The Freudenberg-NOK N901W O-Ring is a high-quality sealing solution made from 90 durometer NBR (Nitrile Butadiene Rubber). With a diameter of 0.674 inches and a cross-section of 0.103 inches, this O-Ring is designed for reliable sealing in various applications. NBR is known for its excellent resistance to oils, fuels, and other chemicals, making it suitable for automotive and industrial uses. This O-Ring meets industry standards for performance and durability, ensuring a long-lasting seal in demanding environments.