50-512-018 - 1/2 X 3/4 Hose Barb
50-512-018 - Straight Barb Brass Fitting
1/2" inch N.P.T. X 3/4" inch hose (straight barb) brass fitting. Barr brass pipe to hose barb fitting. Typically used as water fitting in exhaust manifolds or risers, pumps and water strainers in various marine applications.
For additional details see: