Regulator Clock Seconds Arbor Assembly from China
Precision seconds wheel, arbor, and bearing jewels riveted assembly for high-accuracy regulator clocks. Classifies HTS 9114.90.30.00 as inseparably joined clock movement parts. Critical for 1-second beat accuracy.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Jewel count certification (17+ jewels typical for regulators),Beat rate documentation (true seconds vs dead beat),Material specs for hardened steel arbors