04U-506 | MJ-04-06 | (1/4" Hose X 3/8" Male JIC Fitting)

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

Dash and Tube Size: -06 and 3/8"

Male Thread Measurement OD: 9/16" or 0.56"

Female Thread Measurement ID: 17/32" or 0.51"

Interchanges with Weatherhead 04U-506