5930-00-057-4767 (87A129)
5930-00-057-4767 is equivalent to manufacture part number 87A129. It is a loudspeaker 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.