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

PWR Pressurized Water Nuclear Reactor from Japan

A Pressurized Water Reactor (PWR) is a nuclear reactor type where water acts as both coolant and moderator under high pressure to prevent boiling. It falls under HTS 8401.10.00.00 as it is a complete nuclear reactor designed for generating electricity in power plants.

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

Obtain NRC or equivalent nuclear regulatory approval and IAEA safeguards prior to import

Comply with strict export control regulations under NSG and ensure end-user certificates

Verify containment vessel certifications and radiation shielding documentation

PWR Pressurized Water Nuclear Reactor from Japan — Import Duty Rate | HTS 8401.10.00.00