The AS568-238 SIMRIZ SZ486 is a robust sealing solution with a 3-1/2" inner diameter and a 3-3/4" outer diameter, featuring a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is designed for high durability and reliability in various industrial settings. The SIMRIZ material provides excellent resistance to chemicals and high temperatures, making it suitable for demanding applications. This product adheres to industry standards, ensuring compatibility with a wide range of systems. Ideal for hydraulic and pneumatic uses, the SZ486 offers a secure and long-lasting seal.