Freudenberg-NOK's Dichtomatik OR 4.109" 80 HNBR H802B is designed for optimal sealing performance in various industrial settings. This O-ring measures 4.109 inches in diameter and 0.139 inches in thickness, made from high-quality HNBR material that offers superior resistance to heat and chemicals. With a hardness of 80, it is designed to withstand high-pressure applications, ensuring a secure seal. This product meets industry standards, making it a reliable choice for hydraulic and pneumatic systems, effectively preventing leaks and enhancing operational efficiency.