PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-345Connector,receptacle,electrical

Amphenol Corporation Div Amphenol Rf · NSN 5935-00-411-5203 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-411-5203 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-411-5203. Primary manufacturer part number: 31-345.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Insert Material: PLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY AND 0.105 SILVER GRAINS, TROY
  • Shell Type: SOLID
  • Shell Surface Treatment Document and Classification: QQ-S-365 FED SPEC 1ST TREATMENT RESPONSE
  • Contact Surface Treatment: GOLD 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 5935-00-411-5203, 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 29 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-411-5203
Primary Part Number31-345
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerAmphenol Corporation Div Amphenol Rf
StatusACTIVE
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
Thread DirectionRIGHT-HAND
Thread Class2A A
Precious Material and Weight0.005 GOLD GRAINS, TROY AND 0.105 SILVER GRAINS, TROY
Shell TypeSOLID
Shell Surface Treatment Document and ClassificationQQ-S-365 FED SPEC 1ST TREATMENT RESPONSE
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Mounting Facility Thickness0.175 INCHES NOMINAL IN
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch24
Mating End Quantity1
Connector Cable Strain Relief MethodCRIMP TYPE
Cable Entrance Diameter0.125 INCHES NOMINAL IN
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeMOUNTING BUSHING
Nominal Thread Size0.625 INCHES IN
Shell Surface TreatmentSILVER AND COPPER
Distance From Mounting Shoulder to Front Face0.220 INCHES NOMINAL IN
Overall Diameter0.785 INCHES NOMINAL IN
Contact Position Arrangement StyleBNC SINGLE MATING END
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Environmental ProtectionCORROSION RESISTANT AND VIBRATION RESISTANT AND MOISTURE RESISTANT AND THERMAL SHOCK RESISTANT
Precious Material and LocationCONTACT SURFACE GOLD AND SHELL SURFACE SILVER
Precious MaterialGOLD AND SILVER
Connector Locking MethodBAYONET PIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
9540-00-006-8448 INTERCHANGEABLE
Beam,structural
7510-00-223-670731344 INTERCHANGEABLE
Chalk,marking
Dixon Ticonderoga Co Sandusky Div
9540-00-251-2681LS497-2 INTERCHANGEABLE
Beam,structural
Lockheed Martin Corp
5930-00-867-779087935HAC INTERCHANGEABLE
Switch
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5120-01-367-765331345 INTERCHANGEABLE
Wrench,strap
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
31-345 PRIMARY Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
9540-00-006-8448INTERCHANGEABLE
BEAM,STRUCTURAL
7510-00-223-6707INTERCHANGEABLE
CHALK,MARKING
31344
9540-00-251-2681INTERCHANGEABLE
BEAM,STRUCTURAL
LS497-2
5930-00-867-7790INTERCHANGEABLE
SWITCH
87935HAC
5120-01-367-7653INTERCHANGEABLE
WRENCH,STRAP
31345

Frequently Asked Questions

What is NSN 5935-00-411-5203?

NSN 5935-00-411-5203 is a Connector,receptacle,electrical, manufactured by Amphenol Corporation Div Amphenol Rf, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-411-5203?

NSN 5935-00-411-5203 has 1 cross-referenced part number: 31-345 (Amphenol Corporation Div Amphenol Rf).

What NSN replaces 5935-00-411-5203?

There are 5 known substitutes for 5935-00-411-5203: 9540-00-006-8448, 7510-00-223-6707, 9540-00-251-2681 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-345?

Key specifications for 31-345: Insert Material: PLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END; Thread Direction: RIGHT-HAND; Thread Class: 2A A; Overall Length: 1.375 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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