B BB marine Well-known member Joined Feb 1, 2016 Messages 2,905 Fluid Motion Model R-21 Non-Fluid Motion Model Mainship 34 Pilot Vessel Name PORT-A-GEE May 16, 2020 #21 It is a seal to prevent grease washout from the impeller spline and shaft spine. Its is rarely used. It fits into the impeller shaft opening.
It is a seal to prevent grease washout from the impeller spline and shaft spine. Its is rarely used. It fits into the impeller shaft opening.