A 6815-08-08 | 8 SAE/ORB Male x 8 SAE/ORB Female 90° hydraulic adapter. This is a type of hydraulic fitting that is used to connect two hydraulic components together. The fitting has a male end with a 8 SAE/ORB (SAE straight thread with an O-ring boss) connection and a female end with a 8 SAE/ORB connection, both of which have a 90 degree angle.