Features This hex head plug is ideal for use in plumbing and industrial applications where low-lead fittings are required. Certified for use in potable water applications. Nominal Pipe Size / 1/4 in Pipe Fitting Material / Brass Material Grade / CA2745 Fitting Connection Type / Male NPT Outside Diameter / 9/16 in Overall Length / 13/16 in Maximum Operating Pressure / 1,200 psi Temp. Range / -40 Degrees to 250 Degrees F Plug Construction / Cored Plug Drive Style / Hex Thread Size / 1/4 in -18 Includes Pre-Applied Thread Sealant / No Includes Seal / No Standards / ASA, ASME