PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66028-3Contact,electrical

Te Connectivity Corporation · NSN 5999-00-910-5591 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-910-5591 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-910-5591. Primary manufacturer part number: 66028-3.
Features
  • Contact,electrical — FSC 5999
  • Surface Treatment: GOLD AND NICKEL BODY
  • Surface Treatment: GOLD AND NICKEL CONTACT
  • Material: COPPER ALLOY BODY
  • Material: COPPER ALLOY CONTACT
  • Terminal Type and Quantity: 1 CRIMP AND SOLDER AXIALLY AT ONE END
  • Style Designator: PRINTED CIRCUIT CONTACT
  • Surface Treatment: GOLD AND NICKEL BODY
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-910-5591, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-910-5591
Primary Part Number66028-3
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Surface TreatmentGOLD AND NICKEL BODY
Surface TreatmentGOLD AND NICKEL CONTACT
MaterialCOPPER ALLOY BODY
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity1 CRIMP AND SOLDER AXIALLY AT ONE END
Style DesignatorPRINTED CIRCUIT CONTACT
Surface TreatmentGOLD AND NICKEL BODY
Surface TreatmentGOLD AND NICKEL CONTACT
MaterialCOPPER ALLOY BODY
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity1 CRIMP AND SOLDER AXIALLY AT ONE END
Style DesignatorPRINTED CIRCUIT CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5999-00-795-3248 (DMS 88059B)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeVN
Weight0.0097 lbs
Cube0.0008 cu ft
Verified Substitutes 6
5999-00-795-3248DMS 88059B SUCCESSOR
Contact,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5999-00-468-3073 INTERCHANGEABLE
Contact,electrical
5840-00-474-1477 INTERCHANGEABLE
Leaf,connector
5999-00-726-3232 INTERCHANGEABLE
Contact,electrical
5330-00-773-1237 INTERCHANGEABLE
Gasket,spiral Wound
5999-00-866-653850133-1M INTERCHANGEABLE
Contact,electrical
March Electronics, Inc. Dba March Electronics Inc
Cross-Reference Index
Part NumberManufacturer
405291-1 Raytheon Company (USA)
405291-1 Raytheon Company Dba Raytheon Co (USA)
60151-3 Te Connectivity Corporation (USA)
5999PL0944238 Jednolity Indeks Materialowy - Uniform Material Index (POL)
405291-1 General Resistance Inc Sub of Prime Technology Inc (USA)
DMS 88059B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
405291-1 Prime Technology Llc (USA)
405291-1 Raytheon Company Div Corp (USA)
428403LP Te Connectivity Corporation (USA)
66028-3 PRIMARY Te Connectivity Corporation (USA)
Related Parts
SUCCESSOR 5999-00-795-3248 Contact,electrical · DMS 88059B
5999-00-468-3073INTERCHANGEABLE
CONTACT,ELECTRICAL
5840-00-474-1477INTERCHANGEABLE
LEAF,CONNECTOR
5999-00-726-3232INTERCHANGEABLE
CONTACT,ELECTRICAL
5330-00-773-1237INTERCHANGEABLE
GASKET,SPIRAL WOUND
5999-00-866-6538INTERCHANGEABLE
CONTACT,ELECTRICAL
50133-1M

Frequently Asked Questions

What is NSN 5999-00-910-5591?

NSN 5999-00-910-5591 is a Contact,electrical, manufactured by Te Connectivity Corporation, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-910-5591?

NSN 5999-00-910-5591 has 10 cross-referenced part numbers: 405291-1 (Raytheon Company), 405291-1 (Raytheon Company Dba Raytheon Co), 60151-3 (Te Connectivity Corporation), 5999PL0944238 (Jednolity Indeks Materialowy - Uniform Material Index), 405291-1 (General Resistance Inc Sub of Prime Technology Inc) and 5 more.

What NSN replaces 5999-00-910-5591?

There are 6 known substitutes for 5999-00-910-5591: 5999-00-795-3248, 5999-00-468-3073, 5840-00-474-1477 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66028-3?

Key specifications for 66028-3: Surface Treatment: GOLD AND NICKEL BODY; Surface Treatment: GOLD AND NICKEL CONTACT; Material: COPPER ALLOY BODY; Material: COPPER ALLOY CONTACT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-910-5591 still in active supply?

NSN 5999-00-910-5591 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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