PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21902Semiconductor Device,diode

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-169-4694 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-169-4694 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-169-4694. Primary manufacturer part number: 21902.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-204AA
  • Function for Which Designed: CURRENT REGULATOR
  • Terminal Length: 1.250 INCHES NOMINAL IN
  • Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 21902
  • Mounting Method: TERMINAL
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 5961-01-169-4694, 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 14 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-169-4694
Primary Part Number21902
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-204AA
Function for Which DesignedCURRENT REGULATOR
Terminal Length1.250 INCHES NOMINAL IN
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 21902
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic2.20 MILLIAMPERES NOMINAL PEAK POINT CURRENT
MaterialGLASS ENCLOSURE
Voltage Rating in Volts Per Characteristic100.0 NOMINAL ON VOLTAGE, FORWARD VOLTAGE DROP, DC
Overall Diameter0.096 INCHES NOMINAL IN
Power Rating Per Characteristic600.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-240-3098 INTERCHANGEABLE
Semiconductor Device,diode
2990-01-010-610621860 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5330-01-049-237121902 INTERCHANGEABLE
Ring,wiper
Eaton Aerospace Llc
4820-01-218-6795 INTERCHANGEABLE
Cap,valve
5340-01-283-566221902 INTERCHANGEABLE
Handle,manual Control
Jergens Inc Div Tooling Components Division
3460-01-363-8158DW1803 INTERCHANGEABLE
Arbor,hole Saw
Black and Decker Us Inc
5920-01-379-9644CF4U INTERCHANGEABLE
Fuseholder,block
Altech Corporation
Cross-Reference Index
Part NumberManufacturer
21902 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
1N5306 Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-240-3098INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
2990-01-010-6106INTERCHANGEABLE
MUFFLER,EXHAUST
21860
5330-01-049-2371INTERCHANGEABLE
RING,WIPER
21902
4820-01-218-6795INTERCHANGEABLE
CAP,VALVE
5340-01-283-5662INTERCHANGEABLE
HANDLE,MANUAL CONTROL
21902
3460-01-363-8158INTERCHANGEABLE
ARBOR,HOLE SAW
DW1803
5920-01-379-9644INTERCHANGEABLE
FUSEHOLDER,BLOCK
CF4U

Frequently Asked Questions

What is NSN 5961-01-169-4694?

NSN 5961-01-169-4694 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 5961-01-169-4694?

NSN 5961-01-169-4694 has 2 cross-referenced part numbers: 21902 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 1N5306 (Freescale Semiconductor, Inc.).

What NSN replaces 5961-01-169-4694?

There are 7 known substitutes for 5961-01-169-4694: 5961-00-240-3098, 2990-01-010-6106, 5330-01-049-2371 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21902?

Key specifications for 21902: Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Joint Electronic Device Engineering Council/jedec/case Outline Designation: DO-204AA; Function for Which Designed: CURRENT REGULATOR. 15 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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