The Freudenberg-NOK OR 4.359" 70 NBR N703W seal is crafted from high-grade Nitrile Butadiene Rubber (NBR), offering superior sealing capabilities. With a thickness of 0.139" and a hardness of 70, it is engineered for durability and resistance to oils and fuels. This seal's dimensions make it suitable for a variety of applications, ensuring a tight and effective seal. Compliant with industry standards, it provides a reliable solution for preventing leaks and maintaining system integrity in challenging environments.