1-5/8-12 x 1-1/4 Male O ring Boss x Male National Pipe Thread 90 degree ElbowThe 1 5 8 12 x 1 1 4 Male O ring Boss x Male National Pipe Thread 90 degree Elbow is a hydraulic fitting designed to connect a male O ring boss port to a male National Pipe Thread port at a 90 degree angle. This elbow allows directional changes in fluid systems while maintaining a secure, leak resistant connection. Made from durable, corrosion resistant steel, it ensures reliable performance in hydraulic and industrial applications. Specifications