HNBR O-Ring for Oilfield Downhole Tools
Hydrogenated nitrile HNBR O-ring for high-pressure seals in oil/gas downhole drilling tools. HTS 4016.93.50.10 for vulcanized rubber O-rings enduring H2S/CO2 environments. API 6A compliant.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of oil/gas field drilling machinery
Oilfield machinery parts supersede general rubber classification.
If configured as vehicle retreaded tire component
New pneumatic tires and repairs classify differently.
If other oil/gas extraction machinery parts
Specific extraction equipment parts in Chapter 84.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• NACE MR0175/ISO 15156 sour service certification essential
• Pressure/temperature rating documentation (up to 15,000 psi/350°F)
• Avoid 'drilling equipment part' descriptions triggering Chapter 84
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