Hex Head Plug 1/8 in Nominal Pipe Size Stainless Steel 304 Class Class 150 Male NPT 1/8 in Outside Diameter 5/8 in Overall Length 150 psi Maximum Operating Pressure 150 psi Max Steam Pressure 0 Degrees to 360 Degrees F Plug Construction Solid Includes Pre-Applied Thread Sealant Yes Thread Sealant Type PTFE Includes Seal No Magnetic No