The AS568-251 SIMRIZ SZ501 seal features a 5-1/8" inner diameter and a 5-3/8" outer diameter with a thickness of 1/8", making it an ideal choice for various industrial applications. Manufactured by Freudenberg-NOK, this seal is made from high-performance SIMRIZ material, which provides excellent resistance to chemicals and high temperatures. It meets industry standards, ensuring compatibility with a wide range of systems. The SZ501 is designed for hydraulic and pneumatic applications, offering a secure and durable sealing solution that enhances operational efficiency.