Midland Metal 660608C Connector, 3/8 in Push-In x 1/2 in FIP, Composite

D.O.T. Female Adapter, Connection Size 1: 3/8 in, Connection Type 1: Push-to-Connect, Connection Size 2: 1/2 in, Connection Type 2: Female NPT, Composite, 1/2-14 Thread, 145 psi, -40 to 140 deg F