The AS568-155 SIMRIZ SZ485 is a robust sealing solution with a 4" inner diameter and 4-3/16" outer diameter, featuring a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is designed to withstand extreme conditions, offering excellent chemical and temperature resistance. The SIMRIZ material ensures durability and reliability in various industrial applications. This product adheres to industry standards, making it compatible with a wide range of systems. The SZ485 is ideal for use in hydraulic and pneumatic applications, providing a secure and long-lasting seal.