The AS568-046 SIMRIZ SZ481 is a high-quality seal with a 4-1/4" inner diameter and a 4-3/8" outer diameter, featuring a thickness of 1/16". Designed by Freudenberg-NOK, this seal is built for durability and reliability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and temperature extremes, making it suitable for demanding environments. This product meets industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic applications, the SZ481 provides a secure fit and long-lasting performance.