PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65A7A66-2Transistor

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5961-00-023-6654 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-023-6654 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-023-6654. Primary manufacturer part number: 65A7A66-2.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 10.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 7.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 250.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-5
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-023-6654, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-023-6654
Primary Part Number65A7A66-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Power Rating Per Characteristic10.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic300.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 7.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 250.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Terminal Length1.500 INCHES MINIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-5
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM BASE CURRENT, INSTANTANEOUS AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, INSTANTANEOUS
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Mounting MethodTERMINAL
Semiconductor MaterialSILICON
Overall Diameter0.370 INCHES MAXIMUM IN
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-872-5956 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5961-00-929-2499 INTERCHANGEABLE
Transistor
6625-01-188-71295M1956-001 INTERCHANGEABLE
Divider,power,radio Frequency
The Boeing Company Div Defense
5310-01-551-45033001189 INTERCHANGEABLE
Washer,lock
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
Cross-Reference Index
Part NumberManufacturer
65A7A66-2 Solid State Devices, Inc (USA)
2N4064 Electronic Industries Association
40256 Rca Corp Distribution and Special Products (USA)
65A7A66-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5905-00-872-5956INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5961-00-929-2499INTERCHANGEABLE
TRANSISTOR
6625-01-188-7129INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
5M1956-001
5310-01-551-4503INTERCHANGEABLE
WASHER,LOCK
3001189

Frequently Asked Questions

What is NSN 5961-00-023-6654?

NSN 5961-00-023-6654 is a Transistor, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-023-6654?

NSN 5961-00-023-6654 has 4 cross-referenced part numbers: 65A7A66-2 (Solid State Devices, Inc), 2N4064 (Electronic Industries Association), 40256 (Rca Corp Distribution and Special Products), 65A7A66-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5961-00-023-6654?

There are 4 known substitutes for 5961-00-023-6654: 5905-00-872-5956, 5961-00-929-2499, 6625-01-188-7129 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65A7A66-2?

Key specifications for 65A7A66-2: Power Rating Per Characteristic: 10.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 300.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 7.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 250.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Features Provided: HERMETICALLY SEALED CASE; Overall Length: 0.260 INCHES MAXIMUM IN. 16 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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