Gilmour 877054-1001 Hose Adapter, 3/4 x 3/4 x 1/2 in, MNH x MNPT x FNPT, Brass | For connecting threaded pipe and hose. National Hose Thread. Male hose thread on one side with a dual pipe thread on the other side. 1/2 NPT female inside and 3/4 NPT male on the outside.