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

Reinforced with high tensile synthetic yarn and steel helix wire

Constructed from heavy duty 1 1/2" nylon webbing this sling will take all the abuse

If you have a fire department connection

Note - 2 inch NH / NST is very rare and is often mistaken in place of 1

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