In the embodiment, a rotational stop cock valve 24 is positioned forward of {TAIL ~ threaded cap portion} 25 in nozzle coupling assembly 21 to selectively permit and restrict {HEAD ~ flow} therethrough 
In the embodiment , a rotational stop cock valve 24 is positioned forward of { TAIL ~ threaded cap portion } 25 in nozzle coupling assembly 21 to selectively permit and restrict { HEAD ~ flow } therethrough
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH