Aluminum 3" Female Camlock x 2 1/2" Female NH (USA) Threads_NYFD x NYFD Once these extinguishers are discharged

Once these extinguishers are discharged

Over forty years ago

Immediately after removal of the hose from the box

Global type "DC" aluminum 5 inch female camlock (Cam & Groove) dust cap

Aluminum 3" Female Camlock x 2 1/2" Female NH (USA) Threads_NYFD x NYFD Once these extinguishers are dischargedType "D" aluminum 3 inch female camlock (Cam & Groove) coupler to 2 1 2 inch female NH NST 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 3 inch male camlock The female threaded side of this adapter will only connect to a 2 1 2 inch male National Hose (NH) or National Standard Thread (NST) The most common thread type in use by