PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C4-20SVRC4HCConnector,receptacle,electrical

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation · NSN 5935-00-806-1956 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-806-1956 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-806-1956. Primary manufacturer part number: C4-20SVRC4HC.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Precious Material: GOLD
  • Thread Series Designator: UNF
  • Connector Cable Strain Relief Method: CABLE CLAMP
  • Shell Type: SOLID
  • Shell Material: PLASTIC
  • Polarization Method: MATING END
  • Contact Surface Treatment Document and Classification: MIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE 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 5935-00-806-1956, 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 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-806-1956
Primary Part NumberC4-20SVRC4HC
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
StatusCANCELLED
Precious MaterialGOLD
Thread Series DesignatorUNF
Connector Cable Strain Relief MethodCABLE CLAMP
Shell TypeSOLID
Shell MaterialPLASTIC
Polarization MethodMATING END
Contact Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Bushing Accommodation Hole ShapeROUND
Features ProvidedPRE-TINNED TERMINAL
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.375 INCHES IN
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodSPRING LOCK
Thread Quantity Per Inch24
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.004 GOLD GRAINS, TROY
Insert MaterialGLASS SINGLE MATING END
Contact Position Arrangement Style4 SINGLE MATING END
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeMOUNTING BUSHING
Thread Class2A A
Precious Material and LocationCONTACT SURFACES GOLD
Distance From Mounting Shoulder to Front Face0.180 INCHES NOMINAL IN
Mounting Facility Thickness0.093 INCHES NOMINAL IN
Contact Maximum Current Rating in Amps7.5 SINGLE MATING END SINGLE CONTACT GROUPING
Overall Diameter0.460 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5935-01-037-9684M4S-LRH10 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
Cross-Reference Index
Part NumberManufacturer
M4SLRH10 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
M4S27 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
C4-20SVRC4HC PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
Related Parts
5935-01-037-9684INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
M4S-LRH10

Frequently Asked Questions

What is NSN 5935-00-806-1956?

NSN 5935-00-806-1956 is a Connector,receptacle,electrical, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-806-1956?

NSN 5935-00-806-1956 has 3 cross-referenced part numbers: M4SLRH10 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), M4S27 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), C4-20SVRC4HC (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation).

What NSN replaces 5935-00-806-1956?

There is 1 known substitute for 5935-00-806-1956: 5935-01-037-9684. Verify interchangeability with system specifications before substitution.

What are the specifications of C4-20SVRC4HC?

Key specifications for C4-20SVRC4HC: Precious Material: GOLD; Thread Series Designator: UNF; Connector Cable Strain Relief Method: CABLE CLAMP; Shell Type: SOLID. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-806-1956 still in active supply?

NSN 5935-00-806-1956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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