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
20%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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