PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20454Transistor

Cessna Aircraft Co Arc Avionics Div · NSN 5961-00-987-9457 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-987-9457 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-987-9457. Primary manufacturer part number: 20454.
Features
  • Transistor — FSC 5961
  • Current Rating Per Characteristic: 12.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Thread Series Designator: UNF
  • Maximum Operating Temp Per Measurement Point: 95.0 CELSIUS JUNCTION DEGC
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Nominal Thread Size: 0.190 INCHES IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-987-9457, 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 Cessna Aircraft Co Arc Avionics Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-987-9457
Primary Part Number20454
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusACTIVE
Current Rating Per Characteristic12.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Thread Series DesignatorUNF
Maximum Operating Temp Per Measurement Point95.0 CELSIUS JUNCTION DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Nominal Thread Size0.190 INCHES IN
Mounting Facility Quantity1
Overall Diameter1.250 INCHES MAXIMUM IN
Power Rating Per Characteristic30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Semiconductor MaterialGERMANIUM
Mounting MethodTHREADED STUD(S)
Terminal Type and Quantity1 SOLDER STUD AND 2 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic2.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1040-00-300-422920454 INTERCHANGEABLE
Window
L3harris Technologies, Inc. Div Space and Airborne Systems
1650-00-349-548550711 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
1660-00-654-287120454 INTERCHANGEABLE
Disconnect Assembly,oxygen
Avox Systems Inc Dba Avox Systems Inc
5310-00-717-35972493745 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-922-7889214-1309 INTERCHANGEABLE
Clamp,hose
Cnh Industrial America Llc Dba Cnh America
4820-01-192-2271 INTERCHANGEABLE
Valve,check
5970-01-332-798020454 INTERCHANGEABLE
Insulator,plate
Decitek Corp
Cross-Reference Index
Part NumberManufacturer
20454 Cessna Aircraft Co Arc Avionics Div (USA)
26119-00000 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
1040-00-300-4229INTERCHANGEABLE
WINDOW
20454
1650-00-349-5485INTERCHANGEABLE
FILTER ELEMENT,FLUID
50711
1660-00-654-2871INTERCHANGEABLE
DISCONNECT ASSEMBLY,OXYGEN
20454
5310-00-717-3597INTERCHANGEABLE
WASHER,FLAT
2493745
4730-00-922-7889INTERCHANGEABLE
CLAMP,HOSE
214-1309
4820-01-192-2271INTERCHANGEABLE
VALVE,CHECK
5970-01-332-7980INTERCHANGEABLE
INSULATOR,PLATE
20454

Frequently Asked Questions

What is NSN 5961-00-987-9457?

NSN 5961-00-987-9457 is a Transistor, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-987-9457?

NSN 5961-00-987-9457 has 2 cross-referenced part numbers: 20454 (Cessna Aircraft Co Arc Avionics Div), 26119-00000 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5961-00-987-9457?

There are 7 known substitutes for 5961-00-987-9457: 1040-00-300-4229, 1650-00-349-5485, 1660-00-654-2871 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20454?

Key specifications for 20454: Current Rating Per Characteristic: 12.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: JUNCTION CONTACT; Thread Series Designator: UNF. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com