The AS568-466 18.5" ID x 19" OD x 1/4" SIMRIZ SZ486 O-ring from Freudenberg-NOK is a premium sealing solution for industrial applications. Constructed from high-performance SIMRIZ material, it exhibits outstanding resistance to a variety of chemicals and temperature extremes. With an inner diameter of 18.5" and an outer diameter of 19", this O-ring meets AS568 specifications, ensuring compatibility with numerous systems. The 1/4" thickness enhances its sealing capabilities, making it ideal for hydraulic and pneumatic uses. This product complies with industry standards, ensuring reliability and longevity in challenging environments.