The 0.25 x 0.5 x 0.188 Loaded Symmetrical U-Cup from Freudenberg-NOK, model N3101, is designed for effective sealing in hydraulic and pneumatic systems. Made from high-quality NBR (Nitrile Butadiene Rubber), this U-Cup provides excellent resistance to oils and fuels, ensuring reliable performance in various applications. Its compact dimensions allow for easy installation, while the symmetrical design offers versatility in use. This U-Cup meets industry standards, ensuring compatibility with a wide range of systems and applications.