Freudenberg-NOK's AS568-449 10" ID x 10.25" OD x 1/4" SIMRIZ SZ501 O-ring is designed for superior sealing in industrial applications. Made from high-quality SIMRIZ material, it provides excellent resistance to a variety of chemicals and thermal conditions. With precise dimensions of 10 inches inner diameter and 10.25 inches outer diameter, this O-ring adheres to AS568 standards, ensuring compatibility with standard fittings. The 1/4" cross-section is engineered to deliver effective sealing in hydraulic and pneumatic systems, making it a reliable choice for demanding environments.