The U704.00X275 Metric O-Ring from Freudenberg-NOK is a high-quality sealing solution with a 275 mm inner diameter and 4 mm cross-section. Made from 70 durometer urethane, this O-ring offers excellent elasticity and resistance to various chemicals, making it suitable for a wide range of applications. Its precise dimensions ensure a secure fit in hydraulic and pneumatic systems, preventing leaks and maintaining system integrity. This O-ring complies with industry standards, ensuring reliability and performance in demanding environments.