O-Ring, Formerly JASO F404 Series (For Fixed And Motion) (CO0205-U0)

A ring gasket with an O-shaped cross section that seals against fluids and dust. A wide variety of rubber materials are available to suit a range of usage conditions.

O-rings are ring gaskets with an O-shaped (circular) cross-section. They are fitted into a groove and then pressed in place to prevent leakage of a wide variety of fluids such as oil, water, air or gas. NOK uses synthetic rubber suitable for a variety of applications to provide an O-ring that can withstand long-term use and harsh conditions.