Copper-Nickel Marine Propulsion Springs
Corrosion-resistant copper-nickel torsion springs for boat propeller shafts, classified HTS 7419.80.1600 copper springs per subheading note (d).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vessels and floating structures parts
Marine propulsion copper springs classify with vessels in Chapter 89.
If crankshafts and parts
Engine crankshaft springs go under transmission shafts.
If cast copper-nickel fittings
Table, kitchen copper articles separate from technical springs.
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Import Tips & Compliance
• USCG approval documentation for marine applications
• Confirm <1% zinc content for copper-nickel base alloy classification
• Salt spray test reports recommended for valuation
Related Products under HTS 7419.80.16.00
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