The Freudenberg-NOK 1.859" 0.139" 70 CR C700C O-Ring is designed for high-performance sealing applications. Made from high-quality CR (Chloroprene Rubber), this O-ring offers excellent resistance to heat, ozone, and weathering, making it ideal for various industrial uses. With a hardness rating of 70 Shore A, it ensures a reliable seal under pressure. The dimensions of 1.859" outer diameter and 0.139" cross-section provide compatibility with standard fittings. This O-ring meets industry standards for quality and durability, ensuring long-lasting performance in demanding environments.