5930-00-265-6253 (8144K21A1M52)
5930-00-265-6253 is equivalent to manufacture part number 1S11. It is a push 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.