PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C0-51Contact,electrical

Square D Co Columbia Mfg Plant · NSN 5999-00-035-8039 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-035-8039 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-035-8039. Primary manufacturer part number: C0-51.
Features
  • Contact,electrical — FSC 5999
  • Surface Treatment: SILVER BODY
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Mounting Facility Quantity: 1
  • Unthreaded Mounting Hole Diameter: 0.234 INCHES NOMINAL IN
  • Style Designator: PIN CENTER CONTACT
  • Mounting Method: UNTHREADED HOLE(S)
  • Material: COPPER ALLOY CONTACT
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-035-8039, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Square D Co Columbia Mfg Plant. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-035-8039
Primary Part NumberC0-51
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerSquare D Co Columbia Mfg Plant
StatusACTIVE
Surface TreatmentSILVER BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Mounting Facility Quantity1
Unthreaded Mounting Hole Diameter0.234 INCHES NOMINAL IN
Style DesignatorPIN CENTER CONTACT
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER ALLOY CONTACT
Cable Entrance Diameter0.020 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious MaterialSILVER
Surface TreatmentSILVER CONTACT
Overall Diameter0.094 INCHES NOMINAL IN
Pin Diameter0.025 INCHES NOMINAL IN
Precious Material and LocationEXTERNAL SURFACE SILVER
Surface TreatmentSILVER BODY
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Mounting Facility Quantity1
Unthreaded Mounting Hole Diameter0.234 INCHES NOMINAL IN
Style DesignatorPIN CENTER CONTACT
Mounting MethodUNTHREADED HOLE(S)
MaterialCOPPER ALLOY CONTACT
Cable Entrance Diameter0.020 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Precious MaterialSILVER
Surface TreatmentSILVER CONTACT
Overall Diameter0.094 INCHES NOMINAL IN
Pin Diameter0.025 INCHES NOMINAL IN
Precious Material and LocationEXTERNAL SURFACE SILVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 1
3010-00-540-7458T1-1 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
C0-51 Square D Co Columbia Mfg Plant (USA)
C051 Square D Co Columbia Mfg Plant (USA)
Related Parts
3010-00-540-7458INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T1-1

Frequently Asked Questions

What is NSN 5999-00-035-8039?

NSN 5999-00-035-8039 is a Contact,electrical, manufactured by Square D Co Columbia Mfg Plant, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-035-8039?

NSN 5999-00-035-8039 has 2 cross-referenced part numbers: C0-51 (Square D Co Columbia Mfg Plant), C051 (Square D Co Columbia Mfg Plant).

What NSN replaces 5999-00-035-8039?

There is 1 known substitute for 5999-00-035-8039: 3010-00-540-7458. Verify interchangeability with system specifications before substitution.

What are the specifications of C0-51?

Key specifications for C0-51: Surface Treatment: SILVER BODY; Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END; Mounting Facility Quantity: 1; Unthreaded Mounting Hole Diameter: 0.234 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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