PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

858840Transistor

Raytheon Technical Services Company · NSN 5961-00-941-2056 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-941-2056 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-941-2056. Primary manufacturer part number: 858840.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Terminal Length: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-39
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-941-2056, 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 Technical Services Company. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-941-2056
Primary Part Number858840
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Technical Services Company
StatusCANCELLED
Voltage Rating in Volts Per Characteristic60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Terminal Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-39
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Power Rating Per Characteristic3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting MethodTERMINAL
Specification/standard Data81349-MIL-S-19500/290 GOVERNMENT SPECIFICATION
Semiconductor MaterialSILICON
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Current Rating Per Characteristic600.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-022-5665 INTERCHANGEABLE
Transistor
5961-00-237-1128 INTERCHANGEABLE
Transistor
5360-00-265-5885 INTERCHANGEABLE
Spring,helical,compression
5961-00-411-7576 INTERCHANGEABLE
Transistor
5961-00-411-7577 INTERCHANGEABLE
Transistor
1560-00-768-627023-2558 INTERCHANGEABLE
Vane,air Outlet
The Boeing Company Div Defense
5961-00-880-4779 INTERCHANGEABLE
Transistor
5961-00-949-1440 INTERCHANGEABLE
Transistor
5961-01-022-6848 INTERCHANGEABLE
Transistor
5961-01-022-6853 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
858840 Raytheon Technical Services Company (USA)
JAN2N2904A Adelco Elektronik Gmbh (DEU)
JAN2N2904AA Adelco Elektronik Gmbh (DEU)
MIL-PRF-19500/290 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
352-7500-740 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
4192800-228 Raytheon Company Div Rmd Strategic (USA)
1853-0012 Hewlett-Packard Company Dba HP (USA)
JAN2N2904 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
232558 Rca Corp Distributor and Special Products Div
JAN2N2904A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
800089-001 Data Products Corp (USA)
MIL-S-19500/290 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7350-0036-009 Antenna Products Corporation Dba Antenna Products Corp (USA)
5961009412056 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
11-592-150-00 Facit Ab Eack (SWE)
1400114-72 Raytheon Technical Services Company (USA)
929A433-3 Sundstrand Corp Electric Power Systems Div (USA)
5961PL0802882 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5961-00-022-5665INTERCHANGEABLE
TRANSISTOR
5961-00-237-1128INTERCHANGEABLE
TRANSISTOR
5360-00-265-5885INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5961-00-411-7576INTERCHANGEABLE
TRANSISTOR
5961-00-411-7577INTERCHANGEABLE
TRANSISTOR
1560-00-768-6270INTERCHANGEABLE
VANE,AIR OUTLET
23-2558
5961-00-880-4779INTERCHANGEABLE
TRANSISTOR
5961-00-949-1440INTERCHANGEABLE
TRANSISTOR
5961-01-022-6848INTERCHANGEABLE
TRANSISTOR
5961-01-022-6853INTERCHANGEABLE
TRANSISTOR
5961-01-181-4824INTERCHANGEABLE
TRANSISTOR
5961-01-187-8836INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-941-2056?

NSN 5961-00-941-2056 is a Transistor, manufactured by Raytheon Technical Services Company, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-941-2056?

NSN 5961-00-941-2056 has 18 cross-referenced part numbers: 858840 (Raytheon Technical Services Company), JAN2N2904A (Adelco Elektronik Gmbh), JAN2N2904AA (Adelco Elektronik Gmbh), MIL-PRF-19500/290 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 352-7500-740 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 13 more.

What NSN replaces 5961-00-941-2056?

There are 12 known substitutes for 5961-00-941-2056: 5961-00-022-5665, 5961-00-237-1128, 5360-00-265-5885 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 858840?

Key specifications for 858840: Voltage Rating in Volts Per Characteristic: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Terminal Length: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-39. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-941-2056 still in active supply?

NSN 5961-00-941-2056 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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