PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

635-50-29Transistor

Beseler, Charles Co Inc · NSN 5961-01-158-1119 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-158-1119 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-158-1119. Primary manufacturer part number: 635-50-29.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 4.00 MILLIAMPERES MAXIMUM VALLEY POINT CURRENT
  • Semiconductor Material: SILICON
  • Material: PLASTIC ENCLOSURE
  • Terminal Circle Diameter: 0.105 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 0.3 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-158-1119, 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 Beseler, Charles Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5961-01-158-1119
Primary Part Number635-50-29
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerBeseler, Charles Co Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic4.00 MILLIAMPERES MAXIMUM VALLEY POINT CURRENT
Semiconductor MaterialSILICON
MaterialPLASTIC ENCLOSURE
Terminal Circle Diameter0.105 INCHES MAXIMUM IN
Power Rating Per Characteristic0.3 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting MethodTERMINAL
Internal ConfigurationJUNCTION CONTACT
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-92
Voltage Rating in Volts Per Characteristic35.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-433-5809 INTERCHANGEABLE
Transistor
5961-01-058-7786SM-A-726661 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
2N4871 Beseler, Charles Co Inc (USA)
635-50-29 PRIMARY Beseler, Charles Co Inc (USA)
Related Parts
5961-00-433-5809INTERCHANGEABLE
TRANSISTOR
5961-01-058-7786INTERCHANGEABLE
TRANSISTOR
SM-A-726661

Frequently Asked Questions

What is NSN 5961-01-158-1119?

NSN 5961-01-158-1119 is a Transistor, manufactured by Beseler, Charles Co Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-158-1119?

NSN 5961-01-158-1119 has 2 cross-referenced part numbers: 2N4871 (Beseler, Charles Co Inc), 635-50-29 (Beseler, Charles Co Inc).

What NSN replaces 5961-01-158-1119?

There are 2 known substitutes for 5961-01-158-1119: 5961-00-433-5809, 5961-01-058-7786. Verify interchangeability with system specifications before substitution.

What are the specifications of 635-50-29?

Key specifications for 635-50-29: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Terminal Length: 0.500 INCHES MINIMUM IN; Current Rating Per Characteristic: 4.00 MILLIAMPERES MAXIMUM VALLEY POINT CURRENT; Semiconductor Material: SILICON. 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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