The Freudenberg-NOK N901W O-Ring features a diameter of 9.984" and a cross-section of 0.139", crafted from 90 NBR (Nitrile Butadiene Rubber). This O-Ring is engineered for optimal sealing performance in various industrial applications, providing excellent resistance to oils and chemicals. Its robust construction ensures reliability in hydraulic and pneumatic systems, adhering to industry standards for quality and compatibility. The NBR material enhances durability, making it a preferred choice for demanding environments.