Sargent & Greenleaf Model 2937 Time Lock from Mexico
A mechanical time lock valued over $10, featuring multiple drop bolt mechanisms and a clock movement for precise timing on safes. Classified under HTS 9106.90.40.00 as it contains a clock movement for measuring and indicating time intervals in security applications. Used primarily in high-security bank vaults and commercial safes.
Duty Rate — Mexico → United States
15.6%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify clock movement specifications to confirm classification under Chapter 91; provide detailed value documentation as units exceed $10 threshold
• Ensure no electronic components dominate to avoid Chapter 85 reclassification
• Obtain safety certifications for vault installations