PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66100-2Contact,electrical

Te Connectivity Corporation · NSN 5999-00-958-2043 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-958-2043 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-958-2043. Primary manufacturer part number: 66100-2.
Features
  • Contact,electrical — FSC 5999
  • Material: COPPER ALLOY BODY
  • Terminal Type and Quantity: 1 CRIMP END OPPOSITE CONTACT
  • Mounting Method: SPRING TENSION
  • Style Designator: SOCKET INSERT CONTACT
  • Overall Diameter: 0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • Cable Entrance Diameter: 0.113 INCHES MAXIMUM IN
  • Pin Length: 0.464 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-958-2043, 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 Te Connectivity Corporation. Government technical data includes 22 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-958-2043
Primary Part Number66100-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
MaterialCOPPER ALLOY BODY
Terminal Type and Quantity1 CRIMP END OPPOSITE CONTACT
Mounting MethodSPRING TENSION
Style DesignatorSOCKET INSERT CONTACT
Overall Diameter0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Cable Entrance Diameter0.113 INCHES MAXIMUM IN
Pin Length0.464 INCHES NOMINAL IN
Surface TreatmentTIN CONTACT
Surface TreatmentTIN BODY
MaterialCOPPER ALLOY CONTACT
Pin Diameter0.065 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
MaterialCOPPER ALLOY BODY
Terminal Type and Quantity1 CRIMP END OPPOSITE CONTACT
Mounting MethodSPRING TENSION
Style DesignatorSOCKET INSERT CONTACT
Overall Diameter0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Cable Entrance Diameter0.113 INCHES MAXIMUM IN
Pin Length0.464 INCHES NOMINAL IN
Surface TreatmentTIN CONTACT
Surface TreatmentTIN BODY
MaterialCOPPER ALLOY CONTACT
Pin Diameter0.065 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.1000 lbs
Cube0.0090 cu ft
Verified Substitutes 4
3455-00-243-9504E602 INTERCHANGEABLE
Cutter,milling,end
Precision Industries Inc Sharpaloy Div
5930-00-755-5853 INTERCHANGEABLE
Switch,thermostatic
1650-00-857-442911-464 INTERCHANGEABLE
Filter Element,fluid
Donaldson Company, Inc.
9390-01-090-1098 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Cross-Reference Index
Part NumberManufacturer
66100-2 PRIMARY Te Connectivity Corporation (USA)
E60-2 Raytheon Technical Services Company (USA)
E60-2 Cae Usa Inc. (USA)
Related Parts
3455-00-243-9504INTERCHANGEABLE
CUTTER,MILLING,END
E602
5930-00-755-5853INTERCHANGEABLE
SWITCH,THERMOSTATIC
1650-00-857-4429INTERCHANGEABLE
FILTER ELEMENT,FLUID
11-464
9390-01-090-1098INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI

Frequently Asked Questions

What is NSN 5999-00-958-2043?

NSN 5999-00-958-2043 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-958-2043?

NSN 5999-00-958-2043 has 3 cross-referenced part numbers: 66100-2 (Te Connectivity Corporation), E60-2 (Raytheon Technical Services Company), E60-2 (Cae Usa Inc.).

What NSN replaces 5999-00-958-2043?

There are 4 known substitutes for 5999-00-958-2043: 3455-00-243-9504, 5930-00-755-5853, 1650-00-857-4429 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66100-2?

Key specifications for 66100-2: Material: COPPER ALLOY BODY; Terminal Type and Quantity: 1 CRIMP END OPPOSITE CONTACT; Mounting Method: SPRING TENSION; Overall Length: 0.825 INCHES NOMINAL IN. 24 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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