The Freudenberg-NOK Dichtomatik OR 9.475 is a high-quality O-ring made from 90 NBR (Nitrile Butadiene Rubber) with a diameter of 0.210 inches. This O-ring is designed for excellent sealing performance in various applications, providing resistance to oils, fuels, and other chemicals. With a hardness rating of 90, it ensures durability and reliability under pressure. Ideal for use in automotive, industrial, and hydraulic systems, this O-ring meets industry standards for quality and performance. Its precise dimensions ensure a snug fit, making it suitable for a wide range of sealing applications.