The OR 4.100 0.210" O-Ring, crafted from 70 NBR (Nitrile Butadiene Rubber), is engineered for superior sealing performance in various applications. This O-Ring is resistant to oils and fuels, making it suitable for automotive and industrial uses. Its precise dimensions ensure a snug fit in standard grooves, preventing leaks and ensuring reliability. The N702V formulation enhances its durability, making it a dependable choice for both static and dynamic sealing needs. This O-Ring is essential for any professional looking to maintain equipment efficiency.