCANCELLED
Connector Locking MethodEXTERNALLY THREADED SHELL
Insert MaterialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
Cable Entrance Diameter0.900 INCHES NOMINAL IN
Precious MaterialSILVER
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Overall Diameter1.375 INCHES NOMINAL IN
Specification/standard Data81349-MIL-C-3643 GOVERNMENT SPECIFICATION
Contact Surface TreatmentSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.005 SILVER GRAINS, TROY
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum AC Voltage Rating in Volts1500.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleHN SINGLE MATING END
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethodCABLE CLAMP
Shell MaterialCOPPER
Precious Material and LocationCONTACT SURFACE SILVER
Test Data Document81349-MIL-C-3643 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.).
Mating End Quantity1
Environmental ProtectionWEATHERPROOF
Thread DirectionRIGHT-HAND
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.750 INCHES IN
Threaded Device TypeCOUPLING FACILITY
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6530-00-027-61551005 INTERCHANGEABLE
Cup,specimen
Lsl Industries Llc Dba Lsl Health Care
5935-00-201-8151 INTERCHANGEABLE
Adapter,connector
5935-00-234-9114 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-549-1116UG494AU INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
5935-00-914-0585 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
UG-333C/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC3643 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-3643/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6530-00-027-6155INTERCHANGEABLE
CUP,SPECIMEN
1005
5935-00-201-8151INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-234-9114INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-549-1116INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG494AU
5935-00-914-0585INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-00-853-0181?

NSN 5935-00-853-0181 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: cancelled.

What are the part numbers for NSN 5935-00-853-0181?

NSN 5935-00-853-0181 has 3 cross-referenced part numbers: UG-333C/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC3643 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-3643/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-853-0181?

There are 5 known substitutes for 5935-00-853-0181: 6530-00-027-6155, 5935-00-201-8151, 5935-00-234-9114 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UG-333C/U?

Key specifications for UG-333C/U: Connector Locking Method: EXTERNALLY THREADED SHELL; Insert Material: PLASTIC TETRAFLUOROETHYLENE SINGLE MATING END; Cable Entrance Diameter: 0.900 INCHES NOMINAL IN; Precious Material: SILVER. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-853-0181 still in active supply?

NSN 5935-00-853-0181 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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