PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L221979-2Semiconductor Device,diode

Raytheon Company Dba Raytheon Co · NSN 5961-00-518-3216 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-518-3216 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-518-3216. Primary manufacturer part number: L221979-2.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Voltage Rating in Volts Per Characteristic: 18.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Features Provided: HERMETICALLY SEALED CASE
  • Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Overall Diameter: 0.200 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 0.01 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
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 5961-00-518-3216, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-518-3216
Primary Part NumberL221979-2
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Length1.000 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic18.0 MAXIMUM REVERSE VOLTAGE, PEAK
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic150.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Overall Diameter0.200 INCHES MAXIMUM IN
Current Rating Per Characteristic0.01 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
MaterialSILICON SEMICONDUCTOR
Specification/standard Data80131-RELEASE2026 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5961-00-484-4612 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-581-8784 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-617-8864 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-881-6529 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-914-4728 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-974-5591 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
L221979-2 Raytheon Company Dba Raytheon Co (USA)
RELEASE2026 Electronic Industries Association
1N138B Electronic Industries Association
1N138B Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1N138B Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
5961-00-484-4612INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-581-8784INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-617-8864INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-881-6529INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-914-4728INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-974-5591INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-518-3216?

NSN 5961-00-518-3216 is a Semiconductor Device,diode, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-518-3216?

NSN 5961-00-518-3216 has 5 cross-referenced part numbers: L221979-2 (Raytheon Company Dba Raytheon Co), RELEASE2026 (Electronic Industries Association), 1N138B (Electronic Industries Association), 1N138B (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 1N138B (Entron Industries Limited Partnership Dba Entron Industries Property Div).

What NSN replaces 5961-00-518-3216?

There are 6 known substitutes for 5961-00-518-3216: 5961-00-484-4612, 5961-00-581-8784, 5961-00-617-8864 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L221979-2?

Key specifications for L221979-2: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Length: 1.000 INCHES MINIMUM IN; Voltage Rating in Volts Per Characteristic: 18.0 MAXIMUM REVERSE VOLTAGE, PEAK; Features Provided: HERMETICALLY SEALED CASE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-518-3216 still in active supply?

NSN 5961-00-518-3216 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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