The AS568-468 SIMRIZ Z7257 is a high-performance seal featuring a 19 1/2" inner diameter and a 20" outer diameter with a 1/4" cross-section. Manufactured by Freudenberg-NOK, this seal is designed for durability and reliability in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and high temperatures, making it ideal for demanding environments. This seal meets industry standards, ensuring compatibility with a wide range of systems. The AS568-468 is a versatile choice for engineers seeking quality and performance in hydraulic and pneumatic applications.