The AS568-259 6-1/4" ID x 6-1/2" OD x 1/8" SIMRIZ Z7257 from Freudenberg-NOK is a high-performance sealing solution designed for various industrial applications. This O-ring features a durable SIMRIZ material, ensuring excellent resistance to chemicals and high temperatures. With precise dimensions of 6-1/4" inner diameter and 6-1/2" outer diameter, it fits seamlessly into standard AS568 specifications. The 1/8" thickness provides optimal sealing capabilities, making it suitable for hydraulic and pneumatic systems. This product complies with industry standards, ensuring reliability and longevity in demanding environments.