This universal wrench can fit all fire hydrants
5 inch fire hose is made for firefighting per NFPA standards
Designed for use in conjunction with pin racks
custom lengths are available upon request
4" NPT Male Pipe x 4" NPSH Male Pipe Adapter Uncoupled Fire Hose This universal wrench can fitChange Threads From 4" NPT Pipe To 4" 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 4" NPT Male x 4" 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