PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531556-1Transistor

Raytheon Company Dba Raytheon · NSN 5961-00-103-7470 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-103-7470 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-103-7470. Primary manufacturer part number: 531556-1.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.359 INCHES NOMINAL0.359 INCHES NOMINAL IN
  • Semiconductor Material: SILICONSILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
  • Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Configuration: JUNCTION CONTACTJUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-103-7470, 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. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-103-7470
Primary Part Number531556-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Overall Diameter0.359 INCHES NOMINAL0.359 INCHES NOMINAL IN
Semiconductor MaterialSILICONSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
Electrode Internally-Electrically Connected to CaseCOLLECTORCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Current Rating Per Characteristic1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Mounting MethodTERMINALTERMINAL
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION200.0 CELSIUS JUNCTION DEGC
Terminal Circle Diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
Terminal Length1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 120.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN AND 3.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN3.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-247-4748905498-1 INTERCHANGEABLE
Transistor
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
5961-00-247-4833 INTERCHANGEABLE
Transistor
5961-00-411-7585531666-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
531556-1 PRIMARY Raytheon Company Dba Raytheon (USA)
2N4001 Texas Instruments Incorporated (USA)
2N4001 Raytheon Company Dba Raytheon (USA)
2N4001 Semitronics Corp (USA)
1261915-174 Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div (USA)
1261915-174 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
SP4766 Texas Instruments Incorporated (USA)
ST-1081 Semiconductor Technology, Inc. Dba Semiconductor Technology Inc (USA)
Related Parts
5961-00-247-4748INTERCHANGEABLE
TRANSISTOR
905498-1
5961-00-247-4833INTERCHANGEABLE
TRANSISTOR
5961-00-411-7585INTERCHANGEABLE
TRANSISTOR
531666-1

Frequently Asked Questions

What is NSN 5961-00-103-7470?

NSN 5961-00-103-7470 is a Transistor, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-103-7470?

NSN 5961-00-103-7470 has 8 cross-referenced part numbers: 531556-1 (Raytheon Company Dba Raytheon), 2N4001 (Texas Instruments Incorporated), 2N4001 (Raytheon Company Dba Raytheon), 2N4001 (Semitronics Corp), 1261915-174 (Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div) and 3 more.

What NSN replaces 5961-00-103-7470?

There are 3 known substitutes for 5961-00-103-7470: 5961-00-247-4748, 5961-00-247-4833, 5961-00-411-7585. Verify interchangeability with system specifications before substitution.

What are the specifications of 531556-1?

Key specifications for 531556-1: Overall Diameter: 0.359 INCHES NOMINAL0.359 INCHES NOMINAL IN; Semiconductor Material: SILICONSILICON; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD; Electrode Internally-Electrically Connected to Case: COLLECTORCOLLECTOR. 14 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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