PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20208Semiconductor Device,diode

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-173-1829 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-173-1829 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-173-1829. Primary manufacturer part number: 20208.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Terminal Length: 1.100 INCHES MINIMUM IN
  • Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 20208
  • Overall Diameter: 0.120 INCHES MAXIMUM IN
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS JUNCTION DEGC
  • Voltage Rating in Volts Per Characteristic: 280.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
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 5961-01-173-1829, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 11 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
NSN5961-01-173-1829
Primary Part Number20208
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Terminal Length1.100 INCHES MINIMUM IN
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 20208
Overall Diameter0.120 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic280.0 MAXIMUM REVERSE VOLTAGE, TOTAL RMS
Current Rating Per Characteristic30.00 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT
MaterialSILICON SEMICONDUCTOR
Mounting MethodTERMINAL
Terminal Circle Diameter0.034 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-146-3870 INTERCHANGEABLE
Semiconductor Device,diode
5133-00-228-1407 INTERCHANGEABLE
Drill,twist
5910-00-240-7774SM-B-171583 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5360-00-300-7632 INTERCHANGEABLE
Spring,helical,compression
3110-00-554-564800013C INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Dba Yale Materials Handling
4820-00-639-9082DSC38-3 INTERCHANGEABLE
Disk,valve
Johnson Controls Inc Control Products Div
5961-00-914-6005 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-024-792120947 INTERCHANGEABLE
Semiconductor Device,diode
Noske-Kaeser Germany Gmbh
5330-01-144-096120208 INTERCHANGEABLE
Retainer,packing
Flowserve Inc
5961-01-156-1482 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
20208 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
1N4004 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-146-3870INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5133-00-228-1407INTERCHANGEABLE
DRILL,TWIST
5910-00-240-7774INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
SM-B-171583
5360-00-300-7632INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3110-00-554-5648INTERCHANGEABLE
BEARING,BALL,ANNULAR
00013C
4820-00-639-9082INTERCHANGEABLE
DISK,VALVE
DSC38-3
5961-00-914-6005INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-024-7921INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
20947
5330-01-144-0961INTERCHANGEABLE
RETAINER,PACKING
20208
5961-01-156-1482INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-237-7200INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
701-001-000
5961-01-243-3815INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4004G

Frequently Asked Questions

What is NSN 5961-01-173-1829?

NSN 5961-01-173-1829 is a Semiconductor Device,diode, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-173-1829?

NSN 5961-01-173-1829 has 2 cross-referenced part numbers: 20208 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 1N4004 (Freescale Semiconductor, Inc.).

What NSN replaces 5961-01-173-1829?

There are 12 known substitutes for 5961-01-173-1829: 5961-00-146-3870, 5133-00-228-1407, 5910-00-240-7774 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20208?

Key specifications for 20208: Material: PLASTIC ENCLOSURE; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Terminal Length: 1.100 INCHES MINIMUM IN; Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 20208. 12 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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