The AS568-157 SIMRIZ SZ501 is a specialized sealing solution with a 4-1/2" inner diameter and a 4-11/16" outer diameter, featuring a thickness of 3/32". This product from Freudenberg-NOK is designed for high performance in various industrial applications. The SIMRIZ material offers excellent 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 top choice for professionals seeking durable sealing solutions.