HVAC System O-Ring Seals
Circular vulcanized rubber O-rings used in air conditioning units to seal refrigerant lines and prevent leaks. Falls under HTS 4016.93.5050 as other unspecified seals of vulcanized rubber, essential for HVAC system integrity.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for aircraft or aircraft parts
Aviation-specific seals are separated in aircraft subheading regardless of rubber type.
If made primarily from plastic rather than rubber
Material composition determines chapter; plastics go to Chapter 39 even for similar seal functions.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide cross-sectional diagrams and durometer hardness specs to distinguish from plastic seals in Chapter 39
• Ensure FDA compliance if for food-related HVAC; otherwise, standard rubber import rules apply
• Bundle with installation instructions to demonstrate non-specific machinery use, avoiding Chapter 84
Related Products under HTS 4016.93.50.50
Automotive Engine Gasket Set
A set of vulcanized rubber gaskets designed for sealing engine components in passenger vehicles, preventing oil and coolant leaks. Classified under HTS 4016.93.5050 as other gaskets and seals not specified elsewhere, made from soft vulcanized rubber for automotive applications.
Industrial Pipe Flange Gaskets
Vulcanized rubber gaskets for sealing connections between industrial pipe flanges in chemical processing plants. Classified in 4016.93.5050 as other rubber seals not fitting specific exclusions or machinery parts.
Door Weatherstripping Seals
Extruded vulcanized rubber strips with adhesive backing for sealing gaps around residential and commercial doors. HTS 4016.93.5050 covers these as other rubber seals preventing air and water infiltration.
Plumbing Drain Gaskets
Vulcanized rubber gaskets for sealing sink and bathtub drain assemblies, ensuring watertight connections. Fits HTS 4016.93.5050 as other unspecified rubber gaskets for plumbing fixtures.
Electronics Case Seals
Custom-molded vulcanized rubber seals for waterproofing enclosures of consumer electronic devices like routers and battery packs. Classified under 4016.93.5050 as other rubber seals excluding electrical appliance parts.
Fitness Equipment Handle Grips
Vulcanized rubber grip sleeves that function as seals at handle-bar connections on exercise bikes and ellipticals. HTS 4016.93.5050 for other rubber seals in sporting goods excluding Chapter 95 gloves.