</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Turbine Exhaust Diffuser Duct from Japan

Contoured diffuser duct transitioning exhaust flow from turbine exit to exhaust nozzle in military aircraft turbojets. Reduces backpressure and improves efficiency. Other aircraft turbine part under 8411.91.90.85.

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 acoustic liner design and noise suppression performance

ITAR registration mandatory for military turbine components

Fabrication method (sheet metal vs casting) affects material declarations