Copper Vacuum Vessel Evacuation Valve from Japan
A small copper valve used during manufacturing to evacuate air from vacuum flasks, creating the insulating vacuum. Falls under HTS 9617.00.60.00 as a specialized part of vacuum vessels, excluding glass inners.
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
• Supply technical drawings illustrating vacuum creation function to justify Chapter 96 classification
• Ensure valves meet pressure vessel standards if applicable, with material safety data sheets
• Invoice separately from assembly tools to avoid classification as machinery parts