The AS568-171 SIMRIZ SZ501 seal is designed for high-performance applications, featuring an inner diameter of 8" and an outer diameter of 8-3/16" with a thickness of 3/32". Manufactured by Freudenberg-NOK, this seal is made from premium SIMRIZ material, offering excellent resistance to chemicals and temperature fluctuations. The SZ501 meets industry standards, ensuring compatibility with a variety of systems, especially in hydraulic and pneumatic applications. This seal guarantees a secure fit, contributing to the longevity and efficiency of your machinery.