5930-00-189-4623 (HK02UB-029)
5930-00-189-4623 is equivalent to manufacture part number HK02AA275. It is a pressure switch and is classified under Federal Supply Class 5930 (5930 - Switches), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5930 - Switches and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.