PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-50BConnector,receptacle,electrical

Te Connectivity Corporation Dba Microdot Products · NSN 5935-00-802-4027 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-802-4027 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-802-4027. Primary manufacturer part number: 31-50B.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Overall Diameter: 0.250 INCHES NOMINAL IN
  • Bushing Accommodation Hole Shape: ROUND W/FLAT
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING
  • Connector Locking Method: INTERNALLY THREADED COUPLING NUT
  • Precious Material and Location: CONTACT SURFACES GOLD AND SHELL SURFACE AND CONTACT MATERIAL SILVER
  • 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,receptacle,electrical, cataloged under National Stock Number 5935-00-802-4027, 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 Te Connectivity Corporation Dba Microdot Products. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-802-4027
Primary Part Number31-50B
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation Dba Microdot Products
StatusACTIVE
Overall Diameter0.250 INCHES NOMINAL IN
Bushing Accommodation Hole ShapeROUND W/FLAT
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING NUT
Precious Material and LocationCONTACT SURFACES GOLD AND SHELL SURFACE AND CONTACT MATERIAL SILVER
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentSILVER
Shell TypeSOLID
Nominal Thread Size0.190 INCHES IN
Thread Quantity Per Inch32
Contact MaterialSILVER SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNF
Insert MaterialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Material Document and ClassificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Precious Material and Weight0.005 GOLD GRAINS, TROY AND 0.200 SILVER GRAINS, TROY
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD AND SILVER
Thread DirectionRIGHT-HAND
Mating End Quantity1
Threaded Device TypeCOUPLING FACILITY AND MOUNTING BUSHING
Body Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-006-8466 INTERCHANGEABLE
Angle,structural
2920-00-140-518750103 INTERCHANGEABLE
Starting Group,truck
Wetherill Associates Inc
3110-00-144-85280042969 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5330-00-178-7602348212 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4710-00-218-39683150B INTERCHANGEABLE
Pipe,discharge
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
6145-00-295-0855UL62SOOW6BCK3/10EPCPE INTERCHANGEABLE
Cable,power,electrical
Underwriters Laboratories Inc
3120-00-374-9710 INTERCHANGEABLE
Bearing,sleeve
6110-00-500-008350103 INTERCHANGEABLE
Regulator,voltage
Ward Leonard Ct Llc
5950-00-732-47159-1620-3 INTERCHANGEABLE
Coil,electrical
Eaton Corp Opns & Technical Center
9905-01-075-593150-103 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
31-50B PRIMARY Te Connectivity Corporation Dba Microdot Products (USA)
50103 Millitron Corp (USA)
Related Parts
9540-00-006-8466INTERCHANGEABLE
ANGLE,STRUCTURAL
2920-00-140-5187INTERCHANGEABLE
STARTING GROUP,TRUCK
50103
3110-00-144-8528INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042969
5330-00-178-7602INTERCHANGEABLE
SEAL,PLAIN ENCASED
348212
4710-00-218-3968INTERCHANGEABLE
PIPE,DISCHARGE
3150B
6145-00-295-0855INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
UL62SOOW6BCK3/10EPCPE
3120-00-374-9710INTERCHANGEABLE
BEARING,SLEEVE
6110-00-500-0083INTERCHANGEABLE
REGULATOR,VOLTAGE
50103
5950-00-732-4715INTERCHANGEABLE
COIL,ELECTRICAL
9-1620-3
9905-01-075-5931INTERCHANGEABLE
PLATE,INSTRUCTION
50-103
2540-01-238-1823INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
50-103
5331-01-314-3837INTERCHANGEABLE
O-RING
50103

Frequently Asked Questions

What is NSN 5935-00-802-4027?

NSN 5935-00-802-4027 is a Connector,receptacle,electrical, manufactured by Te Connectivity Corporation Dba Microdot Products, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-802-4027?

NSN 5935-00-802-4027 has 2 cross-referenced part numbers: 31-50B (Te Connectivity Corporation Dba Microdot Products), 50103 (Millitron Corp).

What NSN replaces 5935-00-802-4027?

There are 12 known substitutes for 5935-00-802-4027: 9540-00-006-8466, 2920-00-140-5187, 3110-00-144-8528 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-50B?

Key specifications for 31-50B: Overall Diameter: 0.250 INCHES NOMINAL IN; Bushing Accommodation Hole Shape: ROUND W/FLAT; Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING; Terminal Location: BACK SINGLE MATING END SINGLE CONTACT GROUPING. 26 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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