Parker A-Lok 4MSEL4N-316 316 Stainless Steel Compression Tube Fitting, 90 Degree Elbow, 1/4" Tube OD x 1/4" NPT Male 90-degree elbow for connecting tubing to threaded pipe at an angle Fitting connects to tubing on one end and has an NPT male connector on the other Chemically hardened type 316 stainless steel for higher strength and greater corrosion resistance than untreated stainless steel Twin ferrule compression fitting for a leak-resistant seal in high-pressure applications For use with stainless steel pipe and tubing