PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

640-7Contact,electrical

Eaton Corp Opns & Technical Center · NSN 5999-00-366-8109 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-366-8109 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-366-8109. Primary manufacturer part number: 640-7.
Features
  • Contact,electrical — FSC 5999
  • Precious Material and Location: CONTACT SURFACE SILVER
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Precious Material: SILVER
  • Material: COPPER CONTACT
  • Terminal Type and Quantity: 1 CRIMP AXIALLY AT ONE END
  • Precious Material and Weight: 0.005 SILVER GRAINS, TROY
  • Material: COPPER BODY
Applications
  • Applications requiring Copper Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-366-8109, 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 Eaton Corp Opns & Technical Center. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-366-8109
Primary Part Number640-7
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerEaton Corp Opns & Technical Center
StatusACTIVE
Precious Material and LocationCONTACT SURFACE SILVER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Precious MaterialSILVER
MaterialCOPPER CONTACT
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious Material and Weight0.005 SILVER GRAINS, TROY
MaterialCOPPER BODY
Surface TreatmentSILVER CONTACT
Nominal Thread Size0.190 INCHES IN
Current Rating in Amps23.0
Mounting Facility Quantity1
Voltage Rating in Volts120.0 DC
Thread Quantity Per Inch24
Mounting MethodTHREADED HOLE(S)
Thread DirectionRIGHT-HAND
Thread Class2B
Precious Material and LocationCONTACT SURFACE SILVER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Precious MaterialSILVER
MaterialCOPPER CONTACT
Terminal Type and Quantity1 CRIMP AXIALLY AT ONE END
Precious Material and Weight0.005 SILVER GRAINS, TROY
MaterialCOPPER BODY
Surface TreatmentSILVER CONTACT
Nominal Thread Size0.190 INCHES IN
Current Rating in Amps23.0
Mounting Facility Quantity1
Voltage Rating in Volts120.0 DC
Thread Quantity Per Inch24
Mounting MethodTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.1200 lbs
Cube0.0050 cu ft
Verified Substitutes 11
1730-00-009-5409 INTERCHANGEABLE
Cord Coupler,protector
3110-00-144-8658 INTERCHANGEABLE
Bearing,ball,annular
5915-00-496-21452920137-7 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-498-98106407 INTERCHANGEABLE
Bolt,clamp
893 Mfg, Llc
2530-00-590-2680 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
2320-00-865-5446 INTERCHANGEABLE
Truck,tank
4320-00-900-28426407-0010 INTERCHANGEABLE
Seal Assembly,pump
Itt Jabsco Products
3455-01-024-99171725-0750 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5330-01-124-6757 INTERCHANGEABLE
Gasket,drain
5985-01-443-74456407 INTERCHANGEABLE
Coupler,antenna
Tech Resources, Inc
Cross-Reference Index
Part NumberManufacturer
640-7 PRIMARY Eaton Corp Opns & Technical Center (USA)
Related Parts
1730-00-009-5409INTERCHANGEABLE
CORD COUPLER,PROTECTOR
3110-00-144-8658INTERCHANGEABLE
BEARING,BALL,ANNULAR
5915-00-496-2145INTERCHANGEABLE
FILTER,BAND PASS
2920137-7
5306-00-498-9810INTERCHANGEABLE
BOLT,CLAMP
6407
2530-00-590-2680INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
2320-00-865-5446INTERCHANGEABLE
TRUCK,TANK
4320-00-900-2842INTERCHANGEABLE
SEAL ASSEMBLY,PUMP
6407-0010
3455-01-024-9917INTERCHANGEABLE
CUTTER,MILLING,END
1725-0750
5330-01-124-6757INTERCHANGEABLE
GASKET,DRAIN
5985-01-443-7445INTERCHANGEABLE
COUPLER,ANTENNA
6407
6515-01-503-6910INTERCHANGEABLE
MAYA-KUF PETRIFILM
6407

Frequently Asked Questions

What is NSN 5999-00-366-8109?

NSN 5999-00-366-8109 is a Contact,electrical, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-366-8109?

NSN 5999-00-366-8109 has 1 cross-referenced part number: 640-7 (Eaton Corp Opns & Technical Center).

What NSN replaces 5999-00-366-8109?

There are 11 known substitutes for 5999-00-366-8109: 1730-00-009-5409, 3110-00-144-8658, 5915-00-496-2145 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 640-7?

Key specifications for 640-7: Precious Material and Location: CONTACT SURFACE SILVER; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Precious Material: SILVER; Material: COPPER CONTACT. 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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