Eaton Weatherhead 1068X4X1 Brass CA360 Mini-Barb Brass Fitting, Adapter, 1/4" Tube OD x 1/16" NPT Male Connects 1/16" NPT male fitting to 1/4" OD flexible tubing No hose clamps or ferrules are needed Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Barbed fitting for a tight seal on hoses