PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

417-235Transistor

Heathkit Co Inc Dba Heathkit Educational Systems · NSN 5961-00-997-1344 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-997-1344 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-997-1344. Primary manufacturer part number: 417-235.
Features
  • Transistor — FSC 5961
  • Specification/standard Data: 80131-RELEASE5278 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 0.400 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 1.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
  • Terminal Circle Diameter: 0.100 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-997-1344, 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 Heathkit Co Inc Dba Heathkit Educational Systems. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-997-1344
Primary Part Number417-235
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerHeathkit Co Inc Dba Heathkit Educational Systems
StatusACTIVE
Specification/standard Data80131-RELEASE5278 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.400 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic1.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC
Terminal Circle Diameter0.100 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Overall Diameter0.210 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTERMINAL
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-768-2160 INTERCHANGEABLE
Transistor
5961-01-114-6949 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
417-235 Heathkit Co Inc Dba Heathkit Educational Systems (USA)
1002543-01 Raytheon Technical Services Company (USA)
2N4121 Electronic Industries Association
2N4121 National Semiconductor Corp (USA)
2N4121 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
2N4121 Telcom Semiconductor Inc (USA)
2N4121 Fairchild Semiconductor Corp (USA)
RELEASE5278 Electronic Industries Association
Related Parts
5961-00-768-2160INTERCHANGEABLE
TRANSISTOR
5961-01-114-6949INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-997-1344?

NSN 5961-00-997-1344 is a Transistor, manufactured by Heathkit Co Inc Dba Heathkit Educational Systems, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-997-1344?

NSN 5961-00-997-1344 has 8 cross-referenced part numbers: 417-235 (Heathkit Co Inc Dba Heathkit Educational Systems), 1002543-01 (Raytheon Technical Services Company), 2N4121 (Electronic Industries Association), 2N4121 (National Semiconductor Corp), 2N4121 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd) and 3 more.

What NSN replaces 5961-00-997-1344?

There are 2 known substitutes for 5961-00-997-1344: 5961-00-768-2160, 5961-01-114-6949. Verify interchangeability with system specifications before substitution.

What are the specifications of 417-235?

Key specifications for 417-235: Overall Length: 0.250 INCHES MAXIMUM IN; Specification/standard Data: 80131-RELEASE5278 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD. 15 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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