Ceramic Clock Bridge Assembly from Japan
Advanced ceramic bridge providing thermal stability for high-accuracy clock movements used in scientific instruments. HTS 9114.40.80.00 includes 'other' clock bridges of advanced materials essential to timekeeping function.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include thermal expansion coefficient specs proving suitability for precision timekeeping
• Document assembly sequence showing integration with escapement mechanism
• Distinguish from Chapter 69 ceramic insulators via horological end-use certification