Size and thread type: -06 (3/8") ORFS Female 90 degree for -04 (1/4") Hydraulic Hose
Dash and Tube Size: -06 and 3/8" Industry Nominal Thread Size: 11/16-16 Actual Measurement of Male Thread OD: 11/16" or 0.69" Actual Measurement of Female Thread ID: 5/8" or 0.63"