PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66A5A32-1Transistor

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5961-00-916-5457 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-916-5457 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-916-5457. Primary manufacturer part number: 66A5A32-1.
Features
  • Transistor — FSC 5961
  • Electrode Internally-Electrically Connected to Case: BASE
  • Overall Diameter: 0.335 INCHES MAXIMUM IN
  • Internal Junction Configuration: NPN
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Test Data Document: 10001-66A5A32 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Length: 1.500 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-916-5457, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-916-5457
Primary Part Number66A5A32-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Electrode Internally-Electrically Connected to CaseBASE
Overall Diameter0.335 INCHES MAXIMUM IN
Internal Junction ConfigurationNPN
Power Rating Per Characteristic5.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Test Data Document10001-66A5A32 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Internal ConfigurationJUNCTION CONTACT
Terminal Length1.500 INCHES MINIMUM IN
Current Rating Per Characteristic30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodTERMINAL
Terminal Circle Diameter0.036 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic140.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-063-18142515531-1 INTERCHANGEABLE
Transistor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-102-91482N3019 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon Co
5961-00-229-2137MS2270U INTERCHANGEABLE
Transistor
Power Designs Inc
5961-00-914-0474723020-27REVA INTERCHANGEABLE
Transistor
Raytheon Company Div Rmd Strategic
5961-00-914-6008 INTERCHANGEABLE
Transistor
5961-01-100-8577618-4921-112 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-137-0762 INTERCHANGEABLE
Transistor
5961-01-236-4437ST1883H INTERCHANGEABLE
Transistor
Bell Industries, Inc.
5961-01-290-6586 INTERCHANGEABLE
Transistor
5961-01-596-93692N3019 INTERCHANGEABLE
Transistor
Micro Uspd Inc
Cross-Reference Index
Part NumberManufacturer
2N3019 Raytheon Company Div Corp (USA)
66A5A32-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
66A5A32-1 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
66A5A32-1 Raytheon Company Dba Raytheon Co (USA)
66A5A32-1 Raytheon Company Div Corp (USA)
2N3019 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
2N3019 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5961-00-063-1814INTERCHANGEABLE
TRANSISTOR
2515531-1
5961-00-102-9148INTERCHANGEABLE
TRANSISTOR
2N3019
5961-00-229-2137INTERCHANGEABLE
TRANSISTOR
MS2270U
5961-00-914-0474INTERCHANGEABLE
TRANSISTOR
723020-27REVA
5961-00-914-6008INTERCHANGEABLE
TRANSISTOR
5961-01-100-8577INTERCHANGEABLE
TRANSISTOR
618-4921-112
5961-01-137-0762INTERCHANGEABLE
TRANSISTOR
5961-01-236-4437INTERCHANGEABLE
TRANSISTOR
ST1883H
5961-01-290-6586INTERCHANGEABLE
TRANSISTOR
5961-01-596-9369INTERCHANGEABLE
TRANSISTOR
2N3019

Frequently Asked Questions

What is NSN 5961-00-916-5457?

NSN 5961-00-916-5457 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 5961-00-916-5457?

NSN 5961-00-916-5457 has 7 cross-referenced part numbers: 2N3019 (Raytheon Company Div Corp), 66A5A32-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 66A5A32-1 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 66A5A32-1 (Raytheon Company Dba Raytheon Co), 66A5A32-1 (Raytheon Company Div Corp) and 2 more.

What NSN replaces 5961-00-916-5457?

There are 10 known substitutes for 5961-00-916-5457: 5961-00-063-1814, 5961-00-102-9148, 5961-00-229-2137 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66A5A32-1?

Key specifications for 66A5A32-1: Electrode Internally-Electrically Connected to Case: BASE; Overall Diameter: 0.335 INCHES MAXIMUM IN; Internal Junction Configuration: NPN; Power Rating Per Characteristic: 5.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION. 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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