PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

900322-051Transistor

Kaman Aerospace Corporation · NSN 5961-01-069-5023 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-069-5023 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-069-5023. Primary manufacturer part number: 900322-051.
Features
  • Transistor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Overall Diameter: 0.620 INCHES MAXIMUM IN
  • Mounting Method: UNTHREADED HOLE(S)
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-66
  • Power Rating Per Characteristic: 35.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Internal Junction Configuration: NPN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-069-5023, 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 Kaman Aerospace Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-069-5023
Primary Part Number900322-051
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKaman Aerospace Corporation
StatusACTIVE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Overall Diameter0.620 INCHES MAXIMUM IN
Mounting MethodUNTHREADED HOLE(S)
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-66
Power Rating Per Characteristic35.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal Junction ConfigurationNPN
Semiconductor MaterialSILICON
Mounting Facility Quantity2
Internal ConfigurationJUNCTION CONTACT
Test Data Document92059-900322 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)
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR TO EMITTER, SUSTAINED
Terminal Type and Quantity1 CASE AND 2 PIN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic5.00 AMPERES MAXIMUM BASE CURRENT, DC AND 7.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-105-19672N2878 INTERCHANGEABLE
Transistor
Solitron Devices, Inc.
5961-00-498-53012N3878 INTERCHANGEABLE
Transistor
Renesas Electronics America Inc
5961-01-065-0017 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
900322-051 PRIMARY Kaman Aerospace Corporation (USA)
2N3878 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
5961-00-105-1967INTERCHANGEABLE
TRANSISTOR
2N2878
5961-00-498-5301INTERCHANGEABLE
TRANSISTOR
2N3878
5961-01-065-0017INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-069-5023?

NSN 5961-01-069-5023 is a Transistor, manufactured by Kaman Aerospace Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-069-5023?

NSN 5961-01-069-5023 has 2 cross-referenced part numbers: 900322-051 (Kaman Aerospace Corporation), 2N3878 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5961-01-069-5023?

There are 3 known substitutes for 5961-01-069-5023: 5961-00-105-1967, 5961-00-498-5301, 5961-01-065-0017. Verify interchangeability with system specifications before substitution.

What are the specifications of 900322-051?

Key specifications for 900322-051: Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.620 INCHES MAXIMUM IN; Overall Length: 0.250 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN; Mounting Method: UNTHREADED HOLE(S). 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com