Midland Metal 20530N Straight Connector, 5/16 in Tube OD x 1/8 in MIP, Brass, Nickel-Plated

Male Adapter, Connection Size 1: 5/16 in, Connection Type 1: Push-to-Connect, Connection Size 2: 1/8 in, Connection Type 2: Male Global Thread, Brass, Nickel-Plated, 0.55 in Hex, 0.98 in L, 0 to 290 psi, -4 to 176 deg F