The AS568-155 SIMRIZ SZ498 is a robust sealing solution featuring a 4" inner diameter and a 4-3/16" outer diameter with a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is designed for durability and efficiency in various industrial settings. The SIMRIZ material offers excellent resistance to a wide range of chemicals and temperature extremes, ensuring reliable performance. This seal meets industry standards, making it suitable for diverse applications. Ideal for hydraulic and pneumatic systems, the SZ498 provides a secure and effective sealing solution.