Malone Specialty Inc. offers a Carbon Steel Male SAE to Tube 90º with Adjustable Locknut & O-Ring as well as a 316 Stainless Steel Male SAE O-Ring Boss to Tube 90° Elbows with an adjustable locknut and O-Ring, in various sizes. Our SAE O-Ring Boss to Tube Elbows comply with the SAE J514, and the DIN 3859-1 specifications. These Elbows come complete with a Metric Tube Nut and Tube Sleeve for each side, and uses a bite type connection style for the tube end. For more information see below, or contact one of our experienced salesmen at (440) 255-4200.