The T&S 000958-20 7/8" brass hex coupling nut is a professional-grade solution for commercial kitchen and restaurant faucet repairs. Designed to securely join two male threaded pipes or bolts, this nut features a 1/2" NPSM (National Pipe Straight Male) female thread—perfect for T&S brand faucet and spray valve assemblies. Its brass construction ensures a firm yet flexible hold, resisting loosening over time and withstanding variable stress or pressure without cracking. Whether you're maintaining high-volume restaurant sinks or repairing commercial faucet systems, this coupling nut delivers durability and precision. Installed with a 7/8" torque or ratchet wrench, it provides a reliable, long-lasting connection, making it a must-have for any professional kitchen maintenance kit. With a 1-year limited warranty, it’s a cost-effective choice for businesses that demand performance.