The Freudenberg-NOK SP326 is a PTFE white spiral backup ring designed for effective sealing in various applications. With an inner diameter of 1.625 inches and an outer diameter of 2 inches, this backup ring meets the AS568-326 standard, ensuring it meets industry specifications. Made from high-quality PTFE, it offers excellent chemical resistance and thermal stability, making it suitable for hydraulic and pneumatic systems. The 3/16 inch thickness provides robust support, preventing seal extrusion and enhancing the longevity of your sealing solutions.
