The Freudenberg-NOK U804.00X268 is a high-performance urethane metric O-ring with an inner diameter of 268mm and a cross-section of 4mm. This O-ring is engineered for durability and resistance to wear, making it suitable for a wide range of applications, including sealing in hydraulic and pneumatic systems. The 80 Durometer hardness ensures a reliable seal under pressure, while the urethane material provides excellent resistance to oils and chemicals. This O-ring meets industry standards, ensuring compatibility with various systems and enhancing the efficiency of your machinery.