Propeller Feathering Springs from Canada
High-strength steel coil springs enabling propeller feathering (zero thrust position) in civil multi-engine aircraft. Classified 8807.10.00.30 as critical propeller safety parts.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include spring rate calculations and fatigue test data (e.g
• 10,000 cycles) for verification
• Specify corrosion-resistant coating (e.g
• cadmium plate) meeting MIL-specs
• Provide proof load test certificates required for life-limited parts import