PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SDS201Transistor

Fairchild Semiconductor Corp · NSN 5961-00-421-0290 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-421-0290 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-421-0290. Primary manufacturer part number: SDS201.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Semiconductor Material: SILICON
  • 7 verified cross-references
  • Primary manufacturer: Fairchild Semiconductor Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-421-0290, 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 Fairchild Semiconductor Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-421-0290
Primary Part NumberSDS201
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusCANCELLED
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5998-00-025-9922 INTERCHANGEABLE
Circuit Card Assembly
2530-00-425-2807 INTERCHANGEABLE
Brake Shoe
2825-00-858-0085100-092 INTERCHANGEABLE
Collar,thrust
Waukesha Bearings Corporation
5330-01-036-8541100092 INTERCHANGEABLE
Gasket
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
5310-01-291-8973100092 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cnh Industrial America Llc Dba Cnh America
4810-01-439-602010009-2 INTERCHANGEABLE
Valve,butterfly
Morpac Industries, Inc Div Actuator
5331-01-488-4837100092 INTERCHANGEABLE
O-Ring
Indeco North America Inc
3020-01-520-7891 INTERCHANGEABLE
Gear,helical
5340-01-530-2703100092 INTERCHANGEABLE
Installation Sling Assy
Tim Price Inc. Dba Tim Price Inc
4820-01-612-9088100092 INTERCHANGEABLE
Valve,ball
Discover Industries Inc. Dba Discover Valve
Cross-Reference Index
Part NumberManufacturer
SDS201 Fairchild Semiconductor Corp (USA)
103242 Xerox Corp Xerox Documentation and Software Services (USA)
SDS201 Xerox Corp Xerox Documentation and Software Services (USA)
103242 Tymshare Inc Computer Support Services Div of Mcdonnell Douglas Corp (USA)
SDS216 Xerox Corp Xerox Documentation and Software Services (USA)
100092 Xerox Corp Xerox Documentation and Software Services (USA)
103242 Xerox Capital Services, Llc Div Xerox Corporation (USA)
Related Parts
5998-00-025-9922INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2530-00-425-2807INTERCHANGEABLE
BRAKE SHOE
2825-00-858-0085INTERCHANGEABLE
COLLAR,THRUST
100-092
5330-01-036-8541INTERCHANGEABLE
GASKET
100092
5310-01-291-8973INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
100092
4810-01-439-6020INTERCHANGEABLE
VALVE,BUTTERFLY
10009-2
5331-01-488-4837INTERCHANGEABLE
O-RING
100092
3020-01-520-7891INTERCHANGEABLE
GEAR,HELICAL
5340-01-530-2703INTERCHANGEABLE
INSTALLATION SLING ASSY
100092
4820-01-612-9088INTERCHANGEABLE
VALVE,BALL
100092

Frequently Asked Questions

What is NSN 5961-00-421-0290?

NSN 5961-00-421-0290 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-421-0290?

NSN 5961-00-421-0290 has 7 cross-referenced part numbers: SDS201 (Fairchild Semiconductor Corp), 103242 (Xerox Corp Xerox Documentation and Software Services), SDS201 (Xerox Corp Xerox Documentation and Software Services), 103242 (Tymshare Inc Computer Support Services Div of Mcdonnell Douglas Corp), SDS216 (Xerox Corp Xerox Documentation and Software Services) and 2 more.

What NSN replaces 5961-00-421-0290?

There are 10 known substitutes for 5961-00-421-0290: 5998-00-025-9922, 2530-00-425-2807, 2825-00-858-0085 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SDS201?

Key specifications for SDS201: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: JUNCTION CONTACT; Semiconductor Material: SILICON. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-421-0290 still in active supply?

NSN 5961-00-421-0290 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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