PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG-1258/UConnector,plug,electrical

Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector · NSN 5935-00-944-4453 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-944-4453 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-944-4453. Primary manufacturer part number: UG-1258/U.
Features
  • Connector,plug,electrical — FSC 5935
  • Cable Entrance Diameter: 0.900 INCHES NOMINAL IN
  • Environmental Protection: CORROSION RESISTANT
  • Body Style: STRAIGHT SHAPE, INTERNAL COUPLING
  • Insert Material: PLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
  • Shell Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-944-4453, 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 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-944-4453
Primary Part NumberUG-1258/U
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
StatusACTIVE
Cable Entrance Diameter0.900 INCHES NOMINAL IN
Environmental ProtectionCORROSION RESISTANT
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Insert MaterialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
Shell Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleLC SINGLE MATING END
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and LocationCONTACT AND SHELL SURFACES SILVER
Nominal Thread Size1.250 INCHES IN
Thread Quantity Per Inch18
Thread Series DesignatorUNEF
Contact Maximum AC Voltage Rating in Volts5000.0 SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Precious Material and Weight0.105 SILVER GRAINS, TROY
Thread Class2B
Contact Surface Treatment Document and ClassificationQQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Specification/standard Data96906-MS27140 GOVERNMENT STANDARD
Contact Material Document and ClassificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Connector Cable Strain Relief MethodCOMPRESSION NUT
Included Contact TypeCOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialSILVER
Shell Surface TreatmentSILVER
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-C-3650 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.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-086-2359 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-170-8182 INTERCHANGEABLE
Connector,plug,electrical
5935-00-549-4677UG216U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5935-00-549-7577 INTERCHANGEABLE
Adapter,connector
5935-00-615-7833TRU-4020-GSUG INTERCHANGEABLE
Adapter,connector
Winchester Interconnect Rf Corporation
5935-00-665-5720 INTERCHANGEABLE
Connector,receptacle,electrical
5935-00-666-1852UG-287B/U INTERCHANGEABLE
Adapter,connector
Component Enterprises Company, Inc.
5935-00-892-9827 INTERCHANGEABLE
Shell,electrical Connector
Cross-Reference Index
Part NumberManufacturer
UG-1258/U PRIMARY Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
SCDL26752 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MIL-DTL-3650 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UG1258/U Winchester Interconnect Rf Corporation (USA)
MIL-C-3650 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27140-1258 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
UG1258/U Winchester Interconnect Corporation (USA)
UG-1258/U Joint Electronics Type Designation System (USA)
Related Parts
5935-00-086-2359INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-170-8182INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-549-4677INTERCHANGEABLE
ADAPTER,CONNECTOR
UG216U
5935-00-549-7577INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-615-7833INTERCHANGEABLE
ADAPTER,CONNECTOR
TRU-4020-GSUG
5935-00-665-5720INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-00-666-1852INTERCHANGEABLE
ADAPTER,CONNECTOR
UG-287B/U
5935-00-892-9827INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR

Frequently Asked Questions

What is NSN 5935-00-944-4453?

NSN 5935-00-944-4453 is a Connector,plug,electrical, manufactured by Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-944-4453?

NSN 5935-00-944-4453 has 8 cross-referenced part numbers: UG-1258/U (Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector), SCDL26752 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), MIL-DTL-3650 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), UG1258/U (Winchester Interconnect Rf Corporation), MIL-C-3650 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5935-00-944-4453?

There are 8 known substitutes for 5935-00-944-4453: 5935-00-086-2359, 5935-00-170-8182, 5935-00-549-4677 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UG-1258/U?

Key specifications for UG-1258/U: Cable Entrance Diameter: 0.900 INCHES NOMINAL IN; Environmental Protection: CORROSION RESISTANT; Body Style: STRAIGHT SHAPE, INTERNAL COUPLING; Insert Material: PLASTIC TETRAFLUOROETHYLENE SINGLE MATING END. 30 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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