Brass 1 1/2" Female Camlock x 1 1/2" Male NPT Hose Size (ID)_2 1/2" Hoses 3 inch NH / NST

3 inch NH / NST fittings measure approximately 3 5/8"

and valve is opened

It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days

The male side of this adapter will only connect to 1 1/2 inch female camlock

Global type "A" aluminum 6 inch male camlock (Cam & Groove) coupler to 6 inch female NPT threads

Brass 1 1/2" Female Camlock x 1 1/2" Male NPT Hose Size (ID)_2 1/2" Hoses 3 inch NH / NSTGlobal type "B" brass 1 1 2 inch female camlock (Cam & Groove) coupler to 1 1 2 inch male NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The female side of this adapter will only connect to 1 1 2 inch male camlock The male threaded side of this adapter will only connect to a 1 1 2 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for