Sargent & Greenleaf Model 2937 Time Lock
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5.6% | +35.0% | 40.6% |
| 🇲🇽Mexico | 5.6% | +10.0% | 15.6% |
| 🇨🇦Canada | 5.6% | +10.0% | 15.6% |
| 🇩🇪Germany | 5.6% | +10.0% | 15.6% |
| 🇯🇵Japan | 5.6% | +10.0% | 15.6% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If lacking integrated clock/watch movement
Mechanical locks without time-recording mechanisms fall under base metal padlocks and locks in Chapter 83.
If electronic with digital timing circuits
Electronically operated safe parts with synchronous motors but no mechanical clock movement classify in Chapter 84 machinery parts.
If valued under $10 each
Same time lock type but lower value shifts to the under-$10 subheading within the same heading.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 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
Related Products under HTS 9106.90.40.00
La Gard 3100 Series Time Lock Module
High-security time lock module with mechanical dial and clockwork for safe deposit boxes, valued over $10. Falls under HTS 9106.90.40.00 due to its clock movement for time interval indication in locking mechanisms. Commonly installed in financial institution safes.
Mosler Triple Movement Time Lock
Classic triple clock movement time lock for vault doors, valued significantly over $10 with anti-tampering features. Classified in HTS 9106.90.40.00 for its integrated mechanical time-recording apparatus. Historical model still used in legacy high-security installations.
Diebold Model 753 Time Lock
Reliable single-movement time lock for commercial safes, featuring 72-hour delay mechanism valued over $10. HTS 9106.90.40.00 classification based on synchronous clock motor for time indication. Standard in depository safes and night depositories.
Hermle Mechanical Vault Time Lock
Precision German-made mechanical time lock with jeweled movement for luxury safes, valued well over $10. Fits HTS 9106.90.40.00 as time-recording apparatus with clock movement for security timing. Popular in private residence high-end vaults.
Kaba Mas Hamilton Time Lock
Advanced mechanical time lock with multiple timing movements for maximum security safes, valued over $10. Classified under HTS 9106.90.40.00 for clock-based time interval recording in locking systems. Used in armored car service vaults.