PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ES4904-02Transistor

Drs Sustainment Systems Inc · NSN 5961-00-942-4004 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-942-4004 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-942-4004. Primary manufacturer part number: ES4904-02.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Overall Diameter: 0.359 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-942-4004, 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 Drs Sustainment Systems Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 24 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
NSN5961-00-942-4004
Primary Part NumberES4904-02
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDrs Sustainment Systems Inc
StatusCANCELLED
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length1.500 INCHES MINIMUM IN
Mounting MethodTERMINAL
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Overall Diameter0.359 INCHES NOMINAL IN
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Specification/standard Data80131-RELEASE4825 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Voltage Rating in Volts Per Characteristic300.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 250.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Internal Junction ConfigurationNPN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-044-4808 INTERCHANGEABLE
Transistor
5961-00-272-8374 INTERCHANGEABLE
Transistor
6220-00-457-66937-200A-12 INTERCHANGEABLE
Light,warning
Balkamp Inc
5961-00-460-88212N3440 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div Communication Systems-East
5961-00-479-7613GIRDER 232057613 INTERCHANGEABLE
Transistor
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5961-00-726-7836 INTERCHANGEABLE
Transistor
5340-01-109-3346505097 INTERCHANGEABLE
Strap,webbing
Msa Inc Dba Mine Safety Fall Protection
5961-01-365-3737 INTERCHANGEABLE
Transistor
6515-01-505-4320720004 INTERCHANGEABLE
Handpiece,surgical,small Bone
Medtronic Inc. Powered Surgical Solutions Dba Medtronic Powered Surgical Solutions Div Medtronic Inc. Powered Surgical
6110-01-546-468372000-4 INTERCHANGEABLE
Controller,motor
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
ES4904-02 Drs Sustainment Systems Inc (USA)
A88-0050-73 Intersil Corporation (GBR)
9324-013129 Gossen Metrawatt Gmbh Div Gmc-I Gossen-Metrawatt Gmbh (DEU)
5J904H Freescale Semiconductor, Inc. (USA)
2N3440 Electronic Industries Association
2N3440 Motorola Inc. Dba Integrated Information Systems Group (USA)
6L.5512.247.00-007668 Leonardo Germany Gmbh (DEU)
417-9-98480-003 British Aerospace Land & Sea Systems, Post Design Services (GBR)
002 4123 113226 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh (DEU)
GQF29340 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
AK0105586 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
6L5512-247-007668 Leonardo Germany Gmbh (DEU)
41175-165-00-4 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
2N3440 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
ES4904-02 Drs Sustainment Systems, Inc. (USA)
41175-165-00-4 Bae Systems Maritime Services Limited (GBR)
EIARELEASE4825 Electronic Industries Association
9330-743-30806 Thales Las France SAS (FRA)
2N3440 Texas Instruments Incorporated (USA)
531-231-043 Elettronica Gmbh (DEU)
Related Parts
5961-00-044-4808INTERCHANGEABLE
TRANSISTOR
5961-00-272-8374INTERCHANGEABLE
TRANSISTOR
6220-00-457-6693INTERCHANGEABLE
LIGHT,WARNING
7-200A-12
5961-00-460-8821INTERCHANGEABLE
TRANSISTOR
2N3440
5961-00-479-7613INTERCHANGEABLE
TRANSISTOR
GIRDER 232057613
5961-00-726-7836INTERCHANGEABLE
TRANSISTOR
5340-01-109-3346INTERCHANGEABLE
STRAP,WEBBING
505097
5961-01-365-3737INTERCHANGEABLE
TRANSISTOR
6515-01-505-4320INTERCHANGEABLE
HANDPIECE,SURGICAL,SMALL BONE
720004
6110-01-546-4683INTERCHANGEABLE
CONTROLLER,MOTOR
72000-4
4220-01-693-7946INTERCHANGEABLE
PARTS KIT,DIVING HELMET
505-097
4240-01-725-3666INTERCHANGEABLE
MASK,CHEMICAL-BIOLOGICAL
72000/4

Frequently Asked Questions

What is NSN 5961-00-942-4004?

NSN 5961-00-942-4004 is a Transistor, manufactured by Drs Sustainment Systems Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-942-4004?

NSN 5961-00-942-4004 has 31 cross-referenced part numbers: ES4904-02 (Drs Sustainment Systems Inc), A88-0050-73 (Intersil Corporation), 9324-013129 (Gossen Metrawatt Gmbh Div Gmc-I Gossen-Metrawatt Gmbh), 5J904H (Freescale Semiconductor, Inc.), 2N3440 (Electronic Industries Association) and 26 more.

What NSN replaces 5961-00-942-4004?

There are 12 known substitutes for 5961-00-942-4004: 5961-00-044-4808, 5961-00-272-8374, 6220-00-457-6693 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ES4904-02?

Key specifications for ES4904-02: Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Terminal Length: 1.500 INCHES MINIMUM IN; Mounting Method: TERMINAL; Semiconductor Material: SILICON. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-942-4004 still in active supply?

NSN 5961-00-942-4004 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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