The Freudenberg-NOK 0.070" 70 NBR O-Ring N703W is designed for reliable sealing in various applications. Constructed from high-quality Nitrile Butadiene Rubber (NBR), this O-ring provides excellent resistance to oils and fuels, making it ideal for automotive and industrial uses. With a diameter of 4.489 inches, it meets industry standards for durability and performance. This O-ring is suitable for use in environments where temperature and pressure variations occur, ensuring a tight seal under demanding conditions.