Eaton Push-Button Switches Illuminated push button 609585 - Eaton 216942, The Eaton 216942 M22-DL-W-X1 is an illuminated push button featuring a durable PVC front ring. It is designed for reliable operation in control panels and machinery interfaces. Typical applications include industrial automation and equipment control systems. Eaton 216942 M22 Illuminated push button Front ring PVC 1pc