The Freudenberg-NOK 3.859" 0.139" 90 HNBR H901B O-Ring is engineered for high-performance sealing in various environments. Made from durable HNBR, it provides excellent resistance to heat, oil, and chemicals, making it ideal for industrial applications. With a hardness of 90, this O-Ring ensures a secure seal under pressure. Its dimensions of 3.859" outer diameter and 0.139" cross-section make it versatile for different fittings. This O-Ring complies with industry standards, ensuring reliability and compatibility.
