The O-Ring 4.000 x 0.063 6865 DISOGRIN by Freudenberg-NOK is engineered for reliable sealing in various industrial applications. With a diameter of 4.000 inches and a cross-section of 0.063 inches, this O-ring is crafted from durable materials to ensure longevity and performance. It is suitable for hydraulic and pneumatic systems, providing excellent resistance to a range of fluids and gases. The precise dimensions guarantee a secure fit, minimizing the risk of leaks and enhancing system efficiency. This O-ring meets industry standards, making it a trusted choice for engineers and technicians.