The Dichtomatik OR 1.549" 90 HNBR H901B from Freudenberg-NOK is a high-performance sealing solution designed for industrial applications. This O-ring features a diameter of 1.549 inches and is made from 90 durometer HNBR (Hydrogenated Nitrile Butadiene Rubber), ensuring excellent resistance to heat, oil, and chemicals. With a cross-section of 0.103 inches, it provides a reliable seal in various environments. The H901B model is compliant with industry standards, making it suitable for use in demanding conditions. Ideal for automotive, hydraulic, and pneumatic systems, this O-ring is engineered for durability and longevity.