The AS568-433 SIMRIZ Z7257 seal features a 5-1/2" inner diameter and a 6" outer diameter, with a thickness of 1/4". This product from Freudenberg-NOK is engineered for high performance in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and temperature extremes, making it suitable for hydraulic and pneumatic systems. This seal complies with industry standards, ensuring compatibility and reliability in demanding environments. The Z7257 is designed to provide a secure fit and long-lasting performance, enhancing the durability of your equipment.