The 4.250 x 4.750 x 0.563 Disogrin Asymmetrical PI Piston Seal by Freudenberg-NOK is designed for superior sealing in hydraulic and pneumatic systems. This piston seal features an innovative asymmetrical design that enhances sealing performance, ensuring minimal leakage and maximum efficiency. With a diameter of 4.250 inches and a thickness of 0.563 inches, it is suitable for a variety of industrial applications. Made from high-quality materials, this seal meets stringent industry standards, providing durability and reliability in challenging environments.