Section XV — Base metals and articles of base metal
Subheading
732090
Other
Common commodities
Flat spiral steel disc springsVolute iron conical scroll springsBelleville washers made of steelU-bolt power springs of ironConical hair steel volute springsIron flat spiral springs for machinerySteel Belleville washers (springs)Conical steel scroll volute springsIron U-bolt disc springsPower springs made of stainless steel