Camlock Male Diameter Sizes: 5" (Plug)
Pipe adapter is a length of straight or tapered pipe with male or female threads on both ends
You will not lose any pressure with the 3" diameter hose
NH/NST = National Hose/ National Standard Thread
The aluminum connectors are left on the hose for added weight
1.5" NST (NH) Male Hose x 1.5" NPSH Male Pipe Adapter DMH15F15F Camlock Male Diameter Sizes: 5"Change Threads From 1. 5" NST (NH) Fire Hose To 1. 5" NPSH Pipe Hex Simply screw it on, and you're ready to go. The NST (NH) side of the adapter will allow you to connect the female end of your fire hose. The NPSH side of the adapter can hook into NPSH, PVC, NPS, NPSM, NPSC, IPS, IPSM, IPT, SIPT, MIP, MPT. Specifications 1. 5" NST (NH) Male x 1. 5" NPSH Male Full Brass NST (NH) National Standard Thread (National Hose) NPSH National Pipe Straight Hose