Question: are garden hose threads npt?
Answer: The standard thread used for garden hoses is commonly known as garden hose thread (GHT), but officially its title is NH ("National Hose") defined in ANSI B1. 20.7. There are two designations. ... Some hoses may be fitted with an NPT connector for connecting to a threaded fitting on a water supply pipe (i.e. not a spigot).