The Freudenberg-NOK N903X O-Ring features a diameter of 2.350 inches and a thickness of 0.210 inches, made from 90 durometer Nitrile Butadiene Rubber (NBR). This O-Ring is engineered for optimal sealing performance in various industrial applications, particularly in environments where oils and fuels are present. Its durable construction meets industry standards, making it suitable for hydraulic and pneumatic systems. The N903X O-Ring is a reliable choice for engineers and maintenance professionals seeking high-quality sealing solutions.