Industrial Pump Gaskets
Flat vulcanized rubber gaskets for flange connections on centrifugal pumps in chemical processing plants. HTS 4016.93.50 covers these as other unspecified seals, using neoprene for corrosion resistance. Not hard rubber and excludes Chapter 84 pump parts.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If exclusive to pumps
Parts identifiable as solely for pumps classify in Chapter 84, per exclusion notes.
If in primary sheet form, not cut to gasket shape
Uncured or simple rectangular sheets classify under heading 4008, not finished articles.
If used in transmission belting
Certain rubber belting with seals falls under heading 4010 per chapter notes.
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Import Tips & Compliance
• Include chemical compatibility charts; misdeclaration can lead to EPA violations
• Use HTS advisory rulings for custom sizes exceeding standard dimensions
• Separate from pump housings to avoid classification as machinery parts
Related Products under HTS 4016.93.50
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 4016.93.50 as other gaskets not specified elsewhere, distinct from hard rubber and excluding conveyor belts or tires. Made from synthetic rubber compounds for high-temperature resistance.
HVAC System Washer Seals
Vulcanized rubber washers and seals used in air conditioning units for duct connections and compressor housings. Falls under HTS 4016.93.50 as other unspecified gaskets and seals of vulcanized rubber, not hard rubber. Ensures airtight and watertight joints in residential HVAC equipment.
Plumbing Pipe O-Ring Seals
Circular vulcanized rubber O-rings for sealing threaded pipe joints in residential plumbing systems. Classified in HTS 4016.93.50 as other gaskets, washers, and seals, made from nitrile or EPDM rubber for water resistance. Prevents leaks in PVC or metal pipe connections.
Window Glass Rubber Seals
Extruded vulcanized rubber seals for framing automotive or building window glass, providing weatherproofing. Under HTS 4016.93.50 as other gaskets and seals, EPDM compound for UV resistance. Excludes hard rubber and textile-covered profiles.
Hydraulic Cylinder Seals
U-cup and piston seals of vulcanized rubber for hydraulic cylinders in heavy machinery. HTS 4016.93.50 for other non-hard rubber seals, polyurethane-blend for high pressure. Distinct from machinery parts in Chapter 84.
Electrical Enclosure Gaskets
Silicone rubber gaskets for sealing NEMA-rated electrical junction boxes against dust and moisture. Classified HTS 4016.93.50 as other vulcanized rubber seals, excluding hard rubber electrical goods. Ensures IP65+ protection ratings.