Features The 316 stainless steel construction for this GRAINGER APPROVED hex head plug has a higher nickel content, as well as molybdenum, for better corrosion resistance. Compatible with Schedule 80 stainless steel pipe For use in air, water, and natural gas applications Nominal Pipe Size / 1 in Pipe Fitting Material / 316 Stainless Steel, Stainless Steel Material Grade / 316 Fitting Connection Type / Male NPT Max. Steam Pressure / 2500 psi @ 350 Degrees F Includes Pre-Applied Thread Sealant / No Includes Seal / No Standards / Material Conforms To ASTM-A-182, Threads Conform To ANSI/ASME B1.20.1 meets ASME B16.11