Front quartz grill tube (400 watts) for Panasonic microwave ovens.

Part number: Z630GBG60BP.
The microwave grill heater is an element inside a quartz tube which offers a grilling function in a microwave grill oven. The microwave quartz grill tube is a tubular heater in the top of a microwave/grill oven.
Panasonic quartz grill tube specifications:
Overall Length (including contacts) 335 mm
Diameter 12 mm
4.6 mm push on 'lucar' terminal one end, threaded connector to take a screw the other
Voltage 92 volts AC
Power 400 watts

This is the front grill when looking from the front of the microwave.

NN-CD58JS, NN-CT57JM, NN-CT56JB, NN-CT55JW, NN-CT54JW.