PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG-287B/UAdapter,connector

Component Enterprises Company, Inc. · NSN 5935-00-666-1852 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-666-1852 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-666-1852. Primary manufacturer part number: UG-287B/U.
Features
  • Adapter,connector — FSC 5935
  • Unthreaded Mounting Hole Diameter: 0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.437 INCHES NOMINAL IN
  • Distance From Mounting Shoulder to Front Face: 1.500 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 1.437 INCHES NOMINAL IN
  • Specification/standard Data: 81349-MIL-C-3650 GOVERNMENT SPECIFICATION
  • Nominal Thread Size: 1.250 INCHES IN
  • Included Contact Quantity: 1 ALL MATING ENDS SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-666-1852, 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 Component Enterprises Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN5935-00-666-1852
Primary Part NumberUG-287B/U
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerComponent Enterprises Company, Inc.
StatusACTIVE
Unthreaded Mounting Hole Diameter0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.437 INCHES NOMINAL IN
Distance From Mounting Shoulder to Front Face1.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Height1.437 INCHES NOMINAL IN
Specification/standard Data81349-MIL-C-3650 GOVERNMENT SPECIFICATION
Nominal Thread Size1.250 INCHES IN
Included Contact Quantity1 ALL MATING ENDS SINGLE CONTACT GROUPING
Nominal Thread Length0.500 INCHES IN
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 ALL MATING ENDS SINGLE CONTACT GROUPING
Contact Surface Treatment Document and ClassificationMIL-G-45204,TY 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE ALL MATING ENDS SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Precious MaterialGOLD
Insert MaterialPLASTIC ALL MATING ENDS
Precious Material and Weight0.010 GOLD GRAINS, TROY
Contact MaterialCOPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE W/FLANGE
Shell MaterialCOPPER ALLOY
Precious Material and LocationCONTACT SURFACES GOLD
Shell TypeSOLID
Thread DirectionRIGHT-HAND
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.).
Thread Series DesignatorUNEF
Mating End Quantity2
Included Contact TypeCOAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD ALL MATING ENDS SINGLE CONTACT GROUPING
Threaded Device TypeCOUPLING FACILITY
Thread Class2A A
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
5935-00-892-9827 INTERCHANGEABLE
Shell,electrical Connector
5935-00-944-4453UG-1258/U INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
Cross-Reference Index
Part NumberManufacturer
REB49157REVB Naval Ship Systems Command (USA)
MS91618-287B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-3650 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UG-287B/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UG287BU Joint Electronics Type Designation System (USA)
MILC3650 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UG-287B/U PRIMARY Component Enterprises Company, Inc. (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
5935-00-892-9827INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
5935-00-944-4453INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UG-1258/U

Frequently Asked Questions

What is NSN 5935-00-666-1852?

NSN 5935-00-666-1852 is a Adapter,connector, manufactured by Component Enterprises Company, Inc., classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-666-1852?

NSN 5935-00-666-1852 has 7 cross-referenced part numbers: REB49157REVB (Naval Ship Systems Command), MS91618-287B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-3650 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), UG-287B/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), UG287BU (Joint Electronics Type Designation System) and 2 more.

What NSN replaces 5935-00-666-1852?

There are 8 known substitutes for 5935-00-666-1852: 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-287B/U?

Key specifications for UG-287B/U: Overall Height: 2.000 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN; Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.437 INCHES NOMINAL IN; Distance From Mounting Shoulder to Front Face: 1.500 INCHES NOMINAL IN. 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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