The Freudenberg-NOK N3101 Loaded Symmetrical U-Cup measures 3.5 x 4 x 0.5 inches and is designed for reliable sealing in various applications. Made from NBR (Nitrile Butadiene Rubber), this U-Cup offers excellent resistance to oils and fuels, making it ideal for hydraulic and pneumatic systems. Its symmetrical design ensures even pressure distribution, enhancing performance and longevity. This product meets industry standards, ensuring compatibility with a wide range of systems. Perfect for use in automotive, industrial, and machinery applications.