PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1391-274-1Transistor

Bourns Instruments Inc · NSN 5961-01-281-9959 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-281-9959 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-281-9959. Primary manufacturer part number: 1391-274-1.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 75.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Features Provided: HERMETICALLY SEALED CASE AND BURN IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-281-9959, 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 Bourns Instruments Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5961-01-281-9959
Primary Part Number1391-274-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerBourns Instruments Inc
StatusACTIVE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 75.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic5.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE AND BURN IN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Current Rating Per Characteristic2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Terminal Length1.000 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-229-5160 INTERCHANGEABLE
Transistor
5961-00-433-0457G000576-1 INTERCHANGEABLE
Transistor
National Service Industries Inc Dba Zep Mfg Co
5961-01-399-22915267839 INTERCHANGEABLE
Transistor
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
1391-274-1 Bourns Instruments Inc (USA)
1391-274-1 Recon/optical, Inc. (USA)
2N5320 Recon/optical, Inc. (USA)
2N5320 Bourns Instruments Inc (USA)
Related Parts
5961-00-229-5160INTERCHANGEABLE
TRANSISTOR
5961-00-433-0457INTERCHANGEABLE
TRANSISTOR
G000576-1
5961-01-399-2291INTERCHANGEABLE
TRANSISTOR
5267839

Frequently Asked Questions

What is NSN 5961-01-281-9959?

NSN 5961-01-281-9959 is a Transistor, manufactured by Bourns Instruments Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-281-9959?

NSN 5961-01-281-9959 has 4 cross-referenced part numbers: 1391-274-1 (Bourns Instruments Inc), 1391-274-1 (Recon/optical, Inc.), 2N5320 (Recon/optical, Inc.), 2N5320 (Bourns Instruments Inc).

What NSN replaces 5961-01-281-9959?

There are 3 known substitutes for 5961-01-281-9959: 5961-00-229-5160, 5961-00-433-0457, 5961-01-399-2291. Verify interchangeability with system specifications before substitution.

What are the specifications of 1391-274-1?

Key specifications for 1391-274-1: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Mounting Method: TERMINAL; Voltage Rating in Volts Per Characteristic: 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 75.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC. 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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