The Freudenberg-NOK Dichtomatik OR 4.975" 0.210" 70 NBR O-ring is designed for superior sealing in various industrial applications. This O-ring features a durable NBR construction, providing excellent resistance to oils, fuels, and other chemicals. With an outer diameter of 4.975" and a cross-section of 0.210", it is ideal for use in hydraulic and pneumatic systems. Its robust design ensures a secure fit, preventing leaks and maintaining system efficiency. This O-ring meets industry standards, making it a reliable choice for professionals seeking quality sealing solutions.