The AS568-257 SIMRIZ SZ486 seal offers a 5-7/8" inner diameter and a 6-1/8" outer diameter, with a thickness of 1/8". This product from Freudenberg-NOK is engineered for high performance in various industrial applications. The SIMRIZ material is known for its durability and resistance to harsh chemicals and high temperatures, making it ideal for hydraulic and pneumatic systems. The SZ486 meets industry standards, ensuring compatibility and reliability in demanding environments. This seal is designed to provide a secure and effective seal, contributing to the longevity of your equipment.