PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/478Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-129-9444 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-129-9444 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-129-9444. Primary manufacturer part number: MIL-PRF-19500/478.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Specification/standard Data: 81349-MIL-PRF-19500/478 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-MIL-PRF-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.).
  • Thread Series Designator: UNF
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG
  • Mounting Method: THREADED STUD(S)
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-129-9444, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5961-01-129-9444
Primary Part NumberMIL-PRF-19500/478
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialSILICON SEMICONDUCTOR
Specification/standard Data81349-MIL-PRF-19500/478 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-PRF-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.).
Thread Series DesignatorUNF
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S)
Voltage Rating in Volts Per Characteristic150.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE AND 150.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
Overall Width Across Flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-4
Mounting Facility Quantity1
Current Rating Per Characteristic20.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 400.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Electrode Internally-Electrically Connected to CaseANODE
Nominal Thread Size0.190 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1430-00-923-133110133293 INTERCHANGEABLE
Generatorxblankin
Us Army Aviation and Missile Command
5961-01-040-6423 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-044-5845 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-069-9542 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-077-2739 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-085-0517 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-102-6561 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-117-4116 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-124-2497 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-180-1369 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/478 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTXV1N5816R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
932460-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
UTG5135 Micro Uspd Inc (USA)
10133293 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
1430-00-923-1331INTERCHANGEABLE
GENERATORXBLANKIN
10133293
5961-01-040-6423INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-044-5845INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-069-9542INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-077-2739INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-085-0517INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-102-6561INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-117-4116INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-124-2497INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-180-1369INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-186-9696INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-294-6703INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-129-9444?

NSN 5961-01-129-9444 is a Semiconductor Device,diode, 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 5961-01-129-9444?

NSN 5961-01-129-9444 has 5 cross-referenced part numbers: MIL-PRF-19500/478 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTXV1N5816R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 932460-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), UTG5135 (Micro Uspd Inc), 10133293 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5961-01-129-9444?

There are 12 known substitutes for 5961-01-129-9444: 1430-00-923-1331, 5961-01-040-6423, 5961-01-044-5845 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/478?

Key specifications for MIL-PRF-19500/478: Material: SILICON SEMICONDUCTOR; Specification/standard Data: 81349-MIL-PRF-19500/478 GOVERNMENT SPECIFICATION; Test Data Document: 81349-MIL-PRF-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.).; Thread Series Designator: UNF. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-129-9444 still in active supply?

NSN 5961-01-129-9444 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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