npt male plug: 1,material:ss304,ss316,brass,copper 2,size:1/8"-1" 3,OEM order are ... according to customer’s requirementsOur strength:Stainless steel, carbon steel, brass fittings are available,Strict quality control norms followed at each ... ,Anticorrosion joints applied to food pharmaceutical industry,10. Simple style nut (ferrule structure and general) brass npt thread male plug adapter