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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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