PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

406001ATransistor

Qes Ltd (quality Electronic Services) · NSN 5961-00-247-5921 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-247-5921 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-247-5921. Primary manufacturer part number: 406001A.
Features
  • Transistor — FSC 5961
  • Specification/standard Data: 81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
  • Internal Configuration: JUNCTION CONTACT
  • Test Data Document: 81349-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.).
  • Features Provided: HERMETICALLY SEALED CASE
  • Semiconductor Material: SILICON
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-247-5921, 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 Qes Ltd (quality Electronic Services). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-247-5921
Primary Part Number406001A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerQes Ltd (quality Electronic Services)
StatusCANCELLED
Specification/standard Data81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
Internal ConfigurationJUNCTION CONTACT
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.).
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Power Rating Per Characteristic2.9 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Criticality Code JustificationFEAT
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Terminal Length1.500 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
Current Rating Per Characteristic1.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-408-3809 INTERCHANGEABLE
Transistor
5961-00-421-9581 INTERCHANGEABLE
Transistor
5961-01-010-3255 INTERCHANGEABLE
Transistor
5961-01-102-6556 INTERCHANGEABLE
Transistor
5961-01-123-5398 INTERCHANGEABLE
Transistor
5961-01-235-3285 INTERCHANGEABLE
Transistor
7025-01-624-6698406001A INTERCHANGEABLE
Keyboard,data Entry
Thrane & Thrane Inc. Dba Foreign Parent Is Thrane & Thrane A/s, Kongens Lyngby, Denm
Cross-Reference Index
Part NumberManufacturer
406001A Qes Ltd (quality Electronic Services) (GBR)
2N3735 JAN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/395 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN2N3735 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
082055004 Dare Electronics, Inc. (USA)
MIL-PRF-19500/395 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
50A0024 Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions (USA)
JAN2N3735A Adelco Elektronik Gmbh (DEU)
Related Parts
5961-00-408-3809INTERCHANGEABLE
TRANSISTOR
5961-00-421-9581INTERCHANGEABLE
TRANSISTOR
5961-01-010-3255INTERCHANGEABLE
TRANSISTOR
5961-01-102-6556INTERCHANGEABLE
TRANSISTOR
5961-01-123-5398INTERCHANGEABLE
TRANSISTOR
5961-01-235-3285INTERCHANGEABLE
TRANSISTOR
7025-01-624-6698INTERCHANGEABLE
KEYBOARD,DATA ENTRY
406001A

Frequently Asked Questions

What is NSN 5961-00-247-5921?

NSN 5961-00-247-5921 is a Transistor, manufactured by Qes Ltd (quality Electronic Services), classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-247-5921?

NSN 5961-00-247-5921 has 8 cross-referenced part numbers: 406001A (Qes Ltd (quality Electronic Services)), 2N3735 JAN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/395 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN2N3735 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 082055004 (Dare Electronics, Inc.) and 3 more.

What NSN replaces 5961-00-247-5921?

There are 7 known substitutes for 5961-00-247-5921: 5961-00-408-3809, 5961-00-421-9581, 5961-01-010-3255 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 406001A?

Key specifications for 406001A: Specification/standard Data: 81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION; Internal Configuration: JUNCTION CONTACT; Test Data Document: 81349-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.).; Features Provided: HERMETICALLY SEALED CASE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-247-5921 still in active supply?

NSN 5961-00-247-5921 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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