The AS568-437 SIMRIZ SZ501 is a high-quality seal with a 6" inner diameter and a 6-1/2" outer diameter, featuring a thickness of 1/4". Manufactured by Freudenberg-NOK, this seal is designed for superior performance in various industrial applications. The SIMRIZ material offers excellent resistance to harsh chemicals and high temperatures, making it suitable for demanding environments. This seal complies with industry standards, ensuring compatibility with a wide range of systems. The SZ501 provides a reliable and effective sealing solution, ideal for hydraulic and pneumatic applications.