The AS568-249 SIMRIZ Z7257 seal features a 4-7/8" inner diameter and a 5-1/8" outer diameter with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high durability and chemical resistance, making it ideal for various industrial applications. The SIMRIZ material ensures excellent performance under extreme conditions, providing a reliable sealing solution for hydraulic and pneumatic systems. This seal complies with industry standards, ensuring compatibility and effectiveness in a wide range of applications.