6530-01-699-1638 (91B6221000)
6530-01-699-1638 is equivalent to manufacture part number 1623357. It is a temperature warming cabin switch and is classified under Federal Supply Class 6530 (6530 - Hospital Furniture and Supplies), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6530 - Hospital Furniture and Supplies and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.