PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C8731-1Connector,plug,electrical

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5935-01-112-6133 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-01-112-6133 — this item is cataloged by the U.S. Government under National Stock Number 5935-01-112-6133. Primary manufacturer part number: C8731-1.
Features
  • Connector,plug,electrical — FSC 5935
  • Thread Class: 2B
  • Precious Material: GOLD
  • Contact Position Arrangement Style: 2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END
  • Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END SINGLE CONTACT GROUPING
  • Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING
  • Included Contact Type: ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
  • Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-01-112-6133, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-01-112-6133
Primary Part NumberC8731-1
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Thread Class2B
Precious MaterialGOLD
Contact Position Arrangement Style2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END
Contact Maximum Current Rating in Amps3.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialPLASTIC DIALLYL PHTHALATE
Nominal Thread Size0.138 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Polarization MethodJACKSCREW
Contact Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material and Weight0.070 GOLD GRAINS, TROY
Included Contact Quantity70 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch32
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Precious Material and LocationCONTACT SURFACES GOLD
Connector Locking MethodJACKSCREW-SOCKET
Contact Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Shell Material Document and ClassificationMIL-M-14F MIL SPEC SINGLE MATERIAL RESPONSE
Threaded Device TypeCOUPLING FACILITY
Mating End Quantity1
Thread DirectionRIGHT-HAND
Body StyleSTRAIGHT SHAPE W/SCREW LOCKS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5960-00-166-7692 INTERCHANGEABLE
Electron Tube
5935-01-417-8728 INTERCHANGEABLE
Connector Body,plug,electrical
Cross-Reference Index
Part NumberManufacturer
M55302/113-07 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
530752-1 Te Connectivity Corporation (USA)
C8731-1 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5960-00-166-7692INTERCHANGEABLE
ELECTRON TUBE
5935-01-417-8728INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-01-112-6133?

NSN 5935-01-112-6133 is a Connector,plug,electrical, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-01-112-6133?

NSN 5935-01-112-6133 has 3 cross-referenced part numbers: M55302/113-07 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 530752-1 (Te Connectivity Corporation), C8731-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 5935-01-112-6133?

There are 2 known substitutes for 5935-01-112-6133: 5960-00-166-7692, 5935-01-417-8728. Verify interchangeability with system specifications before substitution.

What are the specifications of C8731-1?

Key specifications for C8731-1: Thread Class: 2B; Precious Material: GOLD; Contact Position Arrangement Style: 2 ROWS OF INDEPENDENT CONTACTS INSERTED BOARD SINGLE MATING END; Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END SINGLE CONTACT GROUPING. 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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