PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-04Transistor

Westinghouse Electric Corp Semiconductor Div · NSN 5961-00-724-6899 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-724-6899 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-724-6899. Primary manufacturer part number: 154-04.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 200.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Features Provided: HERMETICALLY SEALED CASE
  • Nominal Thread Size: 0.250 INCHES IN
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Overall Width Across Flats: 0.564 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-724-6899, 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 Westinghouse Electric Corp Semiconductor Div. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-724-6899
Primary Part Number154-04
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp Semiconductor Div
StatusACTIVE
Power Rating Per Characteristic200.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Features ProvidedHERMETICALLY SEALED CASE
Nominal Thread Size0.250 INCHES IN
Terminal Type and Quantity3 TAB, SOLDER LUG
Overall Width Across Flats0.564 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-4
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Current Rating Per Characteristic7.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC AND 3.00 AMPERES MAXIMUM BASE CURRENT, DC
Thread Series DesignatorUNF
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic65.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 15.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER SATURATION VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-270-467915-404 INTERCHANGEABLE
Cock,plug
Dresser Industries Inc Leroi Div
4720-00-540-27761540-4 INTERCHANGEABLE
Hose,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
8145-01-086-7685K1349020 INTERCHANGEABLE
Shipping and Storage Container,e
Raytheon Company Dba Raytheon
9905-01-216-176915404 INTERCHANGEABLE
Plate,identification
Grimes Aerospace Company
5365-01-280-5140390-023 INTERCHANGEABLE
Spacer,sleeve
Malabar
6680-01-428-368415404 INTERCHANGEABLE
Indicator,sight,liquid
Gits Bros Mfg Co
5340-01-679-381615-404 INTERCHANGEABLE
Hinge,butt
Reell Precision Mfg Co
Cross-Reference Index
Part NumberManufacturer
154-04 Westinghouse Electric Corp Semiconductor Div (USA)
Related Parts
4820-00-270-4679INTERCHANGEABLE
COCK,PLUG
15-404
4720-00-540-2776INTERCHANGEABLE
HOSE,NONMETALLIC
1540-4
8145-01-086-7685INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
K1349020
9905-01-216-1769INTERCHANGEABLE
PLATE,IDENTIFICATION
15404
5365-01-280-5140INTERCHANGEABLE
SPACER,SLEEVE
390-023
6680-01-428-3684INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
15404
5340-01-679-3816INTERCHANGEABLE
HINGE,BUTT
15-404

Frequently Asked Questions

What is NSN 5961-00-724-6899?

NSN 5961-00-724-6899 is a Transistor, manufactured by Westinghouse Electric Corp Semiconductor Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-724-6899?

NSN 5961-00-724-6899 has 1 cross-referenced part number: 154-04 (Westinghouse Electric Corp Semiconductor Div).

What NSN replaces 5961-00-724-6899?

There are 7 known substitutes for 5961-00-724-6899: 4820-00-270-4679, 4720-00-540-2776, 8145-01-086-7685 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 154-04?

Key specifications for 154-04: Power Rating Per Characteristic: 200.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S); Features Provided: HERMETICALLY SEALED CASE. 17 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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