The SIMRIZ SZ486 is engineered for optimal sealing performance with an inner diameter of 1" and an outer diameter of 1-3/8", featuring a thickness of 3/16". This product meets AS568-318 specifications, ensuring it is suitable for various industrial applications. Manufactured by Freudenberg-NOK, the SZ486 is crafted from high-quality materials that provide excellent resistance to chemicals and temperature fluctuations. Its precise dimensions guarantee a snug fit, minimizing the risk of leaks and enhancing system efficiency.