PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG271A/U-NAdapter,connector

Winchester Interconnect Rf Corporation · NSN 5935-00-553-3399 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-553-3399 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-553-3399. Primary manufacturer part number: UG271A/U-N.
Features
  • Adapter,connector — FSC 5935
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
  • Insert Material: PLASTIC ALL MATING ENDS
  • Contact Removability: NONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
  • Nominal Thread Size: 0.625 INCHES AND 1.250 INCHES IN
  • Precious Material: SILVER
  • Precious Material and Weight: 0.010 SILVER GRAINS, TROY
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-553-3399, 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 Winchester Interconnect Rf Corporation. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-553-3399
Primary Part NumberUG271A/U-N
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Rf Corporation
StatusCANCELLED
Thread Class2A A
Thread DirectionRIGHT-HAND
Insert MaterialPLASTIC ALL MATING ENDS
Contact RemovabilityNONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
Nominal Thread Size0.625 INCHES AND 1.250 INCHES IN
Precious MaterialSILVER
Precious Material and Weight0.010 SILVER GRAINS, TROY
Thread Series DesignatorUNEF
Shell TypeSOLID
Contact Position Arrangement StyleN SECOND MATING END
Environmental ProtectionMOISTURE RESISTANT
Shell Surface TreatmentNICKEL ALLOY
Connector Locking MethodEXTERNALLY THREADED SHELL
Body StyleSTRAIGHT SHAPE W/FLANGE
Contact MaterialCOPPER ALLOY ALL MATING ENDS ALL CONTACT GROUPINGS
Contact Position Arrangement StyleLC FIRST MATING END
Included Contact TypeCOAXIAL SOCKET ALL MATING ENDS ALL CONTACT GROUPINGS
Mating End Quantity2
Unthreaded Mounting Hole Diameter0.206 INCHES NOMINAL IN
Contact Surface TreatmentSILVER ALL MATING ENDS ALL CONTACT GROUPINGS
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.188 INCHES NOMINAL IN
Precious Material and LocationCONTACT SURFACE SILVER
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Shell MaterialCOPPER ALLOY
Threaded Device TypeCOUPLING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Height1.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-053-4423695850A INTERCHANGEABLE
Bearing,ball,annular
Hamilton Sundstrand Corporation
5330-00-145-1846 INTERCHANGEABLE
Seal,plain Encased
5120-00-165-3912 INTERCHANGEABLE
Crimping Tool,terminal,hand
5905-00-279-731102224960 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Thales Components Corp Div Thales Components Corporation
4820-00-885-953355000 INTERCHANGEABLE
Diaphragm,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-01-021-6977TB6005-00 INTERCHANGEABLE
Transformer,power
Thomson Inc Div Grass Valley
5330-01-173-6625550-00 INTERCHANGEABLE
Gasket
Taylor Made Environmental
6670-01-371-587355000 INTERCHANGEABLE
Scale,weighing
Edlund Co Inc
6530-01-473-620055000 INTERCHANGEABLE
Cot,special Needs
Ems Innovations Inc.
6532-01-612-1693 INTERCHANGEABLE
Blanket,warming,hypothermia
Cross-Reference Index
Part NumberManufacturer
UG271A/U-N Winchester Interconnect Rf Corporation (USA)
UG271AU Joint Electronics Type Designation System (USA)
TRU-1143-SSUG Winchester Interconnect Rf Corporation (USA)
TRU-1143 Winchester Interconnect Rf Corporation (USA)
UG-271A/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
EN3040-43 Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector (USA)
KV-94-05 Winchester Interconnect Corporation (USA)
55000 Amphenol Corporation Div Amphenol Rf (USA)
REB49279A Naval Ship Systems Command (USA)
MIL-DTL-27434/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-053-4423INTERCHANGEABLE
BEARING,BALL,ANNULAR
695850A
5330-00-145-1846INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-165-3912INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
5905-00-279-7311INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
02224960
4820-00-885-9533INTERCHANGEABLE
DIAPHRAGM,VALVE
55000
5950-01-021-6977INTERCHANGEABLE
TRANSFORMER,POWER
TB6005-00
5330-01-173-6625INTERCHANGEABLE
GASKET
550-00
6670-01-371-5873INTERCHANGEABLE
SCALE,WEIGHING
55000
6530-01-473-6200INTERCHANGEABLE
COT,SPECIAL NEEDS
55000
6532-01-612-1693INTERCHANGEABLE
BLANKET,WARMING,HYPOTHERMIA
5895-01-687-0005INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
55000

Frequently Asked Questions

What is NSN 5935-00-553-3399?

NSN 5935-00-553-3399 is a Adapter,connector, manufactured by Winchester Interconnect Rf Corporation, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-553-3399?

NSN 5935-00-553-3399 has 10 cross-referenced part numbers: UG271A/U-N (Winchester Interconnect Rf Corporation), UG271AU (Joint Electronics Type Designation System), TRU-1143-SSUG (Winchester Interconnect Rf Corporation), TRU-1143 (Winchester Interconnect Rf Corporation), UG-271A/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5935-00-553-3399?

There are 11 known substitutes for 5935-00-553-3399: 3110-00-053-4423, 5330-00-145-1846, 5120-00-165-3912 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UG271A/U-N?

Key specifications for UG271A/U-N: Thread Class: 2A A; Thread Direction: RIGHT-HAND; Insert Material: PLASTIC ALL MATING ENDS; Contact Removability: NONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-553-3399 still in active supply?

NSN 5935-00-553-3399 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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