[Mondial]

I have the original mounting hardware on mine. There is a 3/4" diameter rubber washer about 1/4" thick on the sleeve and that's it. The sleeve and screw go through the cabinet hole with no grommet and the washer keeps it from pulling through. The chassis just floats on the four rubber washers and the sleeve and screw just keep it from lifting off or sliding back.

I had a bit of a problem with the washers from RR. They seem to be very soft and compress too much on the heavier end with the power transformer, so the chassis tilts lower on that side. Placed some cardboard under that side of the chassis until I come up with a better solution.