The OR 4.725 0.210" 70 NBR NB7018 by Freudenberg-NOK is a specialized O-ring designed for a variety of sealing applications. With a size of 4.725 mm and a thickness of 0.210 inches, this O-ring is made from 70 durometer NBR material, providing excellent resistance to oils, fuels, and chemicals. Its robust construction ensures a reliable seal in hydraulic and pneumatic systems, effectively preventing leaks and maintaining system integrity. This O-ring is ideal for use in automotive, industrial, and manufacturing environments, making it a versatile choice for professionals seeking dependable sealing solutions.