The Dichtomatik OR 4.359" 80 HNBR H802B from Freudenberg-NOK is a high-performance sealing solution designed for various industrial applications. This O-ring features a diameter of 4.359 inches and a thickness of 0.139 inches, made from durable HNBR material, ensuring excellent resistance to heat, oil, and chemicals. With a hardness rating of 80, it provides reliable sealing under pressure. The O-ring is compliant with industry standards, making it suitable for use in demanding environments. Ideal for hydraulic and pneumatic systems, it ensures a tight seal, preventing leaks and enhancing system efficiency.