PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

265345Transistor

Gould Instrument Systems Inc · NSN 5961-00-067-6681 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-067-6681 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-067-6681. Primary manufacturer part number: 265345.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-5TO-5
  • Overall Diameter: 0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 1.2 MAXIMUM COLLECTOR SUPPLY VOLTAGE1.2 MAXIMUM COLLECTOR SUPPLY VOLTAGE
  • Terminal Length: 1.500 INCHES MINIMUM1.500 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 5961-00-067-6681, 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 Gould Instrument Systems Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5961-00-067-6681
Primary Part Number265345
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGould Instrument Systems Inc
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Circle Diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-5TO-5
Overall Diameter0.370 INCHES MAXIMUM0.370 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic1.2 MAXIMUM COLLECTOR SUPPLY VOLTAGE1.2 MAXIMUM COLLECTOR SUPPLY VOLTAGE
Terminal Length1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
Power Rating Per Characteristic3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialSILICONSILICON
Mounting MethodTERMINALTERMINAL
Current Rating Per Characteristic1.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN1.00 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-508-8788 INTERCHANGEABLE
Angle,structural
2590-01-163-0554265345 INTERCHANGEABLE
Cap,filler Opening
Young Touchstone Company Div Young Touchstone
5360-01-602-355826534-5 INTERCHANGEABLE
Spring
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
265345 PRIMARY Gould Instrument Systems Inc (USA)
Related Parts
9540-00-508-8788INTERCHANGEABLE
ANGLE,STRUCTURAL
2590-01-163-0554INTERCHANGEABLE
CAP,FILLER OPENING
265345
5360-01-602-3558INTERCHANGEABLE
SPRING
26534-5

Frequently Asked Questions

What is NSN 5961-00-067-6681?

NSN 5961-00-067-6681 is a Transistor, manufactured by Gould Instrument Systems Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-067-6681?

NSN 5961-00-067-6681 has 1 cross-referenced part number: 265345 (Gould Instrument Systems Inc).

What NSN replaces 5961-00-067-6681?

There are 3 known substitutes for 5961-00-067-6681: 9540-00-508-8788, 2590-01-163-0554, 5360-01-602-3558. Verify interchangeability with system specifications before substitution.

What are the specifications of 265345?

Key specifications for 265345: Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE; Special Features: JUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN; Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT; Terminal Circle Diameter: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN. 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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