The Freudenberg-NOK N901W O-Ring is a high-quality sealing solution made from 90 Shore A Nitrile Butadiene Rubber (NBR). With a diameter of 5.725 inches and a cross-section of 0.275 inches, this O-Ring is designed for durability and resistance to various chemicals and temperatures. It meets industry standards for performance and reliability, making it suitable for a wide range of applications in industrial settings. The NBR material provides excellent sealing capabilities, ensuring minimal leakage and optimal performance in hydraulic and pneumatic systems.