PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C6511-4Connector,receptacle,electrical

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5935-00-411-5206 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-411-5206 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-411-5206. Primary manufacturer part number: C6511-4.
Features
  • Connector,receptacle,electrical — FSC 5935
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
  • Environmental Protection: SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
  • Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING
  • Precious Material: GOLD
  • Precious Material and Weight: 0.030 GOLD GRAINS, TROY
  • Insert Material: PLASTIC DIALLYL PHTHALATE SINGLE MATING END
  • Board Accommodated Length: 1.600 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-411-5206, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-411-5206
Primary Part NumberC6511-4
Item NameConnector,receptacle,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusCANCELLED
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionSHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Precious Material and Weight0.030 GOLD GRAINS, TROY
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Board Accommodated Length1.600 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Included Contact Quantity30 SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodCONTACT TO CONTACT POLARIZING KEYS
Contact Maximum Current Rating in Amps5.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Board Accommodated Width0.054 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
Included Contact TypeHERMAPHRODITE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Insert Material Document and ClassificationMIL-M-19833,TY GDI-30F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Distance Between Mounting Facility Centers2.080 INCHES NOMINAL IN
Precious Material and LocationCONTACT SURFACES GOLD
Terminal TypeWIRE LOOP SINGLE MATING END SINGLE CONTACT GROUPING
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL IN
Body StyleSTRAIGHT EDGE TYPE W/MOUNTING FLANGE
Contact Position Arrangement Style2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4320-01-165-0797225A1 INTERCHANGEABLE
Pump,rotary
Steward Machine Co Inc
4320-01-165-0833 INTERCHANGEABLE
Housing,liquid Pump
5325-01-190-216960225 INTERCHANGEABLE
Grommet,nonmetallic
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5310-01-593-532060225 INTERCHANGEABLE
Washer,key
Gopher Electronics Company
Cross-Reference Index
Part NumberManufacturer
7637488P2 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
C6511-4 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
XA602-25 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
7637488-2 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
XA602-25-1 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
602-25 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
09P233169P12 PRIMARY Herley Chicago Dba Stewart Warner Electronics (USA)
Related Parts
4320-01-165-0797INTERCHANGEABLE
PUMP,ROTARY
225A1
4320-01-165-0833INTERCHANGEABLE
HOUSING,LIQUID PUMP
5325-01-190-2169INTERCHANGEABLE
GROMMET,NONMETALLIC
60225
5310-01-593-5320INTERCHANGEABLE
WASHER,KEY
60225

Frequently Asked Questions

What is NSN 5935-00-411-5206?

NSN 5935-00-411-5206 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-411-5206?

NSN 5935-00-411-5206 has 7 cross-referenced part numbers: 7637488P2 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), C6511-4 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), XA602-25 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation), 7637488-2 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), XA602-25-1 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation) and 2 more.

What NSN replaces 5935-00-411-5206?

There are 4 known substitutes for 5935-00-411-5206: 4320-01-165-0797, 4320-01-165-0833, 5325-01-190-2169 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C6511-4?

Key specifications for C6511-4: Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING; Environmental Protection: SHOCK RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT; Contact Surface Treatment: GOLD SINGLE MATING END SINGLE CONTACT GROUPING; Precious Material: GOLD. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-411-5206 still in active supply?

NSN 5935-00-411-5206 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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