The AS568-431 SIMRIZ SZ485 seal features a 5-1/4" inner diameter and a 5-3/4" outer diameter, with a thickness of 1/4". 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. This seal meets industry standards, ensuring compatibility with numerous systems. Perfect for hydraulic and pneumatic systems, the SZ485 guarantees a secure and effective seal, enhancing operational efficiency.