Round Head Plug 1 in Nominal Pipe Size Forged Steel Galvanized Class Class 3000 For Pipe Schedule XXS/XXH Male NPT 1 5/16 in Outside Diameter 2 in Overall Length 2 000 psi @ 150 Degrees F Maximum Operating Pressure 300 psi @ 550 Degrees F Max Steam Pressure Plug Construction Solid Plug Drive Style Round Includes Pre-Applied Thread Sealant No Includes Seal No Black