Malone Specialty Inc. offers a Carbon Steel Male SAE O-Ring Boss to a Tube connection as well as 316 Stainless Steel Male SAE O-Ring Boss to a Tube connection, in various sizes. These adapters conform to DIN 3859-1, and the SAE J514 specifications. This adapter comes complete with a Tube Nut and Tube Sleeve. For more information, click onto one of the product links below, or give one of our experienced salesmen a call at 440-255-4200.