THAAD Seeker Cooling Shroud from China

Cryogenic shroud maintaining IR seeker detector at 77K for Terminal High Altitude Area Defense interceptor. HTS 9306.90.00.60 reflects hit-to-kill guidance requirements during exo-atmospheric intercept. Stirling cycle cooler integration rejects 1kW boost heat.

Duty Rate — China → United States

17.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Cryocooler wattage and temperature specs prove missile seeker application

Exo-atmospheric pressure testing certification required

Distinguish from satellite cryocoolers by kinetic kill vehicle integration