Aluminum 4" Male Camlock Dust Plug Female Threads_NPT Garden Hose Threads (GHT) are

Garden Hose Threads (GHT) are commonly found in residential applications

The male threaded side of this adapter will only connect to a 1/2 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread

If you have any doubt it is best to contact your local fire department for size and thread type in your area

National Stock Number (NSN 4210-01-521-1691)

Aluminum 4" Male Camlock Dust Plug Female Threads_NPT Garden Hose Threads (GHT) areGlobal type "DP" aluminum 4 inch male camlock (Cam & Groove) dust plug. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The male side of this adapter will only connect to 4 inch female camlock How it works To make a connection, simply slide the camlock adapter into the camlock coupling and with normal hand pressure, press the cam levers down. Uncoupling is as quick and simple as coupling.