Manufacturer Part Number: 9001SK41|Switch Accessory Type|Ring NutFor Use With|Harmony 9001K/SK/KX 30 mm Pushbuttons; SKP Pilot Lights; SKR1 Pushbuttons; SKR12 Pushbuttons; SKR4 Pushbuttons; SKR5 Pushbuttons; SKR9 Pushbuttons; SKRU11 Pushbuttons; SKTR Pilot LightsIncludes|Size|Pushbutton Type|Pushbutton Shape|Color|Operator Illumination|Material|Aluminum; ZincLamp Type|PSC Code|UNSPSC Code|