Turbojet Combustion Chamber Liner from Japan
Inner liner of the annular combustion chamber in turbojet engines, perforated for fuel-air mixing and cooled by airflow. Falls under HTS 8411.91.90 as other turbojet parts, not a complete casing. Made from high-temperature ceramics or alloys to contain combustion.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document flameout resistance testing to support classification as safety-critical part
• Use precise nomenclature matching manufacturer's service bulletins
• Avoid declaring as 'exhaust manifold' which shifts to automotive headings