The AS568-388 SIMRIZ SZ498 seal features a 19" inner diameter and a 19-3/8" outer diameter with a thickness of 3/16". This product from Freudenberg-NOK is engineered for high-performance sealing in various industrial applications. The SIMRIZ material is known for its exceptional resistance to chemicals and high temperatures, making it ideal for harsh environments. This seal complies with industry standards, ensuring compatibility with numerous systems. Its robust design guarantees a secure fit, enhancing the reliability and efficiency of hydraulic and pneumatic systems.