This Parts Assembly for the 400A Fill Valve by Fluidmaster includes essential components such as the shank washer, refill clip, and locknut. Designed for easy installation, this assembly ensures a secure fit and optimal performance of your toilet's fill valve. Made from high-quality materials, these parts are built to withstand the rigors of daily use, providing long-lasting reliability. This assembly is compatible with the Fluidmaster 400A fill valve, making it an ideal choice for repairs and maintenance. Ensure your toilet operates efficiently with this essential parts assembly.