PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15840Transistor

Emcore Corporation Div Concord Division · NSN 5961-00-052-4280 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-052-4280 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-052-4280. Primary manufacturer part number: 15840.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.370 INCHES NOMINAL IN
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 1.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.15 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN AND 10.00 MICROAMPERES MAXIMUM EMITTER CURRENT, DC
  • Semiconductor Material: SILICON
  • Mounting Method: TERMINAL
  • 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 5961-00-052-4280, 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 Emcore Corporation Div Concord Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5961-00-052-4280
Primary Part Number15840
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerEmcore Corporation Div Concord Division
StatusCANCELLED
Overall Diameter0.370 INCHES NOMINAL IN
Terminal Length1.500 INCHES MINIMUM IN
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Current Rating Per Characteristic1.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.15 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN AND 10.00 MICROAMPERES MAXIMUM EMITTER CURRENT, DC
Semiconductor MaterialSILICON
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic150.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 125.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -5.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 5.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6105-00-027-7506102676 INTERCHANGEABLE
Rotor,motor
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
2915-00-048-6418B15840 INTERCHANGEABLE
Filter Element,fluid
Falls Filtration Technologies, Inc.
1430-00-056-4773HF15840 INTERCHANGEABLE
Seal,ring
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
2915-00-074-1723102-676 INTERCHANGEABLE
Diaphragm,fuel Pump
Hamilton Sundstrand Corporation
6685-00-115-9602263359 INTERCHANGEABLE
Indicator,vacuum
Provision, Inc. Dba Provision Inc
5340-00-205-517315840 INTERCHANGEABLE
Catch,clamping
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
5120-00-224-1372 INTERCHANGEABLE
Bar,pinch
5960-00-241-2911102676 INTERCHANGEABLE
Retainer,electron Tube
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5821-00-503-3434T366ARC INTERCHANGEABLE
Transmitter,radio
Joint Electronics Type Designation System
5331-00-599-0523AS3570-238 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
015840 Emcore Corporation Div Concord Division (USA)
102676 Systron-Donner Corp Microwave/instrument Div (USA)
19-15840 Emcore Corporation Div Concord Division (USA)
15840 PRIMARY Emcore Corporation Div Concord Division (USA)
Related Parts
6105-00-027-7506INTERCHANGEABLE
ROTOR,MOTOR
102676
2915-00-048-6418INTERCHANGEABLE
FILTER ELEMENT,FLUID
B15840
1430-00-056-4773INTERCHANGEABLE
SEAL,RING
HF15840
2915-00-074-1723INTERCHANGEABLE
DIAPHRAGM,FUEL PUMP
102-676
6685-00-115-9602INTERCHANGEABLE
INDICATOR,VACUUM
263359
5340-00-205-5173INTERCHANGEABLE
CATCH,CLAMPING
15840
5120-00-224-1372INTERCHANGEABLE
BAR,PINCH
5960-00-241-2911INTERCHANGEABLE
RETAINER,ELECTRON TUBE
102676
5821-00-503-3434INTERCHANGEABLE
TRANSMITTER,RADIO
T366ARC
5331-00-599-0523INTERCHANGEABLE
O-RING
AS3570-238
5821-00-681-9779INTERCHANGEABLE
TRANSMITTER,RADIO
T366AARC
5915-00-924-2188INTERCHANGEABLE
FILTER,LOW PASS
362-7561

Frequently Asked Questions

What is NSN 5961-00-052-4280?

NSN 5961-00-052-4280 is a Transistor, manufactured by Emcore Corporation Div Concord Division, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-052-4280?

NSN 5961-00-052-4280 has 4 cross-referenced part numbers: 015840 (Emcore Corporation Div Concord Division), 102676 (Systron-Donner Corp Microwave/instrument Div), 19-15840 (Emcore Corporation Div Concord Division), 15840 (Emcore Corporation Div Concord Division).

What NSN replaces 5961-00-052-4280?

There are 12 known substitutes for 5961-00-052-4280: 6105-00-027-7506, 2915-00-048-6418, 1430-00-056-4773 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15840?

Key specifications for 15840: Overall Diameter: 0.370 INCHES NOMINAL IN; Terminal Length: 1.500 INCHES MINIMUM IN; Terminal Circle Diameter: 0.200 INCHES NOMINAL IN; Current Rating Per Characteristic: 1.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC AND 0.15 MICROAMPERES MAXIMUM COLLECTOR CUTOFF CURRENT, DC, EMITTER OPEN AND 10.00 MICROAMPERES MAXIMUM EMITTER CURRENT, DC. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-052-4280 still in active supply?

NSN 5961-00-052-4280 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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