The Freudenberg-NOK 0.210" 90 HNBR H901B O-Ring is a high-performance sealing component designed for demanding applications. Made from durable HNBR material, it offers exceptional resistance to heat, oil, and chemicals. With a length of 8.975" and a diameter of 0.210", this O-Ring is perfect for various industrial uses, ensuring a tight seal. The 90 durometer rating provides excellent compression set resistance, making it a reliable choice for high-pressure environments. This O-Ring complies with industry standards, ensuring compatibility with a wide range of systems.