PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-216Adapter,connector

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-821-6126 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-821-6126 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-821-6126. Primary manufacturer part number: 31-216.
Features
  • Adapter,connector — FSC 5935
  • Threaded Device Type: COUPLING FACILITY
  • Body Style: STRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING
  • Thread Class: 2B
  • Shell Type: SOLID
  • Contact Removability: NONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
  • Included Contact Type: COAXIAL PIN FIRST MATING END ALL CONTACT GROUPINGS
  • Included Contact Quantity: 1 SECOND MATING END ALL CONTACT GROUPINGS
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Adapter,connector, cataloged under National Stock Number 5935-00-821-6126, 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 Amphenol Corporation Div Amphenol Rf. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-821-6126
Primary Part Number31-216
Item NameAdapter,connector
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusACTIVE
Threaded Device TypeCOUPLING FACILITY
Body StyleSTRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING
Thread Class2B
Shell TypeSOLID
Contact RemovabilityNONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
Included Contact TypeCOAXIAL PIN FIRST MATING END ALL CONTACT GROUPINGS
Included Contact Quantity1 SECOND MATING END ALL CONTACT GROUPINGS
Shell Surface TreatmentSILVER
Insert MaterialPLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
Contact MaterialCOPPER ALLOY ALL MATING ENDS ALL CONTACT GROUPINGS
Contact Position Arrangement StyleBNC SECOND MATING END
Contact Surface TreatmentSILVER ALL MATING ENDS ALL CONTACT GROUPINGS
Included Contact Quantity1 FIRST MATING END ALL CONTACT GROUPINGS
Nominal Thread Size0.625 INCHES IN
Included Contact TypeCOAXIAL SOCKET SECOND MATING END ALL CONTACT GROUPINGS
Precious MaterialSILVER
Shell MaterialCOPPER ALLOY
Thread Series DesignatorUNEF
Connector Locking MethodINTERNALLY THREADED COUPLING NUT AND BAYONET SHELL
Mating End Quantity2
Thread DirectionRIGHT-HAND
Precious Material and LocationCONTACT AND SHELL SURFACE SILVER
Contact Position Arrangement StyleN FIRST MATING END
Contact Maximum DC Voltage Rating in Volts500.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Overall Diameter0.812 INCHES NOMINAL IN
Radio Frequency Type Contact Characteristic Impedance in Ohms50.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3439-00-165-4168E312-16 0.188 10LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-165-4169 INTERCHANGEABLE
Electrode,welding
5136-00-189-32234461 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
5910-00-195-0091 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
1650-00-370-995431216 INTERCHANGEABLE
Selector Set,gate Valve
Pneudraulics, Inc.
6640-01-012-425731213 INTERCHANGEABLE
Incubator,bacteriological
Precision Scientific Petroleum Instruments Co
4820-01-019-754931216 INTERCHANGEABLE
Valve,assembly,control
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5999-01-358-649531216 INTERCHANGEABLE
Clamp,electrical
Abb Installation Products Inc
5935-01-579-44171091-172 INTERCHANGEABLE
Adapter,connector
Anritsu Company
Cross-Reference Index
Part NumberManufacturer
31-216 PRIMARY Amphenol Corporation Div Amphenol Rf (USA)
VBE417-72 Thales Nederland (NLD)
357-9291-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
031-216 Amphenol-Tuchel Electronics Gmbh (DEU)
31-216 Amphenol-Tuchel Electronics Gmbh (DEU)
1091-172 Amphenol Canada Corp (CAN)
Related Parts
3439-00-165-4168INTERCHANGEABLE
ELECTRODE,WELDING
E312-16 0.188 10LB
3439-00-165-4169INTERCHANGEABLE
ELECTRODE,WELDING
5136-00-189-3223INTERCHANGEABLE
DIE,THREAD CUTTING
4461
5910-00-195-0091INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
1650-00-370-9954INTERCHANGEABLE
SELECTOR SET,GATE VALVE
31216
6640-01-012-4257INTERCHANGEABLE
INCUBATOR,BACTERIOLOGICAL
31213
4820-01-019-7549INTERCHANGEABLE
VALVE,ASSEMBLY,CONTROL
31216
5999-01-358-6495INTERCHANGEABLE
CLAMP,ELECTRICAL
31216
5935-01-579-4417INTERCHANGEABLE
ADAPTER,CONNECTOR
1091-172

Frequently Asked Questions

What is NSN 5935-00-821-6126?

NSN 5935-00-821-6126 is a Adapter,connector, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-821-6126?

NSN 5935-00-821-6126 has 6 cross-referenced part numbers: 31-216 (Amphenol Corporation Div Amphenol Rf), VBE417-72 (Thales Nederland), 357-9291-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 031-216 (Amphenol-Tuchel Electronics Gmbh), 31-216 (Amphenol-Tuchel Electronics Gmbh) and 1 more.

What NSN replaces 5935-00-821-6126?

There are 9 known substitutes for 5935-00-821-6126: 3439-00-165-4168, 3439-00-165-4169, 5136-00-189-3223 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-216?

Key specifications for 31-216: Threaded Device Type: COUPLING FACILITY; Body Style: STRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING; Thread Class: 2B; Shell Type: SOLID. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com