The O-Ring 3.500 x 0.188 from Freudenberg-NOK, model 9251, is a reliable sealing solution designed for various applications. Made from high-quality materials, this O-Ring ensures durability and resistance to wear. With a cross-section of 0.188 inches, it fits snugly in standard grooves, providing an effective seal against fluids and gases. This O-Ring meets industry standards, making it suitable for use in hydraulic and pneumatic systems. Its optimized dimensions ensure a tight fit, preventing leaks and ensuring reliable performance in automotive and industrial settings.