The Freudenberg-NOK AS568-247 SIMRIZ SZ485 seal is designed with a 4-5/8" inner diameter and a 4-7/8" outer diameter, featuring a thickness of 1/8". This seal is made from high-quality SIMRIZ material, providing excellent resistance to a wide range of chemicals and temperatures. Meeting AS568 specifications, the SZ485 is perfect for use in various industrial applications, ensuring a reliable seal that prevents leaks and enhances system performance. Its durable construction guarantees longevity and reduced maintenance.