PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/431Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-539-3103 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-539-3103 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-539-3103. Primary manufacturer part number: MIL-PRF-19500/431.
Features
  • Transistor — FSC 5961
  • Internal Configuration: FIELD EFFECT
  • Power Rating Per Characteristic: 360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT
  • Mounting Method: TERMINAL
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Specification/standard Data: 81349-MIL-S-19500/431 GOVERNMENT SPECIFICATION
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-539-3103, 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 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-539-3103
Primary Part NumberMIL-PRF-19500/431
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
Internal ConfigurationFIELD EFFECT
Power Rating Per Characteristic360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM GATE CURRENT
Mounting MethodTERMINAL
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Specification/standard Data81349-MIL-S-19500/431 GOVERNMENT SPECIFICATION
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Electrode Internally-Electrically Connected to CaseGATE
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM DRAIN TO GATE VOLTAGE AND -40.0 MAXIMUM GATE TO SOURCE VOLTAGE
Terminal Length0.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-227-5076 INTERCHANGEABLE
Transistor
5961-00-356-4184SM-B-525293 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-410-383511153573-1 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-450-1164 INTERCHANGEABLE
Transistor
5961-00-996-2121 INTERCHANGEABLE
Transistor
5961-01-017-6024 INTERCHANGEABLE
Transistor
5961-01-029-9152 INTERCHANGEABLE
Transistor
5961-01-029-9155 INTERCHANGEABLE
Transistor
5961-01-029-9156 INTERCHANGEABLE
Transistor
5961-01-044-5840 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/431 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
932133-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
2N4092 Siliconix Incorporated Div Siliconix (USA)
JAN2N4092 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N4092 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILS19500-431 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N4092 National Semiconductor Corporation (USA)
2N4092 Crystalonics, Inc. (USA)
944468-920 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5961-00-227-5076INTERCHANGEABLE
TRANSISTOR
5961-00-356-4184INTERCHANGEABLE
TRANSISTOR
SM-B-525293
5961-00-410-3835INTERCHANGEABLE
TRANSISTOR
11153573-1
5961-00-450-1164INTERCHANGEABLE
TRANSISTOR
5961-00-996-2121INTERCHANGEABLE
TRANSISTOR
5961-01-017-6024INTERCHANGEABLE
TRANSISTOR
5961-01-029-9152INTERCHANGEABLE
TRANSISTOR
5961-01-029-9155INTERCHANGEABLE
TRANSISTOR
5961-01-029-9156INTERCHANGEABLE
TRANSISTOR
5961-01-044-5840INTERCHANGEABLE
TRANSISTOR
5961-01-066-6356INTERCHANGEABLE
TRANSISTOR
5961-01-197-9477INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-539-3103?

NSN 5961-00-539-3103 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 5961-00-539-3103?

NSN 5961-00-539-3103 has 9 cross-referenced part numbers: MIL-PRF-19500/431 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 932133-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 2N4092 (Siliconix Incorporated Div Siliconix), JAN2N4092 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N4092 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5961-00-539-3103?

There are 12 known substitutes for 5961-00-539-3103: 5961-00-227-5076, 5961-00-356-4184, 5961-00-410-3835 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/431?

Key specifications for MIL-PRF-19500/431: Internal Configuration: FIELD EFFECT; Power Rating Per Characteristic: 360.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM GATE CURRENT; Mounting Method: TERMINAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-539-3103 still in active supply?

NSN 5961-00-539-3103 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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