The Freudenberg-NOK OR 5.487" 90 NBR N903X seal is designed for high-performance applications requiring reliable sealing solutions. Made from 90 durometer Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils, fuels, and other chemicals, making it ideal for automotive and industrial uses. With a cross-section of 0.103", it fits standard grooves and ensures a tight seal under pressure. This product meets industry standards for quality and durability, ensuring long-lasting performance in various environments.