POM Precision Washer

Polyoxymethylene (POM/acetal) precision washers for mechanical assemblies requiring tight tolerances. Plastic washer under 3926.90.45 with POM monomer >95%.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.5%+35.0%38.5%
🇲🇽Mexico3.5%+10.0%13.5%
🇨🇦Canada3.5%+10.0%13.5%
🇩🇪Germany3.5%+10.0%13.5%
🇯🇵Japan3.5%+10.0%13.5%

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.

3920.62.00Higher: 39.2% vs 38.5%

If other plates/sheets of POM

Unfabricated POM stock material classifies under 3920.

8483.90.50Lower: 37.5% vs 38.5%

If transmission parts

Washers for gearboxes become machinery parts under 8483.

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

Dimensional tolerance certificates (±0.01mm)

Low moisture absorption verification

Distinguish from metal washers via specific gravity tests

Related Products under HTS 3926.90.45

Automotive Silicone Valve Cover Gasket

A flexible silicone gasket designed to seal the valve cover on internal combustion engines, preventing oil leaks. Classified under HTS 3926.90.45 as it is a plastic gasket used for sealing purposes in automotive applications. Made from silicone polymer meeting the chapter's polymer classification rules.

PVC Plumbing Washer Set

Flat ring-shaped washers made from polyvinyl chloride (PVC) used in pipe fittings to create watertight seals. Falls under HTS 3926.90.45 due to its function as a plastic washer for sealing in plumbing systems. Polymer content meets subheading note (a)(1) for PVC predominance.

Nitrile Rubber-Like Plastic O-Ring Seals

Circular cross-section O-ring seals made from synthetic nitrile-based plastic copolymer for hydraulic systems. Classified in 3926.90.45 as plastic seals where the named copolymer units exceed 95% by weight per subheading note (a)(2).

PTFE High-Pressure Washer

Teflon (PTFE) washers for high-pressure valves and fittings, offering chemical resistance and low friction. Falls under 3926.90.45 as a fluoropolymer plastic washer per polymer predominance rules.

Nylon Fuel Injector O-Ring

Polyamide (nylon) O-rings for sealing fuel injector connections in automotive systems. Classified as plastic seals under 3926.90.45 with polyamide-6,6 content over 95%.

Silicone Toilet Tank Gasket

Molded silicone gasket sealing toilet tank to bowl connection, preventing water leaks. HTS 3926.90.45 for household plastic gaskets, excluding photo albums per note.