PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1820957-2Semiconductor Device,diode

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5961-00-402-7371 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-402-7371 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-402-7371. Primary manufacturer part number: 1820957-2.
Features
  • Semiconductor Device,diode — FSC 5961
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: D0-7
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Mounting Method: TERMINAL
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
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 5961-00-402-7371, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-402-7371
Primary Part Number1820957-2
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Joint Electronic Device Engineering Council/jedec/case Outline DesignationD0-7
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Terminal Length1.000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Voltage Rating in Volts Per Characteristic12.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Overall Diameter0.092 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MaterialSILICON SEMICONDUCTOR
Test Data Document10001-1820957 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-246-63221N963B INTERCHANGEABLE
Semiconductor Device,diode
Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
5961-00-370-1649 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-892-1009 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-998-3666 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N963B Trw Electronics and Defense Sector Rf Devices (USA)
1820957-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1820957-2 Microsemi Corp.-Scottsdale Dba Microsemi (USA)
Related Parts
5961-00-246-6322INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N963B
5961-00-370-1649INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-892-1009INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-998-3666INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-402-7371?

NSN 5961-00-402-7371 is a Semiconductor Device,diode, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-402-7371?

NSN 5961-00-402-7371 has 3 cross-referenced part numbers: 1N963B (Trw Electronics and Defense Sector Rf Devices), 1820957-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1820957-2 (Microsemi Corp.-Scottsdale Dba Microsemi).

What NSN replaces 5961-00-402-7371?

There are 4 known substitutes for 5961-00-402-7371: 5961-00-246-6322, 5961-00-370-1649, 5961-00-892-1009 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1820957-2?

Key specifications for 1820957-2: Joint Electronic Device Engineering Council/jedec/case Outline Designation: D0-7; Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Mounting Method: TERMINAL. 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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