Radar Magnetron RF Interaction Helix from Mexico
Helix structure for RF interaction in radar magnetron tubes, facilitating microwave generation. HTS 8540.99.4000 applies as RF structure for 8540.71 microwave tubes. Essential for military and aviation radar systems.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Defense-related; prepare DDTC registrations and end-user certificates
• Frequency documentation critical for radar frequency band verification
• Anti-corrosion coatings may require material content declarations