The Freudenberg-NOK Dichtomatik OR 6.475" 0.210" 70 NBR NB7018 is a high-quality O-ring designed for reliable sealing in various applications. Made from durable Nitrile Butadiene Rubber (NBR), this O-ring offers excellent resistance to oils, fuels, and other chemicals, making it ideal for industrial use. With a hardness rating of 70 Shore A, it provides a robust seal under pressure. The dimensions of 6.475" outer diameter and 0.210" cross-section ensure compatibility with standard fittings. This O-ring meets industry standards for performance and reliability, making it a trusted choice for engineers and maintenance professionals.