The Freudenberg-NOK N903X O-Ring is a high-quality sealing solution made from 90 durometer NBR (Nitrile Butadiene Rubber). With a diameter of 8.984 inches and a cross-section of 0.139 inches, this O-Ring is designed for durability and resistance to various fluids and temperatures. It meets industry standards for performance and reliability, making it suitable for a wide range of applications in hydraulic and pneumatic systems. The N903X is ideal for use in environments where oil and fuel resistance is critical, ensuring a secure seal in demanding conditions.