Hydraulic Hose Adapter For Hose Type Hydraulic Thread Size 1/4 In.-18 3/8 In.-18 Fitting Shape Straight Rigid Flange Size Not Applicable 4 000 psi Includes O-Ring No Crimpable No Compatible Pipe Size 1/4 in 3/8 in Hose Fitting A Gender Male Hose Fitting B Gender Female Hose Fitting A Size 3/8 in Hose Fitting B Size 1/4 in Hose Fitting A Connection Type NPTF Hose Fitting B Connection Type NPTF Fitting Material 316 Stainless Steel x 316 Stainless Steel