Precision Drilled Sight Glass Windows from Japan
Drilled and edge-ground glass from heading 7004 or 7005 for industrial pressure vessel sight windows. Worked for mounting but supplied loose, under 7006.00.4050.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include pressure/temperature ratings in documentation for end-use verification
• Certify glass type (e.g
• borosilicate) to trace back to qualifying headings 7003-7005
• Package individually to avoid set classification; bulk risks lower duties but scrutiny