3/4-16 x 1/4 Male O-Ring Boss x Female National Pipe Straight Mechanical 90° AdapterThe 3 4 16 x 1 4 Male O Ring Boss x Female National Pipe Straight Mechanical 90 Adapter is a high quality hydraulic fitting designed to connect MORB threads to FNPSM threads at a 90 degree angle. The swivel feature on the FNPSM end allows for easy installation and reduces hose stress. Made from durable steel for strength and resistance to corrosion. Specification Value TYPE 3 4 16 x 1 4 Male O Ring Boss x Female National Pipe Straight Mechanical 90