The Freudenberg-NOK Dichtomatik OR 4.350" 70 NBR N703W is a high-quality O-ring designed for reliable sealing in various applications. Made from durable NBR (Nitrile Butadiene Rubber), this O-ring features a cross-section of 0.210" and is rated for a temperature range suitable for many industrial environments. With a hardness of 70 Shore A, it provides excellent resistance to oils and fuels, making it ideal for automotive and machinery applications. The dimensions ensure a precise fit in standard grooves, complying with industry standards for performance and reliability.