6940-00-284-2991 (DM8-10CC18A)
6940-00-284-2991 is equivalent to manufacture part number 583Z1303-1. It is a training set preamplifier mixer and is classified under Federal Supply Class 6940 (6940 - Communication Training Devices), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6940 - Communication Training Devices and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.