The O-Ring 5.500 x 0.000 x 0.250 9251 from Freudenberg-NOK is a reliable sealing component designed for various industrial applications. With an inner diameter of 5.500 inches and a thickness of 0.250 inches, this O-ring is ideal for use in hydraulic and pneumatic systems. Made from high-quality materials, it provides excellent resistance to wear, temperature, and chemical exposure. This O-ring meets industry standards, ensuring compatibility with a wide range of systems. Opt for the 9251 O-Ring for a durable and effective sealing solution.