The Dichtomatik OR 9.725" 0.210" 90 NBR from Freudenberg-NOK is designed for superior sealing in industrial applications. Constructed from high-performance Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to a variety of chemicals, oils, and fuels. With an outer diameter of 9.725 inches and a cross-section of 0.210 inches, it complies with industry standards for quality and performance. This O-ring is suitable for use in hydraulic and pneumatic systems, ensuring a tight seal even under high pressure, making it a reliable choice for tough environments.