Midland Metal FSO240484 Connector, 13/16 in Male ORFS x 1/4 in MPT, Steel

Adapter, Connection Size 1: 1/2-in, Connection Type 1: Male O-Ring Face Seal, Connection Size 2: 1/4-in, Connection Type 2: Male NPTF, Steel, 13/16 x 1/4-18 Thread, 375 deg F Operating