The Freudenberg-NOK Dichtomatik OR 4.350" is a robust O-ring crafted from 90 NBR (Nitrile Butadiene Rubber), ideal for sealing in demanding environments. With a diameter of 4.350 inches and a cross-section of 0.210 inches, it is designed to handle various pressures and temperatures effectively. The NBR material ensures excellent resistance to oils and chemicals, making it a reliable choice for industrial applications. This O-ring meets stringent industry standards, ensuring optimal performance and longevity in critical sealing applications.