6920-01-549-5681 (001-020 8877001020)
6920-01-549-5681 is equivalent to manufacture part number 8877. It is a laser firing simulator system and is classified under Federal Supply Class 6920 (6920 - Armament Training Devices), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6920 - Armament Training Devices and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.