PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-949389-1Semiconductor Device,diode

Semitronics Corp · NSN 5961-00-928-3824 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-928-3824 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-928-3824. Primary manufacturer part number: SM-A-949389-1.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Thread Series Designator: UNF
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG
  • Mounting Method: THREADED STUD(S)
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, DC AND 100.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 200.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
  • Function for Which Designed: RECTIFIER
  • Nominal Thread Size: 0.375 INCHES IN
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 5961-00-928-3824, 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 Semitronics Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-928-3824
Primary Part NumberSM-A-949389-1
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSemitronics Corp
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Thread Series DesignatorUNF
Terminal Type and Quantity1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG
Mounting MethodTHREADED STUD(S)
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, DC AND 100.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 200.0 MAXIMUM NONREPETITIVE PEAK REVERSE VOLTAGE
Function for Which DesignedRECTIFIER
Nominal Thread Size0.375 INCHES IN
Overall Diameter1.227 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
Mounting Facility Quantity1
Current Rating Per Characteristic150.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-087-9013 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-105-9683 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
SM-A-949389-1 PRIMARY Semitronics Corp (USA)
SM-A-949389-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
1N4587 Westinghouse Electric Corp Semiconductor Div (USA)
1N4587 Semiconductor Specialists Inc (USA)
Related Parts
5961-00-087-9013INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-105-9683INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-928-3824?

NSN 5961-00-928-3824 is a Semiconductor Device,diode, manufactured by Semitronics Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-928-3824?

NSN 5961-00-928-3824 has 4 cross-referenced part numbers: SM-A-949389-1 (Semitronics Corp), SM-A-949389-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 1N4587 (Westinghouse Electric Corp Semiconductor Div), 1N4587 (Semiconductor Specialists Inc).

What NSN replaces 5961-00-928-3824?

There are 2 known substitutes for 5961-00-928-3824: 5961-00-087-9013, 5961-01-105-9683. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-949389-1?

Key specifications for SM-A-949389-1: Material: SILICON SEMICONDUCTOR; Thread Series Designator: UNF; Terminal Type and Quantity: 1 THREADED STUD AND 1 UNINSULATED WIRE LEAD W/TERMINAL LUG; Overall Length: 2.320 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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