The Dichtomatik OR 3.859 x 0.139" O-ring is a premium sealing solution made from 70 CR (Chloroprene Rubber). Manufactured by Freudenberg-NOK, this O-ring is designed for high-performance applications, providing reliable sealing in various environments. Its dimensions are optimized for compatibility with standard fittings, ensuring a secure fit. The C700M designation indicates its enhanced resistance to oils and chemicals, making it suitable for automotive and industrial applications. This O-ring meets industry standards, ensuring durability and effectiveness in preventing leaks and maintaining system efficiency.