PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM11-20SGDSConnector,receptacle,electrical

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation · NSN 5935-00-405-1275 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-405-1275 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-405-1275. Primary manufacturer part number: SM11-20SGDS.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Precious Material and Location: CONTACT SURFACES GOLD
  • Precious Material and Weight: 0.011 GOLD GRAINS, TROY
  • Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Thread Quantity Per Inch: 56
  • Contact Maximum Current Rating in Amps: 7.5 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 5935-00-405-1275, 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 24 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-405-1275
Primary Part NumberSM11-20SGDS
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Precious Material and LocationCONTACT SURFACES GOLD
Precious Material and Weight0.011 GOLD GRAINS, TROY
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch56
Contact Maximum Current Rating in Amps7.5 SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity11 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Length0.190 INCHES IN
Insert Material Document and ClassificationMIL-M-19833,TYPE GDI-30 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Threaded Device TypeMOUNTING STUD
Thread Class2A A
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.086 INCHES IN
Body StyleSTRAIGHT SHAPE
Thread DirectionRIGHT-HAND
Mating End Quantity1
Distance Between Mounting Facility Centers0.625 INCHES NOMINAL IN
Polarization MethodGUIDE PIN/SOCKET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-005-9431C141-007-0711 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Interstate Electronics Corporation
Cross-Reference Index
Part NumberManufacturer
SM11-20SGDS PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
GC806CT11SB Northrop Grumman Systems Corporation (USA)
Related Parts
5935-01-005-9431INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
C141-007-0711

Frequently Asked Questions

What is NSN 5935-00-405-1275?

NSN 5935-00-405-1275 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: active.

What are the part numbers for NSN 5935-00-405-1275?

NSN 5935-00-405-1275 has 2 cross-referenced part numbers: SM11-20SGDS (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation), GC806CT11SB (Northrop Grumman Systems Corporation).

What NSN replaces 5935-00-405-1275?

There is 1 known substitute for 5935-00-405-1275: 5935-01-005-9431. Verify interchangeability with system specifications before substitution.

What are the specifications of SM11-20SGDS?

Key specifications for SM11-20SGDS: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Precious Material and Location: CONTACT SURFACES GOLD; Precious Material and Weight: 0.011 GOLD GRAINS, TROY; Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING. 27 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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