OMS Elbow HP – 7/16-in Male to 7/16-in Female UNF 90 Degree Elbow
High Pressure (HP) 7/16 inch Male to 7/16 inch Female UNF 90 degree first stage elbow to fit any 7/16″ HP first stage port.
Sometimes used to mount a submersible pressure gauge (SPG) to an HP hose at a 90-degree angle.