The AS568-158 SIMRIZ SZ485 is a robust sealing solution with a 4-3/4" inner diameter and a 4-15/16" outer diameter, featuring a thickness of 3/32". This product from Freudenberg-NOK is designed for high performance in demanding industrial applications. The SIMRIZ material offers superior resistance to chemicals and high temperatures, making it suitable for hydraulic and pneumatic systems. This seal meets industry standards, ensuring compatibility and reliability, making it a preferred choice for professionals seeking durable sealing solutions.