Stainless Steel 4" Male Camlock x 4" Male Camlock Inlet Size_4 Inch The hydrant flushing elbow attaches

The hydrant flushing elbow attaches to the 4 1/2 inches NH / NST outlet of the fire hydrant

Dust caps and dust plugs are not to be used in pressure applications for safety and environmental reasons

The female side of this adapter will only connect to a 5 inch male camlock

The female camlock cap will only fit a 4 inch male camlock

Stainless Steel 4" Male Camlock x 4" Male Camlock Inlet Size_4 Inch The hydrant flushing elbow attachesGlobal type "AA" spool stainless steel 4 inch male camlock (Cam & Groove) coupler to 4 male camlock (Cam & Groove). 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.