Gallium Arsenide Wafer Prep Centrifugal Pump Bearing Housing
Lubrication-isolated bearing housing for centrifugal pumps in gallium arsenide wafer preparation equipment. Under HTS 8413.91.9010 for 8413.30.90 semiconductor pumps. Prevents contamination in compound semiconductor processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If standard industrial pump bearings
General bearings separate from pump assemblies classify under bearing heading.
If specifically for subheading 8413.30.10 pumps
Parts tied to different fuel injection pump subheadings have separate provisions.
If copper alloy construction
Primary copper content shifts to copper articles classification.
Not sure which classification is right?
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Import Tips & Compliance
• Vibration tolerance specs required; magnetic bearing alternatives may reclassify; declare GaAs-specific contamination controls
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