When installing my repair cluch does the washer spin nut ap 2905330 go on the shaft with the cupped side up or down when sliding onto the shaft?

There is a white plastic peice that came with the replacement cluck that attaches to the bottom of the tub, does this have to slide into the cluch in any certin spot or line up an spicific way?

When removing the sepension springs to remove the tub there are two plastic caps that seem to be there to catch two pins that slide into the base plate and then through the skate plate, they have holes at the ends of thease two inch pins , should there be cotter pins in the ends to hold them in place after inserting them thriugh the holes in base/skate and possible a nother plate???

I could not find pixtures of thease pins and also have one spring that i took off first from under the mechine that i cant figure out where a took is from, it is about 4-5 inches long and much thinner the the tub springs, it was very easy to take off and was right at the bottom ?????

THANKS for helping!!!!!!!