This Kingston Brass nut is a replacement part specifically designed for the KS3911 series, ensuring a secure and reliable connection within your plumbing system. Crafted from durable metal with a polished finish, this 1/2" IPS nut offers long-lasting performance and resistance to corrosion. The nut's threaded design allows for easy installation and tightening, providing a watertight seal when properly connected. It comes with a black rubber washer to further enhance the seal and prevent leaks. This component is ideal for repairing or replacing a damaged nut in your existing KS3911 faucet or valve assembly. Its compact, hexagonal shape allows for easy gripping with a wrench during installation and adjustments. The nut's internal threading is precisely engineered to match standard 1/2" IPS pipe threads, guaranteeing compatibility. Maintaining your plumbing has never been easier with this essential replacement part. This nut provides a simple solution for restoring functionality to your Kingston Brass fixtures. It's a practical and dependable choice for both DIY enthusiasts and professional plumbers..