The AS568-240 SIMRIZ Z7257 is a robust sealing solution with dimensions of 3-3/4" inner diameter and 4" outer diameter, featuring a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is made from high-performance SIMRIZ material, providing excellent resistance to chemicals and temperature variations. It adheres to industry standards, making it suitable for a variety of applications, particularly in hydraulic and pneumatic systems. The AS568-240 seal ensures a secure fit, contributing to the efficiency and durability of your machinery.