8412.90.90.50/Rocket Nozzle Extension Segment/Japan

Rocket Nozzle Extension Segment from Japan

Carbon composite or refractory metal nozzle extension that achieves optimal expansion ratio for vacuum performance in upper-stage rocket engines. HTS 8412.90.9050 part for reaction engines.

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%

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Import Tips

• Expansion ratio calculations and altitude compensation design data support reaction engine classification

• High-temperature material specs (C/C, Nb alloys) verify space propulsion application

• Specify 'not for atmospheric turbojets' to prevent aviation parts misclassification