The AS568-254 SIMRIZ SZ134 seal is designed for high-performance applications, featuring a 5-1/2" inner diameter and a 5-3/4" outer diameter with a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is made from durable SIMRIZ material, offering excellent resistance to chemicals and high temperatures. It meets industry standards, ensuring compatibility with various systems, particularly in hydraulic and pneumatic applications. The SZ134 provides a secure and effective seal, contributing to the reliability and efficiency of your machinery.