The 3.750 x 4.500 x 0.625 9250 Disogrin Asymmetrical PI Piston Seal from Freudenberg-NOK is designed for high-performance sealing in hydraulic and pneumatic systems. This piston seal features an innovative asymmetrical design that enhances sealing capabilities while minimizing leakage. With a diameter of 3.750 inches and a thickness of 0.625 inches, it is suitable for various cylinder sizes. The Disogrin material offers excellent resistance to wear and temperature, ensuring a long-lasting seal. This product meets industry standards for reliability and is compatible with a wide range of hydraulic fluids, making it a versatile choice for demanding applications.