PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

321165Transistor

Telemechanics Inc · NSN 5961-00-351-8003 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-351-8003 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-351-8003. Primary manufacturer part number: 321165.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC
  • Terminal Length: 0.400 INCHES MINIMUM IN
  • Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION
  • Overall Diameter: 0.330 INCHES MAXIMUM IN
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-00-351-8003, 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 Telemechanics Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-351-8003
Primary Part Number321165
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Terminal Length0.400 INCHES MINIMUM IN
Power Rating Per Characteristic300.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION
Overall Diameter0.330 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Voltage Rating in Volts Per Characteristic25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 25.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Circle Diameter0.200 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
MaterialPLASTIC ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-074-882010653110 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-912-90082N3638A INTERCHANGEABLE
Transistor
Central Semiconductor, Llc Dba Central Semiconductor Corp
4730-01-226-79890321165 INTERCHANGEABLE
Strainer Element,sediment
Brp Us Inc
5940-01-364-8636321165 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
2N3638A Fairchild Camera and Instrument Corp Sub of Schlumberger Ltd (USA)
321165 American Telephone and Telegraph Co (USA)
321165 PRIMARY Telemechanics Inc (USA)
2N3638A Fairchild Semiconductor Corp (USA)
Related Parts
5961-00-074-8820INTERCHANGEABLE
TRANSISTOR
10653110
5961-00-912-9008INTERCHANGEABLE
TRANSISTOR
2N3638A
4730-01-226-7989INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
0321165
5940-01-364-8636INTERCHANGEABLE
TERMINAL,LUG
321165

Frequently Asked Questions

What is NSN 5961-00-351-8003?

NSN 5961-00-351-8003 is a Transistor, manufactured by Telemechanics Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-351-8003?

NSN 5961-00-351-8003 has 4 cross-referenced part numbers: 2N3638A (Fairchild Camera and Instrument Corp Sub of Schlumberger Ltd), 321165 (American Telephone and Telegraph Co), 321165 (Telemechanics Inc), 2N3638A (Fairchild Semiconductor Corp).

What NSN replaces 5961-00-351-8003?

There are 4 known substitutes for 5961-00-351-8003: 5961-00-074-8820, 5961-00-912-9008, 4730-01-226-7989 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 321165?

Key specifications for 321165: Internal Configuration: JUNCTION CONTACT; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Terminal Length: 0.400 INCHES MINIMUM IN; Power Rating Per Characteristic: 300.0 MILLIWATTS MAXIMUM PEAK GATE POWER DISSIPATION. 14 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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