PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N5821Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-166-3159 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-166-3159 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-166-3159. Primary manufacturer part number: 1N5821.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.052 INCHES NOMINAL IN
  • Material: SILICON SEMICONDUCTOR
  • Voltage Rating in Volts Per Characteristic: 30.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 3.00 AMPERES NOMINAL AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Plastic Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-166-3159, 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 Freescale Semiconductor, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-166-3159
Primary Part Number1N5821
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.052 INCHES NOMINAL IN
MaterialSILICON SEMICONDUCTOR
Voltage Rating in Volts Per Characteristic30.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic3.00 AMPERES NOMINAL AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Terminal Length1.072 INCHES MAXIMUM IN
Overall Diameter0.210 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4810-00-168-8723 INTERCHANGEABLE
Seat,valve
4720-00-440-207220206 INTERCHANGEABLE
Hose,preformed
Gates Corporation
3110-00-554-5839 INTERCHANGEABLE
Bearing,ball,annular
1650-00-923-6317381M0183P001 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Raytheon Company Dba Raytheon Co
5950-00-967-209220206 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
6760-01-073-32282020-6 INTERCHANGEABLE
Adapter Unit,densi
Gamma Scientific Inc
5961-01-098-4482 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-142-39121N5821 INTERCHANGEABLE
Diode
Prawnto Shrimp Mch Co of Texas Dba Prawnto Systems
4820-01-174-1158 INTERCHANGEABLE
Valve,safety Relief
5961-01-211-93591N5821 INTERCHANGEABLE
Semiconductor Device,diode
Excelitas Technologies Corp
Cross-Reference Index
Part NumberManufacturer
1N5821 Freescale Semiconductor, Inc. (USA)
20206 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
4810-00-168-8723INTERCHANGEABLE
SEAT,VALVE
4720-00-440-2072INTERCHANGEABLE
HOSE,PREFORMED
20206
3110-00-554-5839INTERCHANGEABLE
BEARING,BALL,ANNULAR
1650-00-923-6317INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
381M0183P001
5950-00-967-2092INTERCHANGEABLE
TRANSFORMER,POWER
20206
6760-01-073-3228INTERCHANGEABLE
ADAPTER UNIT,DENSI
2020-6
5961-01-098-4482INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-142-3912INTERCHANGEABLE
DIODE
1N5821
4820-01-174-1158INTERCHANGEABLE
VALVE,SAFETY RELIEF
5961-01-211-9359INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N5821
6515-01-237-8469INTERCHANGEABLE
SCREW,BONE
202.06
5310-01-270-5463INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG

Frequently Asked Questions

What is NSN 5961-01-166-3159?

NSN 5961-01-166-3159 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-166-3159?

NSN 5961-01-166-3159 has 2 cross-referenced part numbers: 1N5821 (Freescale Semiconductor, Inc.), 20206 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5961-01-166-3159?

There are 12 known substitutes for 5961-01-166-3159: 4810-00-168-8723, 4720-00-440-2072, 3110-00-554-5839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N5821?

Key specifications for 1N5821: Material: PLASTIC ENCLOSURE; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Circle Diameter: 0.052 INCHES NOMINAL IN; Material: SILICON SEMICONDUCTOR. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com