PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-358-000Transistor

Astec America Inc. · NSN 5961-01-086-6547 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-086-6547 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-086-6547. Primary manufacturer part number: 66-358-000.
Features
  • Transistor — FSC 5961
  • Mounting Method: UNTHREADED HOLE(S)
  • Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 30.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 175.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Facility Quantity: 2
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Internal Configuration: JUNCTION CONTACT
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-086-6547, 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 Astec America Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-086-6547
Primary Part Number66-358-000
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAstec America Inc.
StatusCANCELLED
Mounting MethodUNTHREADED HOLE(S)
Current Rating Per Characteristic10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 30.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic175.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting Facility Quantity2
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Overall Diameter0.875 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-3
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity1 CASE AND 2 PIN
Voltage Rating in Volts Per Characteristic6.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5950-00-256-7593B0-17327-3 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4030-00-273-3084 INTERCHANGEABLE
Terminal,rope,swaging
6680-00-514-46736675 INTERCHANGEABLE
Indicator,liquid Quantity
Prestolite Electric Inc
5340-00-598-28217545974 INTERCHANGEABLE
Catch,friction
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5950-00-947-6648 INTERCHANGEABLE
Transformer,radio Frequency
5210-01-072-5658TT06-05 INTERCHANGEABLE
Blade,thickness Gage
Eldec Aerospace Corp
5961-01-086-0075 INTERCHANGEABLE
Transistor
2990-01-513-03716675 INTERCHANGEABLE
Control Assembly,push-Pull
General Atomics Aeronautical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
2N6675 Renesas Electronics America Inc (USA)
2N5654 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ND3000 Micro Uspd Inc (USA)
66-358-000 PRIMARY Astec America Inc. (USA)
EP9314 Texas Instruments Incorporated (USA)
92-0445 Infineon Technologies Americas Corp (USA)
6675 Harris Corporation Div Microwave Communication Division (USA)
Related Parts
5950-00-256-7593INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
B0-17327-3
4030-00-273-3084INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
6680-00-514-4673INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
6675
5340-00-598-2821INTERCHANGEABLE
CATCH,FRICTION
7545974
5950-00-947-6648INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5210-01-072-5658INTERCHANGEABLE
BLADE,THICKNESS GAGE
TT06-05
5961-01-086-0075INTERCHANGEABLE
TRANSISTOR
2990-01-513-0371INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
6675

Frequently Asked Questions

What is NSN 5961-01-086-6547?

NSN 5961-01-086-6547 is a Transistor, manufactured by Astec America Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-086-6547?

NSN 5961-01-086-6547 has 7 cross-referenced part numbers: 2N6675 (Renesas Electronics America Inc), 2N5654 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ND3000 (Micro Uspd Inc), 66-358-000 (Astec America Inc.), EP9314 (Texas Instruments Incorporated) and 2 more.

What NSN replaces 5961-01-086-6547?

There are 8 known substitutes for 5961-01-086-6547: 5950-00-256-7593, 4030-00-273-3084, 6680-00-514-4673 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66-358-000?

Key specifications for 66-358-000: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Mounting Method: UNTHREADED HOLE(S); Current Rating Per Characteristic: 10.00 AMPERES MAXIMUM BASE CURRENT, DC AND 30.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Power Rating Per Characteristic: 175.0 WATTS MAXIMUM TOTAL POWER DISSIPATION. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-086-6547 still in active supply?

NSN 5961-01-086-6547 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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