LG Dishwasher Nut, Part Number #A074

This is the first iteration of this part. It fits and assembles cleanly. The part is no longer available from LG, although the joining parts are. I have never seen the original part, I designed this to work with the remaining parts I had. I just bought a house, the dishwasher was not working well, I found the spray arm in a draw and got to looking for a repair. When I realized it was out of print, I designed one.

The original has a seal of some sort, Looking at the way the wand/spray arm wor