Propeller Feathering Springs from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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