The AS568-370 SIMRIZ Z7257 seal is designed for high-performance applications, featuring an inner diameter of 8-1/4" and an outer diameter of 8-5/8", with a thickness of 3/16". Manufactured by Freudenberg-NOK, this seal is made from advanced SIMRIZ material, offering superior resistance to chemicals and high temperatures. It meets industry standards, ensuring compatibility with a wide range of systems, particularly in hydraulic and pneumatic applications. The Z7257 provides a secure and effective seal, enhancing the reliability and efficiency of your machinery.