Midland Metal 1/4 OD X 1/4MIP P-IN ADP - 20055A

Male Adapter, Connection Size 1: 1/4 in, Connection Type 1: Push-to-Connect, Connection Size 2: 1/4 in, Connection Type 2: Male NPTF, Brass, 0.56 in Hex, 0.93 in L, -10 to 200 deg F