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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8503.00.95Higher: 38% vs 35%

If for non-aircraft generator applications

Lacks specific suitability for aircraft use, falling into general 'other' parts category.

8411.99.90Higher: 37.4% vs 35%

If integrated into turbomachinery

Certain generator components for aircraft gas turbines classified under turbojet/turboprop parts.

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 FAA or EASA certification documentation to prove aircraft-specific use and avoid reclassification

Include detailed engineering specs showing compatibility only with heading 8502 aircraft generators

Related Products 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.