PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N997Transistor

Electronic Industries Association · NSN 5961-00-421-0579 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-421-0579 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-421-0579. Primary manufacturer part number: 2N997.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 500.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Overall Diameter: 0.230 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • 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 5961-00-421-0579, 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 Electronic Industries Association. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-421-0579
Primary Part Number2N997
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Mounting MethodTERMINAL
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Overall Diameter0.230 INCHES MAXIMUM IN
Current Rating Per Characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 40.0 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
Terminal Length0.500 INCHES MINIMUM IN
Specification/standard Data80131-RELEASE4114 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-089-0954 INTERCHANGEABLE
Transistor
5961-00-104-1168531520-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-781-8997127-282 INTERCHANGEABLE
Transistor
Avionics Specialties, Inc.
1720-00-939-8750414454-1 INTERCHANGEABLE
Shaft
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Cross-Reference Index
Part NumberManufacturer
2N997 Electronic Industries Association
2N997 Solid State Devices, Inc (USA)
2N997 General Electric Co Semi-Conductor Products Dept (USA)
2N997 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
2N997 Csr Industries Inc (USA)
2N997 Texas Instruments Incorporated (USA)
RELEASE4114 Electronic Industries Association
414454-1 Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-089-0954INTERCHANGEABLE
TRANSISTOR
5961-00-104-1168INTERCHANGEABLE
TRANSISTOR
531520-1
5961-00-781-8997INTERCHANGEABLE
TRANSISTOR
127-282
1720-00-939-8750INTERCHANGEABLE
SHAFT
414454-1

Frequently Asked Questions

What is NSN 5961-00-421-0579?

NSN 5961-00-421-0579 is a Transistor, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-421-0579?

NSN 5961-00-421-0579 has 8 cross-referenced part numbers: 2N997 (Electronic Industries Association), 2N997 (Solid State Devices, Inc), 2N997 (General Electric Co Semi-Conductor Products Dept), 2N997 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), 2N997 (Csr Industries Inc) and 3 more.

What NSN replaces 5961-00-421-0579?

There are 4 known substitutes for 5961-00-421-0579: 5961-00-089-0954, 5961-00-104-1168, 5961-00-781-8997 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N997?

Key specifications for 2N997: Mounting Method: TERMINAL; Internal Configuration: JUNCTION CONTACT; Power Rating Per Characteristic: 500.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION; Overall Diameter: 0.230 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-421-0579 still in active supply?

NSN 5961-00-421-0579 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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