4" NPT Male Pipe x 4" NPT Male Pipe Adapter MFG Blemished Fire Hose NH/NST (Swivel) - (National Hose

NH/NST (Swivel) - (National Hose / National Standard Thread (Both are the same

Equipped with a nitrile rubber seal so it's rated for fuel service transfer

5" fire nozzle up

This is a brass reducer adapter

The water flow will be minimal

4" NPT Male Pipe x 4" NPT Male Pipe Adapter MFG Blemished Fire Hose NH/NST (Swivel) - (National HoseChange Threads From 4" NPT Pipe To 4" NPT 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. Specifications 4" NPT Male x 4" NPT Male Full Brass NPT National Pipe Tapered More About Double Male Adapters A pipe fitting adapter is used to connect straight pipe or hose sections, to adapt to different sizes or shapes, and for other purposes. Pipe nipple is a length of straight pipe