PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S10-28Transistor

Varian Associates Inc Communications Transistor Div · NSN 5961-01-238-6451 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-238-6451 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-238-6451. Primary manufacturer part number: S10-28.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 6.00 AMPERES NOMINAL COLLECTOR CURRENT, DC
  • Mounting Method: UNTHREADED HOLE(S)
  • Mounting Facility Quantity: 2
  • Power Rating Per Characteristic: 60.0 WATTS NOMINAL TOTAL POWER DISSIPATION
  • Terminal Type and Quantity: 4 RIBBON
  • Voltage Rating in Volts Per Characteristic: 28.0 NOMINAL COLLECTOR SUPPLY VOLTAGE
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-238-6451, 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 Varian Associates Inc Communications Transistor Div. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-238-6451
Primary Part NumberS10-28
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerVarian Associates Inc Communications Transistor Div
StatusACTIVE
Current Rating Per Characteristic6.00 AMPERES NOMINAL COLLECTOR CURRENT, DC
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity2
Power Rating Per Characteristic60.0 WATTS NOMINAL TOTAL POWER DISSIPATION
Terminal Type and Quantity4 RIBBON
Voltage Rating in Volts Per Characteristic28.0 NOMINAL COLLECTOR SUPPLY VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2805-00-288-386130558-A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-618-3403S1028 INTERCHANGEABLE
Washer,flat
Switchcraft Inc.
4730-00-640-1051137422 INTERCHANGEABLE
Elbow,pipe to Tube
Chrysler Realty Company Llc Dba Daimler Chrysler
5996-01-298-2133 INTERCHANGEABLE
Amplifier,radio Frequency
Cross-Reference Index
Part NumberManufacturer
S10-28 Varian Associates Inc Communications Transistor Div (USA)
S10-28 Acrian Inc (USA)
Related Parts
2805-00-288-3861INTERCHANGEABLE
VALVE,POPPET,ENGINE
30558-A
5310-00-618-3403INTERCHANGEABLE
WASHER,FLAT
S1028
4730-00-640-1051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
137422
5996-01-298-2133INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 5961-01-238-6451?

NSN 5961-01-238-6451 is a Transistor, manufactured by Varian Associates Inc Communications Transistor Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-238-6451?

NSN 5961-01-238-6451 has 2 cross-referenced part numbers: S10-28 (Varian Associates Inc Communications Transistor Div), S10-28 (Acrian Inc).

What NSN replaces 5961-01-238-6451?

There are 4 known substitutes for 5961-01-238-6451: 2805-00-288-3861, 5310-00-618-3403, 4730-00-640-1051 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S10-28?

Key specifications for S10-28: Current Rating Per Characteristic: 6.00 AMPERES NOMINAL COLLECTOR CURRENT, DC; Overall Length: 0.975 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Mounting Facility Quantity: 2. 8 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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