Sperry Marine MK 37 Gyrocompass from Mexico
The Sperry Marine MK 37 is a non-electrical gyroscopic compass designed for marine navigation, utilizing mechanical gyroscopes to maintain directional reference without relying on electrical power for the core gyro mechanism. It falls under HTS 9014.10.60.00 as a gyroscopic compass other than electrical, specifically for direction finding in maritime applications. This model is widely used on commercial vessels for reliable heading information.
Duty Rate — Mexico → United States
Rate breakdown
Import Tips
• Verify the compass is certified non-electrical gyroscopic per manufacturer specs to avoid reclassification under electrical headings
• Include maritime type-approval certificates and gyro mechanism diagrams in documentation for customs clearance
• Beware of pitfalls like incomplete vibration resistance testing reports, which can delay approval for shipboard use