The AS568-045 SIMRIZ SZ486 is a high-quality seal featuring a 4" inner diameter and a 4-1/8" outer diameter with a thickness of 1/16". Designed by Freudenberg-NOK, this seal is built for durability and reliability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and temperature extremes, making it suitable for demanding environments. This product meets industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic applications, the SZ486 provides a secure fit and long-lasting performance.