04U-606 | FJX-04-06 | (1/4" Hose X 3/8" Female JIC 90 Fitting)

Size and Thread Type: -06 (3/8") JIC female for -04 (1/4") Hydraulic Hose 

Dash and Tube Size: -06 and 3/8"

Industry Nominal Thread Size: 9/16-18

Interchanges with Weatherhead