The AS568-427 SIMRIZ SZ498 is a durable sealing solution featuring a 4-3/4" inner diameter and a 5-1/4" outer diameter, with a thickness of 1/4". Manufactured by Freudenberg-NOK, this seal is designed for high performance in various industrial applications. The SIMRIZ material offers excellent resistance to a wide range of chemicals and high temperatures, making it suitable for demanding environments. This seal complies with industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic applications, the SZ498 provides a secure fit and long-lasting performance.