The AS568-238 SIMRIZ Z7257 seal offers a 3-1/2" inner diameter and a 3-3/4" outer diameter, with a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is designed for high performance in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and high temperatures, 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 AS568-238 seal guarantees a secure fit and long-lasting durability.