Also known as part number: 29143982 Westinghouse, Simpson, Chef Stove Control Knob Spring Clip. Fits the knobs used on many Westinghouse, Simpson & Chef stoves and cooktops. This spring clip is located inside the shaft hole on the knob and is opposite the flat side of the shaft hole. The clip is made from spring steel and is 6mm wide x 10mm long and slightly curved.
Electrolux are the owners of the AEG, Westinghouse, Chef, Simpson, Kelvinator and Dishlex Brands. There is often crossover between parts for all these brands.