PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66601-2Contact,electrical

Te Connectivity Corporation · NSN 5999-01-127-3955 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-127-3955 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-127-3955. Primary manufacturer part number: 66601-2.
Features
  • Contact,electrical — FSC 5999
  • Mounting Method: FORCE FIT
  • Style Designator: SOCKET CONTACT
  • Material: TIN ALLOY BODY AND CONTACT
  • Precious Material and Location: BODY AND CONTACT SURFACE GOLD
  • Overall Diameter: 0.150 INCHES MAXIMUM IN
  • Current Rating in Amps: 13.0
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AXIALLY AT ONE END
Applications
  • Applications requiring Tin Alloy Body and Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-01-127-3955, 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 6 commercial cross-references from 5 manufacturers, 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
NSN5999-01-127-3955
Primary Part Number66601-2
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Mounting MethodFORCE FIT
Style DesignatorSOCKET CONTACT
MaterialTIN ALLOY BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACE GOLD
Overall Diameter0.150 INCHES MAXIMUM IN
Current Rating in Amps13.0
Terminal Type and Quantity1 TAB, SOLDER LUG AXIALLY AT ONE END
Cable Entrance Diameter0.064 INCHES MAXIMUM IN
Precious MaterialGOLD
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Mounting MethodFORCE FIT
Style DesignatorSOCKET CONTACT
MaterialTIN ALLOY BODY AND CONTACT
Precious Material and LocationBODY AND CONTACT SURFACE GOLD
Overall Diameter0.150 INCHES MAXIMUM IN
Current Rating in Amps13.0
Terminal Type and Quantity1 TAB, SOLDER LUG AXIALLY AT ONE END
Cable Entrance Diameter0.064 INCHES MAXIMUM IN
Precious MaterialGOLD
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Precious Material and Weight0.005 GOLD GRAINS, TROY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZZ
Weight0.0200 lbs
Cube0.0010 cu ft
Verified Substitutes 1
2805-00-691-94887703890 INTERCHANGEABLE
Insert,engine Valve Seat
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
66601-2 Drs Sustainment Systems Inc (USA)
8506355-3 Honeywell International Inc. Dba Honeywell International (USA)
ES7749-03S Drs Sustainment Systems, Inc. (USA)
66601-2 PRIMARY Te Connectivity Corporation (USA)
26479-2024 Bae Systems Information & Electronic Systems Integration Inc. (USA)
66601-2 Drs Sustainment Systems, Inc. (USA)
Related Parts
2805-00-691-9488INTERCHANGEABLE
INSERT,ENGINE VALVE SEAT
7703890

Frequently Asked Questions

What is NSN 5999-01-127-3955?

NSN 5999-01-127-3955 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 5999-01-127-3955?

NSN 5999-01-127-3955 has 6 cross-referenced part numbers: 66601-2 (Drs Sustainment Systems Inc), 8506355-3 (Honeywell International Inc. Dba Honeywell International), ES7749-03S (Drs Sustainment Systems, Inc.), 66601-2 (Te Connectivity Corporation), 26479-2024 (Bae Systems Information & Electronic Systems Integration Inc.) and 1 more.

What NSN replaces 5999-01-127-3955?

There is 1 known substitute for 5999-01-127-3955: 2805-00-691-9488. Verify interchangeability with system specifications before substitution.

What are the specifications of 66601-2?

Key specifications for 66601-2: Overall Length: 2.540 INCHES MAXIMUM IN; Mounting Method: FORCE FIT; Style Designator: SOCKET CONTACT; Material: TIN ALLOY BODY AND CONTACT. 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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