The Dichtomatik OR 4.359 x 0.139" is a high-quality O-ring made from 70 durometer CR (Chloroprene Rubber), designed for optimal sealing in various applications. Manufactured by Freudenberg-NOK, this O-ring is engineered to withstand a range of temperatures and pressures, ensuring reliable performance in both static and dynamic sealing environments. Its dimensions make it suitable for a variety of fittings and connections, adhering to industry standards for compatibility. The C700M designation indicates its specific formulation, enhancing its resistance to oils and chemicals, making it ideal for automotive and industrial uses.