Midland Metal 28204 Heavy Duty Cored Hex Plug, 1/2 in MNPT, 0.81 in, Brass

Cored Hex Head Plug, Connection Size: 1/2-in, Connection Type: Male NPTF, 0.81-in L, Brass, 1/2-14 Thread, 1200 psi, 0.87-in Hex, For Use With: Brass, Bronze, Copper, Steel, Aluminum, and Iron Pipe, -65 to 250 deg F