The 4.500 x 5.000 x 0.375 9250 Disogrin Asymmetrical PI Piston Seal by Freudenberg-NOK is designed for effective sealing in hydraulic systems. This piston seal features an asymmetrical design that optimizes sealing performance, making it ideal for high-pressure applications. Made from high-quality materials, it provides durability and resistance to wear. With dimensions of 4.500 inches in diameter and 0.375 inches in thickness, this seal is compatible with various hydraulic systems, ensuring optimal performance and compliance with industry standards.