NBR O-Ring Assortment for General Industrial Use from Canada
Standard nitrile butadiene rubber (NBR) O-ring kit in various AS568 sizes for maintenance applications. Falls under HTS 4016.93.50.10 as assorted vulcanized rubber O-rings (other seals). Common in MRO inventories.
Duty Rate — Canada → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• List individual sizes/quantities on commercial invoice to prevent 'set' misclassification
• Temperature range certification (-40°F to 250°F typical) supports NBR identity
• Avoid machinery association in descriptions to stay in Chapter 40