The Freudenberg-NOK Dichtomatik OR 6.975" is a high-performance O-ring made from 90 durometer HNBR (Hydrogenated Nitrile Butadiene Rubber). This O-ring features a cross-section of 0.210" and is designed for superior sealing in various applications, particularly in harsh environments. It offers excellent resistance to heat, oils, and chemicals, making it ideal for automotive and industrial uses. The H901B model meets stringent industry standards, ensuring reliability and durability. Its precise dimensions and high-quality material composition make it a top choice for sealing solutions, ensuring optimal performance and longevity.