It looks as if all of the parts for the Hamilton Beach 40622 Stainless Steel Percolator, are on their way out. I could not locate the glass ball the you are looking for.
Hamilton Beach, unfortunately is no longer supplying the cord for the Model number 40622 Stainless Steel Percolator. You may want to try a local small appliance repair shop in your area to see if they can match one up for you.
Hamilton Beach unfortunately no longer supplies the Glass Bulb for the 40622 Stainless Steel Percolator. You may want to try a local small appliance service center, they might have one or two floating around.