The OR 2.609 0.139" 90 HNBR H901B from Freudenberg-NOK is a precision-engineered O-ring designed for optimal sealing performance. With a diameter of 2.609 inches and a cross-section of 0.139 inches, this O-ring is made from high-quality HNBR material, providing excellent resistance to heat, oil, and chemicals. Rated for 90 durometer hardness, it ensures a tight seal in various applications, including automotive and industrial machinery. This O-ring meets industry standards, making it a reliable choice for engineers and technicians seeking durable sealing solutions.