Midland Metal FF Series FF38M Flat Flush Face Plug, 3/8 in FNPT, Steel

Flat Face Pipe Plug, Connection Size 1: 3/8 in, Connection Type 1: Flat Face Plug, Connection Size 2: 3/8 in, Connection Type 2: Female NPT, Steel, Zinc-Plated, 3/8-18 Thread, Maximum Operating Pressure: 4000 psi, -65 to 250 deg F Operating