PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

941-0403-0102Semiconductor Device,diode

Leonardo Spa Aeronautics Division - Torino Site · NSN 5961-00-140-0031 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-140-0031 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-140-0031. Primary manufacturer part number: 941-0403-0102.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINAL
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Overall Diameter: 0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
  • Terminal Length: 0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-140-0031, 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 Leonardo Spa Aeronautics Division - Torino Site. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 19 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
NSN5961-00-140-0031
Primary Part Number941-0403-0102
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLeonardo Spa Aeronautics Division - Torino Site
StatusCANCELLED
Specification/standard Data81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.115 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Current Rating Per Characteristic50.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
Terminal Length0.900 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Power Rating Per Characteristic20.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
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
5961-00-146-4486 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-324-3085 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-403-3298 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-408-8522 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-416-4858 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-421-3002 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-452-0548 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-469-2189 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-650-9659 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-016-73791N5551 INTERCHANGEABLE
Semiconductor Device,diode
Micross Corpus Christi, S.a. De C.v. Div Semtech Corpus Christi Corporation
Cross-Reference Index
Part NumberManufacturer
941-0403-0102 Leonardo Spa Aeronautics Division - Torino Site (ITA)
JAN1N5551A Adelco Elektronik Gmbh (DEU)
1N5551 Page Aerospace Limited (GBR)
1N5551 Electronic Industries Association
1N5551 Goodrich Lighting Systems Gmbh & Co Kg Div Utas (DEU)
4009286-201 Honeywell International Inc. Dba Honeywell International (USA)
941-0403-0102 Alenia Sistemi Difesa Spa (ITA)
F402 Nautel Maine Inc (USA)
JAN1N5551 Adelco Elektronik Gmbh (DEU)
10133042 Nimikkeistokeskus Ncb Finland (FIN)
353-9009-471 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-S-19500/420 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N5551 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
353-9009-470 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
5961PL0801788 Jednolity Indeks Materialowy - Uniform Material Index (POL)
CR5551F Scientific Radio Systems Inc (USA)
116929-001 Tdk-Lambda Americas Inc. Div High Power Division (USA)
S5A4 Semicon Components Inc (USA)
MIL-PRF-19500/420 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AG4586486 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
Related Parts
5961-00-146-4486INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-324-3085INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-403-3298INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-408-8522INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-416-4858INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-421-3002INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-452-0548INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-469-2189INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-650-9659INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-016-7379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5551
5961-01-023-3452INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-028-7057INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-140-0031?

NSN 5961-00-140-0031 is a Semiconductor Device,diode, manufactured by Leonardo Spa Aeronautics Division - Torino Site, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-140-0031?

NSN 5961-00-140-0031 has 23 cross-referenced part numbers: 941-0403-0102 (Leonardo Spa Aeronautics Division - Torino Site), JAN1N5551A (Adelco Elektronik Gmbh), 1N5551 (Page Aerospace Limited), 1N5551 (Electronic Industries Association), 1N5551 (Goodrich Lighting Systems Gmbh & Co Kg Div Utas) and 18 more.

What NSN replaces 5961-00-140-0031?

There are 12 known substitutes for 5961-00-140-0031: 5961-00-146-4486, 5961-00-324-3085, 5961-00-403-3298 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 941-0403-0102?

Key specifications for 941-0403-0102: Specification/standard Data: 81349-MIL-S-19500/420 GOVERNMENT SPECIFICATION; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Mounting Method: TERMINAL; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-140-0031 still in active supply?

NSN 5961-00-140-0031 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.
PartsTable Design LLC · partstable.com