Stirrer cover (Grease Shield) for Menumaster commercial microwave ovens. 

Amana/Menumaster part number D769250, 59004012 or 53002003

.The stirrer cover fits into the top of the microwave. The ceiling plate or grease shield protects the stirrer above from contamination from food debris. the cover stirrer also protects the stirrer from damage. 
Suitable for:
Menumaster DCS11E (DCS-11E) commercial microwave ovens,
Menumaster DES11E (DES-11E) commercial microwave ovens, 
Menumaster DFS11E (DFS-11E) commercial microwave ovens.
Amana RCS511 (RCS-511) commercial microwave ovens,
Amana RFS511 (RFS-511) commercial microwave ovens,
Amana RS511 (RS-511) commercial microwave ovens