The Freudenberg-NOK N750FM O-Ring measures 5.859" in length and 0.139" in diameter, made from high-quality 75 NBR (Nitrile Butadiene Rubber). This O-Ring is designed for reliable sealing in various industrial applications, ensuring durability and resistance to wear. It meets industry standards for performance and compatibility, making it suitable for use in hydraulic and pneumatic systems. The NBR material provides excellent resistance to oils, fuels, and other chemicals, ensuring longevity in demanding environments.