NBR O-Ring Assortment for General Industrial Use from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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