The Freudenberg-NOK N901W O-Ring is crafted from 90 durometer NBR (Nitrile Butadiene Rubber), providing a reliable sealing solution for various applications. With a cross-section of 0.116 inches and an inner diameter of 1.171 inches, this O-Ring is suitable for hydraulic and pneumatic systems. The NBR material offers excellent resistance to oils and chemicals, ensuring durability in demanding environments. This product adheres to industry standards, making it a trusted choice for automotive and industrial applications requiring dependable sealing.