The Freudenberg-NOK N903X O-Ring is a premium sealing component featuring a 0.210-inch diameter and a hardness of 90 Shore A. Made from high-grade Nitrile (NBR), this O-Ring is designed to withstand exposure to various oils and chemicals, making it ideal for industrial applications. Its robust construction ensures a reliable seal in hydraulic and pneumatic systems, preventing leaks and enhancing performance. This O-Ring meets industry standards for quality and durability, making it a trusted choice for engineers and technicians seeking dependable sealing solutions.