The Freudenberg-NOK N901W O-Ring, with a cross-section of 0.078 inches, is made from 90 durometer NBR (Nitrile Butadiene Rubber). This O-Ring is designed for effective sealing in a variety of applications, providing excellent resistance to oils, fuels, and chemicals. Its dimensions are tailored for a snug fit in standard grooves, ensuring a reliable seal that prevents leaks. Compliant with industry standards, this O-Ring is suitable for hydraulic and pneumatic systems, delivering dependable performance in challenging environments.