The AS568-355 SIMRIZ SZ486 is a high-quality sealing solution with a 5-1/4" inner diameter and a 5-5/8" outer diameter, featuring a thickness of 3/16". Manufactured by Freudenberg-NOK, this seal is designed for optimal performance in various industrial applications. The SIMRIZ material offers superior resistance to chemicals and thermal degradation, making it suitable for harsh environments. This seal meets industry standards, ensuring compatibility with a wide range of systems, particularly in hydraulic and pneumatic applications, providing a reliable and effective sealing solution.