Midland Metal 28077 Barstock Cap, 3/8 in FNPT, 0.69 in, Brass

Barstock Cap, Connection Size 1: 3/8 in, Connection Type 1: FNPT, 0.69 in L, Brass, 3/8-18 Thread, 1200 psi, 0.81 in Hex, For Use With: Brass, Bronze, Copper, Steel, Aluminum, and Iron Pipe, -65 to 250 deg F