Panasonic Microwave Turntable Tray - 255mm diameter - 12570000000990Glass turntable tray for Panasonic microwave oven Part number 262100500004, 12570000000990, M78104, D839892, Q96912, 2157631 The function of the microwave dish is to hold and rotate the food during cooking to ensure that the food is being heated evenly throughout. The microwave tray or microwave plate is usually made of toughened glass. not designed to be used in a conventional oven unless by design. The microwave turntable sits on a microwave roller