Schneider Electric orange complete pilot light Ø22 plain lens with BA9s bulb 110...120V

Amazon

Orange complete pilot light Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists Designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery

Radwell UK

INCANDESCENT INDICATOR, 22MM, BA9S, 120V; LAMP BASE TYPE:BA9S; MOUNTING HOLE DIA:22MM; CURRENT RATING:-; SUPPLY VOLTAGE:120VAC; LENS SHAPE:ROUND; PRODUCT RANGE:HARMONY XB4 SERIES ROHS COMPLIANT: YES