The AS568-444 SIMRIZ SZ486 is a reliable sealing solution with a 7 3/4" inner diameter and an 8 1/4" outer diameter, featuring a thickness of 1/4". Manufactured by Freudenberg-NOK, this seal is designed for durability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and temperature changes, ensuring long-lasting performance. This product meets industry standards for quality and compliance, making it suitable for hydraulic and pneumatic systems. The SZ486 provides a secure fit and effective sealing capabilities.