Square Head Plug 1 1/2 in Nominal Pipe Size Stainless Steel 304 Class Class 150 Male BSPT 1 1/2 in Outside Diameter 1 7/16 in Overall Length 150 psi Maximum Operating Pressure 150 psi Max Steam Pressure 0 Degrees to 360 Degrees F Plug Construction Cored Includes Pre-Applied Thread Sealant No Includes Seal No Magnetic No