... steel 304 316 3.Nominal pressure:3000--6000PSI 4.Type:Nut Fitting Nut1.Material:stainless steel 304 ,316 2.Nominal pressure ... or 1/16"-1" inch;4.Technics:Forged;5.Thread Standard:NPT,BSP,BSPT,G,SAE,PT,RP,ISO and etc.6 ... to install ,disconnect retighten and trouble-free performance; Pipe Fitting Nut