The OR 3.725 0.210" O-Ring is constructed from 70 NBR (Nitrile Butadiene Rubber), providing exceptional sealing performance in various applications. This O-Ring is resistant to oils and fuels, making it ideal for automotive and industrial environments. Its precise dimensions ensure a perfect fit in standard grooves, delivering reliable sealing capabilities. The N702V designation indicates its specific formulation, enhancing its durability and longevity. This O-Ring is a crucial component for ensuring the efficiency and reliability of machinery.