The AS568-160 SIMRIZ Z7257 is a premium sealing solution with a 5-1/4" inner diameter and a 5-7/16" outer diameter, featuring a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is engineered for high performance, providing excellent resistance to chemicals and extreme temperatures. It adheres to industry standards, ensuring compatibility with various applications, particularly in hydraulic and pneumatic systems. The Z7257 guarantees a secure fit, enhancing the reliability and efficiency of your machinery.