PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N451Semiconductor Device,diode

Electronic Industries Association · NSN 5961-00-681-9604 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-681-9604 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-681-9604. Primary manufacturer part number: 1N451.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 175.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Overall Diameter: 0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Material: GLASS ENCLOSURE
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 5961-00-681-9604, 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 Electronic Industries Association. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-681-9604
Primary Part Number1N451
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic175.0 MAXIMUM REVERSE VOLTAGE, PEAK
Overall Diameter0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Terminal Length1.000 INCHES MINIMUM IN
MaterialGLASS ENCLOSURE
MaterialGERMANIUM SEMICONDUCTOR
Specification/standard Data80131-RELEASE1585 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5961-00-400-6244 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-626-0041 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-681-9600 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-681-9601 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-681-9602 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N451 Electronic Industries Association
RELEASE1585 Electronic Industries Association
Related Parts
5961-00-400-6244INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-626-0041INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-681-9600INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-681-9601INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-681-9602INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-681-9604?

NSN 5961-00-681-9604 is a Semiconductor Device,diode, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-681-9604?

NSN 5961-00-681-9604 has 2 cross-referenced part numbers: 1N451 (Electronic Industries Association), RELEASE1585 (Electronic Industries Association).

What NSN replaces 5961-00-681-9604?

There are 5 known substitutes for 5961-00-681-9604: 5961-00-400-6244, 5961-00-626-0041, 5961-00-681-9600 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N451?

Key specifications for 1N451: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC; Mounting Method: TERMINAL; Voltage Rating in Volts Per Characteristic: 175.0 MAXIMUM REVERSE VOLTAGE, PEAK. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-681-9604 still in active supply?

NSN 5961-00-681-9604 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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