The AS568-156 SIMRIZ Z7257 is a high-performance sealing solution with a 4-1/4" inner diameter and 4-7/16" outer diameter, featuring a 3/32" thickness. Manufactured by Freudenberg-NOK, this elastomeric seal is designed for durability and reliability in various industrial applications. The SIMRIZ material offers excellent resistance to chemicals and temperature variations, ensuring optimal performance in demanding environments. This seal meets industry standards, making it suitable for a wide range of systems and applications.