This Freudenberg-NOK O-Ring, made from high-quality NBR (Nitrile Butadiene Rubber), features a 0.139" cross-section and a 2.984" inner diameter with a hardness rating of 70 durometer. Designed for superior sealing capabilities, it is ideal for applications requiring resistance to oils and fuels. The O-Ring meets industry standards, ensuring compatibility with various systems. Its robust construction makes it suitable for hydraulic and pneumatic applications, providing reliable performance and durability in demanding environments.