6350-00-557-7243 (336-4-115V60AC)
6350-00-557-7243 is equivalent to manufacture part number 0S028290. It is a electrical bell and is classified under Federal Supply Class 6350 (6350 - Miscellaneous Alarm and Security Systems), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6350 - Miscellaneous Alarm and Security Systems and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.