The Freudenberg-NOK OR 3.109" 90 NBR N903X seal is designed for high-performance sealing in various industrial settings. Constructed from durable Nitrile Butadiene Rubber (NBR), this O-ring features a cross-section of 0.139" and is rated for a wide range of pressures and temperatures. Its precise dimensions ensure compatibility with numerous applications, providing effective sealing against liquids and gases. This product meets industry standards, making it ideal for hydraulic and pneumatic systems. A reliable choice for professionals seeking quality sealing solutions.