The Freudenberg-NOK Dichtomatik OR 0.139" 90 NBR N901W is a high-quality O-ring designed for reliable sealing in various applications. Made from 90 durometer Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils, fuels, and other chemicals, making it ideal for industrial use. With a cross-section of 0.139 inches, it fits standard grooves and provides a secure seal under pressure. This product meets industry standards for performance and durability, ensuring long-lasting functionality in demanding environments.