PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1274-458Transistor

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5961-01-086-2420 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-086-2420 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-086-2420. Primary manufacturer part number: 1274-458.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: -25.0 MAXIMUM GATE TO SOURCE VOLTAGE AND -25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-5
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM GATE CURRENT AND 500.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT
  • Internal Configuration: FIELD EFFECT
  • Terminal Length: 1.500 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-086-2420, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-086-2420
Primary Part Number1274-458
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Voltage Rating in Volts Per Characteristic-25.0 MAXIMUM GATE TO SOURCE VOLTAGE AND -25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-5
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM GATE CURRENT AND 500.00 MILLIAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT
Internal ConfigurationFIELD EFFECT
Terminal Length1.500 INCHES MINIMUM IN
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic3.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Semiconductor MaterialSILICON
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6135-00-921-6487497 INTERCHANGEABLE
Battery,nonrechargeable
Eveready Battery Co Inc
Cross-Reference Index
Part NumberManufacturer
1274-458 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
U320 Siliconix Incorporated Div Siliconix (USA)
Related Parts
6135-00-921-6487INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
497

Frequently Asked Questions

What is NSN 5961-01-086-2420?

NSN 5961-01-086-2420 is a Transistor, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-086-2420?

NSN 5961-01-086-2420 has 2 cross-referenced part numbers: 1274-458 (Bae Systems Information and Electronic Systems Integration Inc.), U320 (Siliconix Incorporated Div Siliconix).

What NSN replaces 5961-01-086-2420?

There is 1 known substitute for 5961-01-086-2420: 6135-00-921-6487. Verify interchangeability with system specifications before substitution.

What are the specifications of 1274-458?

Key specifications for 1274-458: Voltage Rating in Volts Per Characteristic: -25.0 MAXIMUM GATE TO SOURCE VOLTAGE AND -25.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-5; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN. 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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