6210-01-253-5163 (2S0I-1C11A8-XXXX(HEATER)(ON)(X)-)
6210-01-253-5163 is equivalent to manufacture part number HEA. It is a indicator light and is classified under Federal Supply Class 6210 (6210 - Lighting Fixtures), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6210 - Lighting Fixtures and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.