PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILS19500-323Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-009-8025 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-009-8025 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-009-8025. Primary manufacturer part number: MILS19500-323.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Semiconductor Material: SILICON
  • Specification/standard Data: 81349-MIL-S-19500/323 GOVERNMENT SPECIFICATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Voltage Rating in Volts Per Characteristic: -60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-009-8025, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-009-8025
Primary Part NumberMILS19500-323
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialSILICON
Specification/standard Data81349-MIL-S-19500/323 GOVERNMENT SPECIFICATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Voltage Rating in Volts Per Characteristic-60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND -60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Length0.750 INCHES MAXIMUM IN
Overall Diameter0.195 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18
Mounting MethodTERMINAL
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5996-00-237-8748504A INTERCHANGEABLE
Amplifier,electrost
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
5961-00-438-0598 INTERCHANGEABLE
Transistor
5961-00-911-6015 INTERCHANGEABLE
Transistor
5961-00-943-9407 INTERCHANGEABLE
Transistor
5961-01-023-3433 INTERCHANGEABLE
Transistor
5961-01-042-2290 INTERCHANGEABLE
Transistor
5961-01-236-8861 INTERCHANGEABLE
Transistor
5975-01-243-0192504A INTERCHANGEABLE
Conduit Outlet
Pauluhn Electric Manufacturing, Llp Dba Pauluhn Electric
5355-01-279-169450-4A INTERCHANGEABLE
Knob
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
MILS19500-323 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N3250 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
504A Fairchild Semiconductor Corp (USA)
JAN2N3250A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
070000630 Tokyo Keiki Seizosho Co. Tokyo Precision Instrument Co. Ltd (JPN)
JANTX2N3250A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
472-0434-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
MIL-PRF-19500/323 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2SA499R Sony Corporation (JPN)
JAN2N3250 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5996-00-237-8748INTERCHANGEABLE
AMPLIFIER,ELECTROST
504A
5961-00-438-0598INTERCHANGEABLE
TRANSISTOR
5961-00-911-6015INTERCHANGEABLE
TRANSISTOR
5961-00-943-9407INTERCHANGEABLE
TRANSISTOR
5961-01-023-3433INTERCHANGEABLE
TRANSISTOR
5961-01-042-2290INTERCHANGEABLE
TRANSISTOR
5961-01-236-8861INTERCHANGEABLE
TRANSISTOR
5975-01-243-0192INTERCHANGEABLE
CONDUIT OUTLET
504A
5355-01-279-1694INTERCHANGEABLE
KNOB
50-4A

Frequently Asked Questions

What is NSN 5961-00-009-8025?

NSN 5961-00-009-8025 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-009-8025?

NSN 5961-00-009-8025 has 10 cross-referenced part numbers: MILS19500-323 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N3250 (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 504A (Fairchild Semiconductor Corp), JAN2N3250A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 070000630 (Tokyo Keiki Seizosho Co. Tokyo Precision Instrument Co. Ltd) and 5 more.

What NSN replaces 5961-00-009-8025?

There are 9 known substitutes for 5961-00-009-8025: 5996-00-237-8748, 5961-00-438-0598, 5961-00-911-6015 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILS19500-323?

Key specifications for MILS19500-323: Features Provided: HERMETICALLY SEALED CASE; Power Rating Per Characteristic: 1.2 WATTS MAXIMUM TOTAL POWER DISSIPATION; Semiconductor Material: SILICON; Specification/standard Data: 81349-MIL-S-19500/323 GOVERNMENT SPECIFICATION. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-009-8025 still in active supply?

NSN 5961-00-009-8025 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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