Brennan 5406-P-12-SS Stainless Steel Pipe Fitting, Hex Head Plug, 3/4" NPT Male Plug for closing and terminating the end of a pipe or fitting Male National Pipe Taper (NPT) threads for connecting to a female pipe or fitting Made from stainless steel 316 for resistance to chloride corrosion Higher corrosion resistance than stainless steel 304 Meets SAE J514 standard for quality assurance