Plaza notes
Hard ruleDescription
5 inch NH / NST male hose coupling or fire hydrant is 3
The most common size and threads for US fire hydrants is 4 1/2 inch NH / NST
Fits pentagon fire hydrant heads up to 1 3/4 inch and square fire hydrant heads and up to 1 1/4 inch
They have specialized in municipal fire fighting
Constructed from aluminum
Aluminum 4" Male Camlock x 4" Male NPT Threads_NH x NPSH 5 inch NH / NSTGlobal type "F" aluminum 4 inch male camlock (Cam & Groove) coupler to 4 inch male NPT threads. 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 The male threaded side of this adapter will only connect to a 4 inch female National Pipe Tapered (NPT) or a National Pipe Straight Hose (NPSH) thread, for example, PVC or
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