Other
Direction finding compasses; other navigational instruments and appliances; parts and accessories thereof: > Parts and accessories: > Of articles covered by subheading 9014.20.80 > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9014.90.20.80
GPS Antenna for Marine Navigational Compasses
A high-precision GPS antenna designed specifically for direction finding compasses used in marine navigation systems under subheading 9014.20.80. It receives satellite signals to enhance compass accuracy for vessel positioning. Classified as a part due to its principal use with these navigational instruments, per Chapter 90 note 2(b).
Digital Fluxgate Sensor Module
Compact fluxgate sensor module for integration into direction finding compasses of subheading 9014.20.80, providing electronic magnetic field detection. Essential for modern digital compass heading calculations in aviation and maritime use. Fits as a dedicated accessory per Chapter 90 classification rules.
Compass Calibration Coil Assembly
Electromagnetic coil assembly used to calibrate and compensate direction finding compasses under 9014.20.80 by generating controlled magnetic fields. Critical accessory for maintaining accuracy in gyrocompass systems. Classified as a part suitable principally for these navigational appliances.
Navigational Compass Mounting Bracket
Precision-machined aluminum mounting bracket designed exclusively for installing direction finding compasses of subheading 9014.20.80 on aircraft or ship bulkheads. Ensures vibration-resistant alignment for accurate heading. Qualifies as accessory principally used with these instruments.
Inclinometer Sensor for Nav Compasses
MEMS-based inclinometer sensor compensating for pitch/roll in direction finding compasses under 9014.20.80, vital for dynamic platforms like boats. Provides tilt data to correct magnetic heading errors. Dedicated part per Chapter 90 note 2(b).
Compass Interface Control Board
Printed circuit board with signal processing for interfacing direction finding compasses of 9014.20.80 with shipboard systems like autopilot. Handles data output protocols like NMEA 0183. Essential electronic accessory for these navigational instruments.
Magnetic Declination Adjustment Potentiometer
Precision potentiometer for manual or automatic magnetic declination correction in 9014.20.80 direction finding compasses. Allows field adjustment for geographic variation. Specialized component principally for these navigational devices.
Gyrocompass Damping Fluid Reservoir
Sealed reservoir holding viscous damping fluid for gyrocompass gimbals in 9014.20.80 systems, preventing oscillations. Engineered for marine environmental conditions. Part suitable solely for these navigational appliances.
Heading Display LCD Module
Custom LCD module displaying compass heading, deviation, and variation for 9014.20.80 direction finders. Backlit for low-light navigation bridge use. Integrated accessory principally for these instruments.
Compass Gimbal Bearing Assembly
High-precision angular contact bearing assembly for gyrocompass gimbals in 9014.20.80 systems, supporting 360° rotation with minimal friction. Critical for maintaining north-seeking stability. Dedicated navigational part.
Navigational Compass Power Supply Module
24VDC to 5VDC isolated power supply module for direction finding compasses under 9014.20.80, with EMI filtering for marine environments. Surge-protected for bridge reliability. Principal accessory for these appliances.
Fluxgate Compass Probe Assembly
Remote fluxgate probe with triaxial sensing coils for external mounting on 9014.20.80 direction finding compasses, away from magnetic interference. Coaxial cable connected to main unit. Essential remote sensing part.
Digital Compass Repeater Interface
Interface module distributing heading data from master 9014.20.80 compass to multiple repeater displays on ship bridges. Supports NMEA 0183/2000 protocols. Critical distribution accessory.
Heel Compensation Sensor Kit
Sensor kit measuring vessel heel angle for automatic compensation in 9014.20.80 direction finding compasses. Includes mounting hardware for dynamic correction. Specialized marine navigational accessory.
Compass Test and Alignment Fixture
Mechanical fixture for bench-testing and aligning 9014.20.80 direction finding compasses during maintenance. Provides known magnetic field references. Workshop accessory principally for these instruments.