The Freudenberg-NOK H802B O-Ring, with a diameter of 0.549 inches and a hardness of 80 durometer HNBR, is designed for superior sealing performance. This O-Ring features a cross-section of 0.103 inches, ensuring a tight fit in various applications. HNBR material is known for its excellent resistance to heat, oil, and chemicals, making it suitable for harsh environments. This O-Ring complies with industry standards, providing reliability and longevity in sealing applications. Ideal for use in automotive, hydraulic, and industrial systems, it offers versatility and durability.