Plastic 4" Female Camlock x 4" Female NPT Male Threads_NPSH The Double Donut Strap holds

The Double Donut Strap holds two 50-foot sections of 1 3/4" hose

The is the largest of our Hydrant Tool Kit bags

If you have a fire department connection

simply refill it at a local fire extinguisher company

Plastic 4" Female Camlock x 4" Female NPT Male Threads_NPSH The Double Donut Strap holdsType "D" polypropylene 4 inch female camlock (Cam & Groove) coupler to 4 inch female NPT 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 4 inch male camlock The female threaded side of this adapter will only connect to a 4 inch male National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example, PVC or