The Freudenberg-NOK N901W O-Ring, with a diameter of 25.940 inches and a cross-section of 0.210 inches, is made from high-quality NBR (Nitrile Butadiene Rubber) with a durometer rating of 90. This O-Ring is designed for exceptional sealing performance in hydraulic and pneumatic applications, providing resistance to oils and fuels. Its design meets industry standards, ensuring durability and reliability in various operating conditions. The N901W is ideal for high-pressure environments, making it a trusted choice for industrial applications.