Belleville Disc Spring
A conical disc-shaped steel spring that stacks for high load capacity, used in bolted joints and safety valves. It is a spring of iron or steel, not being a leaf spring or a clock/watch spring. This product is classified under tariff item 7320.90.00 as an 'other' spring.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the disc spring is considered a helical spring
Helical springs are classified under tariff item 7320.20.00, but disc springs are not helical.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare the product as a spring of iron or steel, with a clear description of its disc shape and function
• Ensure the material composition is specified
• Check if any trade agreements apply to reduce the duty
Related Products under Tariff item 7320.90.00
Anti-Shock Breguet Hairspring
A specialized hairspring for mechanical watch movements, made from steel wire and featuring a Breguet terminal curve for improved isochronism. It is designed to regulate the oscillation of the balance wheel, ensuring accurate timekeeping. This product falls under tariff item 7320.90.00 as an 'other' spring of iron or steel, not being a leaf spring or a clock or watch spring of heading 91.14.
Bowed V-Spring Washer
A V-profile steel washer spring providing light axial force in assemblies. It is a spring of iron or steel, not being a leaf spring or a clock/watch spring. This product falls under tariff item 7320.90.00 as an 'other' spring.
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