PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

95855-2Transistor

Itt Telecom Products Corp Network Systems Div · NSN 5961-00-173-4257 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-173-4257 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-173-4257. Primary manufacturer part number: 95855-2.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC
  • Mounting Method: TERMINAL
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-173-4257, 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 Itt Telecom Products Corp Network Systems Div. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-173-4257
Primary Part Number95855-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerItt Telecom Products Corp Network Systems Div
StatusACTIVE
Power Rating Per Characteristic150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Maximum Operating Temp Per Measurement Point100.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTERMINAL
Terminal Length1.500 INCHES MINIMUM IN
Overall Diameter0.370 INCHES MAXIMUM IN
Current Rating Per Characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialGERMANIUM
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER AND 25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 25.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-059-4723 INTERCHANGEABLE
Transistor
5961-00-092-0518472-0545-008 INTERCHANGEABLE
Transistor
The Boeing Company Div Legacy Boeing Hb1
5961-00-152-8003 INTERCHANGEABLE
Transistor
5961-00-152-8005 INTERCHANGEABLE
Transistor
5961-00-152-8006 INTERCHANGEABLE
Transistor
5961-00-173-4255 INTERCHANGEABLE
Transistor
5961-00-173-4258 INTERCHANGEABLE
Transistor
5961-00-260-2671SM-B-684315 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-849-1582 INTERCHANGEABLE
Transistor
5961-00-852-7067 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
95855-2 Itt Telecom Products Corp Network Systems Div (USA)
DMS 78019B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
95855-2 Texas Instruments Incorporated (USA)
95855-2 General Semiconductor Inc (USA)
Related Parts
5961-00-059-4723INTERCHANGEABLE
TRANSISTOR
5961-00-092-0518INTERCHANGEABLE
TRANSISTOR
472-0545-008
5961-00-152-8003INTERCHANGEABLE
TRANSISTOR
5961-00-152-8005INTERCHANGEABLE
TRANSISTOR
5961-00-152-8006INTERCHANGEABLE
TRANSISTOR
5961-00-173-4255INTERCHANGEABLE
TRANSISTOR
5961-00-173-4258INTERCHANGEABLE
TRANSISTOR
5961-00-260-2671INTERCHANGEABLE
TRANSISTOR
SM-B-684315
5961-00-849-1582INTERCHANGEABLE
TRANSISTOR
5961-00-852-7067INTERCHANGEABLE
TRANSISTOR
5961-00-852-8854INTERCHANGEABLE
TRANSISTOR
5961-00-862-9709INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-173-4257?

NSN 5961-00-173-4257 is a Transistor, manufactured by Itt Telecom Products Corp Network Systems Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-173-4257?

NSN 5961-00-173-4257 has 4 cross-referenced part numbers: 95855-2 (Itt Telecom Products Corp Network Systems Div), DMS 78019B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 95855-2 (Texas Instruments Incorporated), 95855-2 (General Semiconductor Inc).

What NSN replaces 5961-00-173-4257?

There are 12 known substitutes for 5961-00-173-4257: 5961-00-059-4723, 5961-00-092-0518, 5961-00-152-8003 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 95855-2?

Key specifications for 95855-2: Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC. 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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