PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31681Connector,receptacle,electrical

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5935-01-199-2712 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-199-2712 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-199-2712. Primary manufacturer part number: 31681.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Shell Surface Treatment: CADMIUM
  • Insert Material: RUBBER SYNTHETIC SINGLE MATING END
  • Unthreaded Mounting Hole Diameter: 0.120 INCHES NOMINAL IN
  • Criticality Code Justification: FEAT
  • Nominal Thread Length: 0.625 INCHES IN
  • Contact Maximum AC Voltage Rating in Volts: 500.0 SINGLE MATING END ALL CONTACT GROUPINGS
  • Precious Material: GOLD
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-199-2712, 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 Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-199-2712
Primary Part Number31681
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Shell Surface TreatmentCADMIUM
Insert MaterialRUBBER SYNTHETIC SINGLE MATING END
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Nominal Thread Length0.625 INCHES IN
Contact Maximum AC Voltage Rating in Volts500.0 SINGLE MATING END ALL CONTACT GROUPINGS
Precious MaterialGOLD
Contact Position Arrangement Style20-22 SINGLE MATING END
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Shell TypeSOLID
Thread Series DesignatorUNEF
Included Contact Quantity3 SINGLE MATING END SECOND CONTACT GROUPING
Nominal Thread Size1.375 INCHES IN
Precious Material and LocationCONTACT SURFACES GOLD
Contact Surface TreatmentGOLD SINGLE MATING END ALL CONTACT GROUPINGS
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.250 INCHES NOMINAL IN
Distance From Mounting Shoulder to Front Face0.750 INCHES NOMINAL IN
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Precious Material and Weight0.018 GOLD GRAINS, TROY
Thread Class2A A
Contact RemovabilityREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
Shell MaterialALUMINUM ALLOY
Terminal TypeCRIMP SINGLE MATING END ALL CONTACT GROUPINGS
Connector Locking MethodEXTERNALLY THREADED SHELL
Threaded Device TypeCOUPLING FACILITY
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-484-15983168-1 INTERCHANGEABLE
Valve Assembly
Kearflex Engineering Company
5110-00-541-79995110-00-541-7999 INTERCHANGEABLE
File Set,hand
General Services Administration Federal Supply Service
5940-00-549-597831681 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
6240-01-395-830031681 INTERCHANGEABLE
Lamp,incandescent
Adams Rite Aerospace, Inc
Cross-Reference Index
Part NumberManufacturer
31681 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
4820-00-484-1598INTERCHANGEABLE
VALVE ASSEMBLY
3168-1
5110-00-541-7999INTERCHANGEABLE
FILE SET,HAND
5110-00-541-7999
5940-00-549-5978INTERCHANGEABLE
TERMINAL,LUG
31681
6240-01-395-8300INTERCHANGEABLE
LAMP,INCANDESCENT
31681

Frequently Asked Questions

What is NSN 5935-01-199-2712?

NSN 5935-01-199-2712 is a Connector,receptacle,electrical, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-199-2712?

NSN 5935-01-199-2712 has 1 cross-referenced part number: 31681 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5935-01-199-2712?

There are 4 known substitutes for 5935-01-199-2712: 4820-00-484-1598, 5110-00-541-7999, 5940-00-549-5978 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31681?

Key specifications for 31681: Shell Surface Treatment: CADMIUM; Insert Material: RUBBER SYNTHETIC SINGLE MATING END; Unthreaded Mounting Hole Diameter: 0.120 INCHES NOMINAL IN; Criticality Code Justification: FEAT. 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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