PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1401Semiconductor Device,diode

Westinghouse Electric Corp Semiconductor Div · NSN 5961-00-824-1486 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-824-1486 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-824-1486. Primary manufacturer part number: 1N1401.
Features
  • Semiconductor Device,diode — FSC 5961
  • Specification/standard Data: 81349-MIL-PRF-19500/246 GOVERNMENT SPECIFICATION
  • Thread Series Designator: UNF
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Voltage Rating in Volts Per Characteristic: 400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
  • Overall Width Across Flats: 1.031 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC
  • Current Rating Per Characteristic: 100.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
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 5961-00-824-1486, 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 Westinghouse Electric Corp Semiconductor Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 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
NSN5961-00-824-1486
Primary Part Number1N1401
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerWestinghouse Electric Corp Semiconductor Div
StatusCANCELLED
Specification/standard Data81349-MIL-PRF-19500/246 GOVERNMENT SPECIFICATION
Thread Series DesignatorUNF
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Voltage Rating in Volts Per Characteristic400.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS CASE DEGC
Current Rating Per Characteristic100.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Nominal Thread Size0.375 INCHES IN
Mounting MethodTHREADED STUD(S)
Features ProvidedBURN IN AND QUALITY ASSURANCE LEVEL TX
Mounting Facility Quantity1
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.).
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-088-2673 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-776-5125 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-782-1495 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-924-4308 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-950-6570 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-950-6573 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-950-6574 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-959-5046 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-968-9277 INTERCHANGEABLE
Semiconductor Device,diode
4140-01-042-0436 INTERCHANGEABLE
Fan Assembly
Cross-Reference Index
Part NumberManufacturer
1N1401 Westinghouse Electric Corp Semiconductor Div (USA)
JAN1N3291 General Electric Co Semi-Conductor Products Dept (USA)
2082661 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1N1401 Westinghouse Electric Corp (USA)
JAN1N3291 Mpd Components, Inc. (USA)
77C953324P19 Lockheed Martin Corporation Div Rms (USA)
1N3291 General Electric Co Semi-Conductor Products Dept (USA)
1N3291 Anker Holth Div Viceroy Fluid Power Inc (USA)
JAN1N3291 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/246 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX1N3291 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N3291 General Electric Co Semi-Conductor Products Dept Power Components Opn (USA)
L00841 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
R5000410XX Westinghouse Electric Corp Semiconductor Div (USA)
Related Parts
5961-00-088-2673INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-776-5125INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-782-1495INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-924-4308INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-950-6570INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-950-6573INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-950-6574INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-959-5046INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-968-9277INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4140-01-042-0436INTERCHANGEABLE
FAN ASSEMBLY
5961-01-047-6730INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-116-5609INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-824-1486?

NSN 5961-00-824-1486 is a Semiconductor Device,diode, manufactured by Westinghouse Electric Corp Semiconductor Div, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-824-1486?

NSN 5961-00-824-1486 has 14 cross-referenced part numbers: 1N1401 (Westinghouse Electric Corp Semiconductor Div), JAN1N3291 (General Electric Co Semi-Conductor Products Dept), 2082661 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1N1401 (Westinghouse Electric Corp), JAN1N3291 (Mpd Components, Inc.) and 9 more.

What NSN replaces 5961-00-824-1486?

There are 12 known substitutes for 5961-00-824-1486: 5961-00-088-2673, 5961-00-776-5125, 5961-00-782-1495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1401?

Key specifications for 1N1401: Specification/standard Data: 81349-MIL-PRF-19500/246 GOVERNMENT SPECIFICATION; Thread Series Designator: UNF; Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD; Overall Length: 1.675 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-824-1486 still in active supply?

NSN 5961-00-824-1486 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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