PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-1003Transistor

Eldorado Instruments Co Sub of E-H International Inc · NSN 5961-00-990-3079 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-990-3079 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-990-3079. Primary manufacturer part number: 4-1003.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Mounting Method: TERMINAL
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Overall Diameter: 0.220 INCHES NOMINAL IN
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-990-3079, 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 Eldorado Instruments Co Sub of E-H International Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5961-00-990-3079
Primary Part Number4-1003
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerEldorado Instruments Co Sub of E-H International Inc
StatusCANCELLED
Internal ConfigurationJUNCTION CONTACT
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Mounting MethodTERMINAL
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Power Rating Per Characteristic150.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Overall Diameter0.220 INCHES NOMINAL IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialGERMANIUM
Terminal Length0.500 INCHES MINIMUM IN
Voltage Rating in Volts Per Characteristic18.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 7.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 2.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Specification/standard Data80131-RELEASE3379 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2915-00-057-55864100-3 INTERCHANGEABLE
Filter,fluid
Michigan Dynamics Inc
5845-00-406-188264659-1 INTERCHANGEABLE
Fastener,pivot Acti
L3harris Technologies, Inc.
3455-00-618-6007 INTERCHANGEABLE
Cutter,milling,end
5961-00-778-39582N1050B INTERCHANGEABLE
Transistor
Semitronics Corp
2910-00-787-642833627 INTERCHANGEABLE
Screw Cam Ring Advance
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6625-00-840-447616975-13 INTERCHANGEABLE
Probe,test
Hickok Waekon Llc
5961-00-919-5885 INTERCHANGEABLE
Transistor
6210-01-077-291378961 INTERCHANGEABLE
Light,marker,airport Runway
U S Dept of Transportation Federal Aviation Administration
5930-01-143-49953370036-006 INTERCHANGEABLE
Switch,thermostatic
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
6660-01-519-888941003 INTERCHANGEABLE
Shield,radiation
R. M. Young Company Llc
Cross-Reference Index
Part NumberManufacturer
4-1003 Eldorado Instruments Co Sub of E-H International Inc (USA)
RELEASE3379 Electronic Industries Association
2N711B Electronic Industries Association
2N711B Raytheon Systems Ltd (weapons Support Group) (GBR)
2N711B Texas Instruments Incorporated (USA)
2N711B Freescale Semiconductor, Inc. (USA)
2N711B Semitronics Corp (USA)
5961PL1387406 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2N711B Raytheon Systems Ltd (GBR)
Related Parts
2915-00-057-5586INTERCHANGEABLE
FILTER,FLUID
4100-3
5845-00-406-1882INTERCHANGEABLE
FASTENER,PIVOT ACTI
64659-1
3455-00-618-6007INTERCHANGEABLE
CUTTER,MILLING,END
5961-00-778-3958INTERCHANGEABLE
TRANSISTOR
2N1050B
2910-00-787-6428INTERCHANGEABLE
SCREW CAM RING ADVANCE
33627
6625-00-840-4476INTERCHANGEABLE
PROBE,TEST
16975-13
5961-00-919-5885INTERCHANGEABLE
TRANSISTOR
6210-01-077-2913INTERCHANGEABLE
LIGHT,MARKER,AIRPORT RUNWAY
78961
5930-01-143-4995INTERCHANGEABLE
SWITCH,THERMOSTATIC
3370036-006
6660-01-519-8889INTERCHANGEABLE
SHIELD,RADIATION
41003
8465-01-589-0201INTERCHANGEABLE
HYDRATION SYSTEM
41003
5985-01-627-4148INTERCHANGEABLE
COUPLER,ANTENNA
410-03

Frequently Asked Questions

What is NSN 5961-00-990-3079?

NSN 5961-00-990-3079 is a Transistor, manufactured by Eldorado Instruments Co Sub of E-H International Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-990-3079?

NSN 5961-00-990-3079 has 9 cross-referenced part numbers: 4-1003 (Eldorado Instruments Co Sub of E-H International Inc), RELEASE3379 (Electronic Industries Association), 2N711B (Electronic Industries Association), 2N711B (Raytheon Systems Ltd (weapons Support Group)), 2N711B (Texas Instruments Incorporated) and 4 more.

What NSN replaces 5961-00-990-3079?

There are 12 known substitutes for 5961-00-990-3079: 2915-00-057-5586, 5845-00-406-1882, 3455-00-618-6007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-1003?

Key specifications for 4-1003: Internal Configuration: JUNCTION CONTACT; Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Mounting Method: TERMINAL; Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-990-3079 still in active supply?

NSN 5961-00-990-3079 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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