The AS568-449 10" ID x 10.25" OD x 1/4" SIMRIZ Z7257 O-ring by Freudenberg-NOK is a high-quality sealing solution designed for industrial applications. Constructed from durable SIMRIZ material, it offers excellent resistance to various chemicals and temperatures. With an inner diameter of 10 inches and an outer diameter of 10.25 inches, this O-ring meets AS568 specifications, ensuring compatibility with standard fittings. The 1/4" cross-section enhances its sealing performance, making it suitable for hydraulic and pneumatic systems, providing reliability and durability in demanding environments.