The AS568-387 SIMRIZ SZ495 seal features an 18" inner diameter and an 18-3/8" outer diameter with a thickness of 3/16". Manufactured by Freudenberg-NOK, this seal is designed for high-performance applications, providing reliable sealing in various industrial settings. The SIMRIZ material offers excellent resistance to chemicals and high temperatures, making it suitable for challenging environments. This seal complies with industry standards, ensuring compatibility with a wide range of systems. Its durable design ensures a secure fit, enhancing the performance of hydraulic and pneumatic systems.