The AS568-428 SIMRIZ SZ481 seal features a 4-7/8" inner diameter and a 5-3/8" outer diameter with a thickness of 1/4". This product from Freudenberg-NOK is designed for durability and reliability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and high temperatures, making it suitable for demanding environments. This product complies with industry standards, ensuring compatibility with a wide range of systems. Ideal for use in hydraulic and pneumatic applications, the SZ481 provides a secure fit and long-lasting performance.