PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531666-1Transistor

Raytheon Company Dba Raytheon · NSN 5961-00-411-7585 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-411-7585 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-411-7585. Primary manufacturer part number: 531666-1.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.335 INCHES MAXIMUM IN
  • Power Rating Per Characteristic: 15.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Internal Configuration: JUNCTION CONTACT
  • Electrode Internally-Electrically Connected to Case: BASE
  • Voltage Rating in Volts Per Characteristic: 120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-411-7585, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-411-7585
Primary Part Number531666-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Overall Diameter0.335 INCHES MAXIMUM IN
Power Rating Per Characteristic15.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Internal ConfigurationJUNCTION CONTACT
Electrode Internally-Electrically Connected to CaseBASE
Voltage Rating in Volts Per Characteristic120.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.500 INCHES MINIMUM IN
Current Rating Per Characteristic1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-103-7470531556-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5360-00-209-83935316661 INTERCHANGEABLE
Spring,helical,compression
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5961-00-247-4748905498-1 INTERCHANGEABLE
Transistor
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
5961-00-247-4833 INTERCHANGEABLE
Transistor
5315-00-687-996353166-61 INTERCHANGEABLE
Pin,straight,headless
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
2N4001 Freescale Semiconductor, Inc. (USA)
2N4001 Texas Instruments Incorporated (USA)
531666-1 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5961-00-103-7470INTERCHANGEABLE
TRANSISTOR
531556-1
5360-00-209-8393INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5316661
5961-00-247-4748INTERCHANGEABLE
TRANSISTOR
905498-1
5961-00-247-4833INTERCHANGEABLE
TRANSISTOR
5315-00-687-9963INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
53166-61

Frequently Asked Questions

What is NSN 5961-00-411-7585?

NSN 5961-00-411-7585 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 5961-00-411-7585?

NSN 5961-00-411-7585 has 3 cross-referenced part numbers: 2N4001 (Freescale Semiconductor, Inc.), 2N4001 (Texas Instruments Incorporated), 531666-1 (Raytheon Company Dba Raytheon).

What NSN replaces 5961-00-411-7585?

There are 5 known substitutes for 5961-00-411-7585: 5961-00-103-7470, 5360-00-209-8393, 5961-00-247-4748 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 531666-1?

Key specifications for 531666-1: Overall Diameter: 0.335 INCHES MAXIMUM IN; Power Rating Per Characteristic: 15.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Internal Configuration: JUNCTION CONTACT. 15 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