PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/374Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-189-0640 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-189-0640 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-189-0640. Primary manufacturer part number: MIL-S-19500/374.
Features
  • Transistor — FSC 5961
  • Thread Series Designator: UNF
  • Nominal Thread Size: 0.190 INCHES IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG AND 1 WIRE HOOK
  • Overall Width Across Flats: 0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
  • Specification/standard Data: 81349-MIL-S-19500/374 GOVERNMENT SPECIFICATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-189-0640, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-189-0640
Primary Part NumberMIL-S-19500/374
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
Thread Series DesignatorUNF
Nominal Thread Size0.190 INCHES IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Type and Quantity3 TAB, SOLDER LUG AND 1 WIRE HOOK
Overall Width Across Flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-S-19500/374 GOVERNMENT SPECIFICATION
Semiconductor MaterialSILICON
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
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.).
Power Rating Per Characteristic30.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Overall Diameter0.370 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Current Rating Per Characteristic5.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5961-00-006-7175 INTERCHANGEABLE
Transistor
5961-00-054-5284 INTERCHANGEABLE
Transistor
5961-00-333-9413 INTERCHANGEABLE
Transistor
5961-00-419-5360 INTERCHANGEABLE
Transistor
5961-00-482-8491361590-2 INTERCHANGEABLE
Transistor
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5961-00-484-7734 INTERCHANGEABLE
Transistor
5961-00-760-0746 INTERCHANGEABLE
Transistor
5961-01-121-6695 INTERCHANGEABLE
Transistor
5961-01-226-6063 INTERCHANGEABLE
Transistor
5961-01-235-2204 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
538128-8 Raytheon Company Dba Raytheon (USA)
JANTX2N3997 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/374 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-006-7175INTERCHANGEABLE
TRANSISTOR
5961-00-054-5284INTERCHANGEABLE
TRANSISTOR
5961-00-333-9413INTERCHANGEABLE
TRANSISTOR
5961-00-419-5360INTERCHANGEABLE
TRANSISTOR
5961-00-482-8491INTERCHANGEABLE
TRANSISTOR
361590-2
5961-00-484-7734INTERCHANGEABLE
TRANSISTOR
5961-00-760-0746INTERCHANGEABLE
TRANSISTOR
5961-01-121-6695INTERCHANGEABLE
TRANSISTOR
5961-01-226-6063INTERCHANGEABLE
TRANSISTOR
5961-01-235-2204INTERCHANGEABLE
TRANSISTOR
5961-01-359-3125INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-189-0640?

NSN 5961-00-189-0640 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 5961-00-189-0640?

NSN 5961-00-189-0640 has 4 cross-referenced part numbers: MIL-S-19500/374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 538128-8 (Raytheon Company Dba Raytheon), JANTX2N3997 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/374 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-189-0640?

There are 11 known substitutes for 5961-00-189-0640: 5961-00-006-7175, 5961-00-054-5284, 5961-00-333-9413 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/374?

Key specifications for MIL-S-19500/374: Thread Series Designator: UNF; Nominal Thread Size: 0.190 INCHES IN; Features Provided: HERMETICALLY SEALED CASE; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-189-0640 still in active supply?

NSN 5961-00-189-0640 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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