The AS568-442 7 1/4" ID x 7 3/4" OD x 1/4" SIMRIZ SZ498 from Freudenberg-NOK is a high-performance sealing solution designed for industrial applications. This O-ring features a durable SIMRIZ material, ensuring excellent resistance to various chemicals and temperatures. With an inner diameter of 7 1/4 inches and an outer diameter of 7 3/4 inches, it provides a reliable seal in demanding environments. The 1/4" thickness offers optimal compression and sealing capabilities. This product meets industry standards, making it suitable for a wide range of applications, including hydraulic and pneumatic systems. Ideal for use in automotive, aerospace, and manufacturing sectors, the SZ498 ensures longevity and reliability.