Observatory Telescope Drive Gearbox from Mexico
Precision manual speed changer for observatory telescope tracking with handwheel ratio selection. Extremely low backlash for sidereal tracking accuracy. HTS 8483.40.50 classification for astronomical applications.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify tracking accuracy (<1 arcsecond) and periodic error specs
• Include temperature compensation documentation for -20°C to +40°C range
• Avoid classification under 9005 as optical instrument parts when mechanically separable