6350-01-447-4073 (D3R0081)
6350-01-447-4073 is equivalent to manufacture part number D3R0081. It is a audio alarm 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.