8412.90.90.50/Reaction Control System Thruster Valve/China

Reaction Control System Thruster Valve from China

High-response solenoid or piezoelectric valve controlling hypergolic propellant flow in spacecraft reaction control thrusters for attitude control. Part of small reaction engines under HTS 8412.90.9050.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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Import Tips

• Specify response time (<10ms) and propellant compatibility (hydrazine, etc.) to confirm RCS application

• Space-qualified certifications (NASA/ESA standards) strengthen classification as reaction engine parts

• Prevent classification as generic valves by including thrust chamber integration details