Heavy Equipment Seat Suspension Spring
Compression helical spring of 9 mm wire diameter for vibration isolation in construction equipment operator seats. Falls under HTS 7320.20.50.45 as specified helical springs of iron/steel wire in the stated dimension range. Meets Chapter 73 definition of formed wire products.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as part of complete seat assembly
Seats with integral springs for machinery classify under furniture/seating parts.
If for motor vehicle clutches
Helical springs specifically for vehicle clutch mechanisms have separate provisions.
If designed for specific construction machinery
Parts identifiable for particular earth-moving machinery take precedence.
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Import Tips & Compliance
• Certify compliance with ISO 7096 standards for machinery vibration isolation
• Provide CAD drawings showing helical coil configuration vs. flat leaf design
• Declare as individual components, not seat assemblies, to maintain spring classification
Related Products under HTS 7320.20.50.45
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This helical spring is made from steel wire with a 7 mm diameter cross-section, designed to absorb shocks in heavy truck suspension systems. It falls under HTS 7320.20.50.45 as a helical spring of iron or steel wire measuring 5.1 mm to 12.7 mm in cross-section. Commonly used in automotive applications for durability under high loads.
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