PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG109BUAdapter,connector

Joint Electronics Type Designation System · NSN 5935-00-199-1790 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-199-1790 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-199-1790. Primary manufacturer part number: UG109BU.
Features
  • Adapter,connector — FSC 5935
  • Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 ALL MATING ENDS SINGLE CONTACT GROUPING
  • Shell Type: SOLID
  • Insert Material: PLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
  • Shell Surface Treatment: SILVER
  • Included Contact Type: COAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING
  • Body Style: STRAIGHT SHAPE, INTERNAL COUPLING
  • Thread Series Designator: UNEF
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-199-1790, 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 Joint Electronics Type Designation System. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-199-1790
Primary Part NumberUG109BU
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 ALL MATING ENDS SINGLE CONTACT GROUPING
Shell TypeSOLID
Insert MaterialPLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
Shell Surface TreatmentSILVER
Included Contact TypeCOAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Thread Series DesignatorUNEF
Nominal Thread Length0.187 INCHES IN
Precious MaterialSILVER
Contact Surface TreatmentSILVER ALL MATING ENDS SINGLE CONTACT GROUPING
Nominal Thread Size0.750 INCHES IN
Mating End Quantity2
Contact RemovabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Precious Material and LocationCONTACT AND SHELL SURFACES SILVER
Included Contact Quantity1 ALL MATING ENDS SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL AND INTERNALLY THREADED COUPLING RING
Contact Position Arrangement StyleLN ALL MATING ENDS
Precious Material and Weight0.110 SILVER GRAINS, TROY
Thread Class2A AND 2B A
Overall Diameter0.746 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Threaded Device TypeCOUPLING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
1650-00-109-6505622577 INTERCHANGEABLE
Piston and Shoe
Eaton Aerospace, Llc Dba Jackson South
5935-00-520-6649KC79-46 INTERCHANGEABLE
Connector,receptacle,electrical
King Nutronics Corporation Dba King Nutronics
2520-00-848-0530 INTERCHANGEABLE
Support
Cross-Reference Index
Part NumberManufacturer
UG109BU PRIMARY Joint Electronics Type Designation System (USA)
UG109AU PRIMARY Joint Electronics Type Designation System (USA)
1PC7625 Airgas Safety, Inc. Dba Airgas (USA)
UG109A-U Puget Sound Naval Shipyard and Intermediate Maintence Facility (USA)
31-2221 Amphenol Corporation Div Amphenol Rf (USA)
IPC7625 Amphenol Corporation Div Amphenol Rf (USA)
RE49F289 Department of the Navy (USA)
RE49F289 PRIMARY Naval Ship Systems Command (USA)
Related Parts
1650-00-109-6505INTERCHANGEABLE
PISTON AND SHOE
622577
5935-00-520-6649INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
KC79-46
2520-00-848-0530INTERCHANGEABLE
SUPPORT

Frequently Asked Questions

What is NSN 5935-00-199-1790?

NSN 5935-00-199-1790 is a Adapter,connector, manufactured by Joint Electronics Type Designation System, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-199-1790?

NSN 5935-00-199-1790 has 8 cross-referenced part numbers: UG109BU (Joint Electronics Type Designation System), UG109AU (Joint Electronics Type Designation System), 1PC7625 (Airgas Safety, Inc. Dba Airgas), UG109A-U (Puget Sound Naval Shipyard and Intermediate Maintence Facility), 31-2221 (Amphenol Corporation Div Amphenol Rf) and 3 more.

What NSN replaces 5935-00-199-1790?

There are 3 known substitutes for 5935-00-199-1790: 1650-00-109-6505, 5935-00-520-6649, 2520-00-848-0530. Verify interchangeability with system specifications before substitution.

What are the specifications of UG109BU?

Key specifications for UG109BU: Radio Frequency Type Contact Characteristic Impedance in Ohms: 50.0 ALL MATING ENDS SINGLE CONTACT GROUPING; Shell Type: SOLID; Insert Material: PLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS; Shell Surface Treatment: SILVER. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-199-1790 still in active supply?

NSN 5935-00-199-1790 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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