Solid Rocket Motor Combustion Chamber from Japan
High-strength steel combustion chamber for solid propellant rocket motors, containing the burning propellant to produce high-pressure gases. Classified under HTS 8412.90.9050 as a core part of reaction engines other than turbojets used in space and defense applications.
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 propellant compatibility test reports and pressure ratings in import documentation to substantiate reaction engine use
• Check for dual-use restrictions under Wassenaar Arrangement; may require end-user certificates
• Label clearly as 'not for turbojet engines' to prevent reclassification during customs review