5" fire hose into 3" standard pipe threads
1½" National Standard Thread
Using 1-1/2" Red Single Layer Fire Hose Without Fittings
So it goes in the pile of "unfinished" hoses
figure with the standard power and efficiency loss through the wire length
1.5" NPT Male Pipe x 2" NPSH Male Pipe Adapter Single Camlock Discharge Hose 5" fire hose into 3"Change Threads From 1. 5" NPT Pipe To 2" NPSH Pipe Hex Simply screw it on, and you're ready to go. The NPT side of adapter can hook into IPT, NPT, ,NPSH, and PVC threads. The NPSH side of the adapter can hook into NPSH, PVC, NPS, NPSM, NPSC, IPS, IPSM, IPT, SIPT, MIP, MPT. Specifications 1. 5" NPT Male x 2" NPSH Male Full Brass NPT National Pipe Tapered NPSH National Pipe Straight Hose More About Double Male Adapters A pipe fitting adapter is used to