The Freudenberg-NOK Dichtomatik OR 7.984" is a premium O-ring made from 70 durometer NBR (Nitrile Butadiene Rubber), designed for effective sealing in various applications. With a cross-section of 0.139", this O-ring fits standard grooves, ensuring a tight seal under pressure. It offers excellent resistance to oils, fuels, and chemicals, making it suitable for automotive and industrial use. This O-ring complies with industry standards, providing reliable performance in hydraulic and pneumatic systems, ensuring durability and efficiency in demanding environments.