The Freudenberg-NOK OR 3.600" 0.210" 90 HNBR H901B O-Ring is designed for high-pressure sealing applications. Made from HNBR material, it offers superior resistance to oils, fuels, and high temperatures, making it suitable for automotive and industrial uses. With a hardness rating of 90, this O-ring ensures a robust seal under demanding conditions. Its dimensions of 3.600" inner diameter and 0.210" cross-section provide versatility for various applications. This O-ring complies with industry standards, ensuring reliability and performance in critical sealing tasks.