Hex Head Plug, 1/4 in Nominal Pipe Size, Stainless Steel, 304, Class Class 150, Male BSPT, 1/4 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 No, Includes Seal No, Magnetic No