The Freudenberg-NOK 0.3125 x 0.5625 x 0.125 93 AU 2093 Loaded Symmetrical U-Cup is a high-performance sealing solution made from NBR (Nitrile Butadiene Rubber). This U-Cup is designed for use in hydraulic and pneumatic systems, providing excellent resistance to oils and fuels. With dimensions of 0.3125 inches in width, 0.5625 inches in height, and 0.125 inches in depth, it fits standard applications perfectly. Its robust construction ensures durability and compliance with industry standards, making it a reliable choice for various applications.