The Freudenberg-NOK SP430 is a high-performance PTFE white spiral backup ring, featuring an inner diameter of 5.125 inches and an outer diameter of 5.625 inches. This product meets the AS568-430 standard, ensuring compatibility with a variety of sealing applications. Made from durable PTFE, it provides excellent chemical resistance and thermal stability, making it ideal for use in hydraulic and pneumatic systems. The 1/4 inch thickness ensures effective sealing and prevents extrusion, enhancing the longevity and reliability of your sealing solutions.
