The SIMRIZ Z7257 is a high-performance seal with a 3/4" inner diameter and a 7/8" outer diameter, featuring a thickness of 1/16". Manufactured by Freudenberg-NOK, this AS568-018 compliant seal is designed for durability in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and temperature variations, ensuring reliability in demanding environments. Its precise dimensions ensure a snug fit, reducing the risk of leaks and enhancing system efficiency in hydraulic and pneumatic applications.