PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-161-4Transistor

Raytheon Company Dba Raytheon Co · NSN 5961-00-350-1912 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-350-1912 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-350-1912. Primary manufacturer part number: 18-161-4.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-350-1912, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 10 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
NSN5961-00-350-1912
Primary Part Number18-161-4
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Mounting MethodTERMINAL
Power Rating Per Characteristic600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Internal ConfigurationJUNCTION CONTACT
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Current Rating Per Characteristic25.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-013-7783234-35022 INTERCHANGEABLE
Packing,preformed
Atlantic India Rubber Co Inc
5306-00-018-1614 INTERCHANGEABLE
Bolt,machine
5961-00-837-7262 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
18-161-4 PRIMARY Raytheon Company Dba Raytheon Co (USA)
18-161-4 Raytheon Company Div Corp (USA)
Related Parts
5330-00-013-7783INTERCHANGEABLE
PACKING,PREFORMED
234-35022
5306-00-018-1614INTERCHANGEABLE
BOLT,MACHINE
5961-00-837-7262INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-350-1912?

NSN 5961-00-350-1912 is a Transistor, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-350-1912?

NSN 5961-00-350-1912 has 2 cross-referenced part numbers: 18-161-4 (Raytheon Company Dba Raytheon Co), 18-161-4 (Raytheon Company Div Corp).

What NSN replaces 5961-00-350-1912?

There are 3 known substitutes for 5961-00-350-1912: 5330-00-013-7783, 5306-00-018-1614, 5961-00-837-7262. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-161-4?

Key specifications for 18-161-4: Mounting Method: TERMINAL; Power Rating Per Characteristic: 600.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN. 12 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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