The Freudenberg-NOK 2.975" 0.210" 90 HNBR H901B O-Ring is designed for high-performance sealing applications. Made from high-quality HNBR material, this O-ring offers excellent resistance to heat, oil, and chemicals, making it ideal for various industrial uses. With a durometer rating of 90, it ensures a reliable seal under pressure. The dimensions of 2.975" in inner diameter and 0.210" in cross-section provide compatibility with standard fittings. This O-ring meets industry standards for durability and performance, ensuring long-lasting use in demanding environments.