The Freudenberg-NOK OR 4.100" 90 EU U902E seal is a high-performance O-ring designed for industrial applications. With a diameter of 4.100 inches and a cross-section of 0.210 inches, it provides a secure seal in various environments. Made from durable materials, this seal is resistant to wear and suitable for use with a variety of fluids. The 90 durometer rating ensures excellent compression set resistance, making it ideal for hydraulic and pneumatic systems. This product adheres to industry standards, ensuring reliability and compatibility across multiple applications.