The AS568-211 SIMRIZ SZ501 seal offers a 13/16" inner diameter and a 1-1/16" outer diameter, with a thickness of 1/8". Manufactured by Freudenberg-NOK, this seal is designed for optimal performance in various industrial applications. The SIMRIZ material provides excellent resistance to a wide range of chemicals and temperature fluctuations, making it suitable for hydraulic and pneumatic systems. This product meets industry standards, ensuring compatibility and reliability. The SZ501 is engineered to deliver a secure fit, enhancing the efficiency and lifespan of your machinery.