For generators suitable for use on aircraft
Parts suitable for use solely or principally with the machines of heading 8501 or 8502: > Other: > For generators suitable for use on aircraft
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 8503.00.90.00
Aircraft Generator Voltage Regulator Module
Electronic control module that maintains stable output voltage in aircraft generators under varying loads. Falls under HTS 8503.00.90.00 as a principal part for aircraft-suitable generators of heading 8502. Includes aircraft-grade circuitry for EMI resistance and thermal management.
Aircraft Generator Slip Ring Assembly
Precision slip ring and brush holder assembly for transferring power in rotating aircraft generators. Classified under HTS 8503.00.90.00 for principal use with heading 8502 aircraft generators. Features silver-graphite brushes for high-altitude, low-friction operation.
UAV Brushless Motor Controller for Generators
Electronic speed controller optimized for UAV generator systems providing onboard power. Falls under HTS 8503.00.90.00 as principally suitable for aircraft (unmanned) generators of heading 8502. Lightweight design with vibration damping for drone applications.
Aircraft Integrated Drive Generator Bearing Housing
Specialized aluminum housing with integrated bearings for IDG units in commercial airliners. Under HTS 8503.00.90.00 as principal part for constant-speed aircraft generators of heading 8502. Features oil passages and thermal expansion compensation.
Jet Engine Generator Exciter Coil Assembly
High-voltage exciter field coil for brushless aircraft generators on jet engines. Classified HTS 8503.00.90.00 for principal suitability with heading 8502 aviation generators. Wound with space-rated magnet wire and aviation epoxy encapsulation.
Business Jet Generator Cooling Fan Impeller
Titanium impeller for forced-air cooling of generator stators in business jets. HTS 8503.00.90.00 as part principally for aircraft generators of heading 8502. Balanced for 20,000+ RPM operation in pressurized cabins.
Military Aircraft Generator Rectifier Bridge
High-current diode bridge rectifier for converting AC to DC in military transport generators. Under HTS 8503.00.90.00 for aircraft-suitable heading 8502 generators. MIL-STD-704 compliant with transient protection.
Regional Jet Generator Terminal Block Assembly
High-reliability terminal block with integrated bus bars for regional jet generators. HTS 8503.00.90.00 classification for principal use with heading 8502 aircraft generators. Features arcing protection and vibration-resistant contacts.
Turboprop Generator Field Winding Harness
PTFE-insulated wiring harness for excitation field connections in turboprop generators. Classified under HTS 8503.00.90.00 for aircraft generator parts of heading 8502. Rated for 30,000 ft altitude operation.
Airliner Generator Overvoltage Protection Module
Solid-state crowbar circuit for protecting aircraft electrical buses from generator overvoltage. HTS 8503.00.90.00 as principal safety part for heading 8502 aircraft generators. Meets DO-160 environmental standards.
Glider Tow Aircraft Generator Housing
Lightweight magnesium alloy housing for generator used in glider towing aircraft. Under HTS 8503.00.90.00 for parts principally suitable for heading 8502 aircraft generators. Optimized for low weight and high strength.
Electric VTOL Generator Rotor Shaft
High-strength alloy steel shaft for generators in electric vertical takeoff aircraft. HTS 8503.00.90.00 classification for eVTOL generators principally suitable for aircraft use under heading 8502. Features integrated balancing weights.
Aircraft Brushless DC Generator Rotor Assembly
This rotor assembly is a core rotating component designed specifically for brushless DC generators used in aircraft electrical systems. It falls under HTS 8503.00.90.00 as a part suitable solely or principally for generators of heading 8502 that power aircraft avionics and systems. Precision-balanced for high-speed operation in aviation environments.
Aviation Permanent Magnet Generator Stator Core
Laminated stator core with windings for permanent magnet generators in aircraft auxiliary power units (APUs). Classified under HTS 8503.00.90.00 due to its principal use in aircraft-suitable generators of heading 8502. Engineered for lightweight, high-efficiency power generation at altitude.
Helicopter Starter-Generator Armature
Armature winding assembly for combined starter-generator units in helicopters. Specifically engineered for HTS 8503.00.90.00 as parts of heading 8502 generators suitable for rotary-wing aircraft. High-torque design for engine starting and power generation.