6910-01-188-9764 (47-1059)
6910-01-188-9764 is equivalent to manufacture part number 47-1059. It is a amygdaloidal basalt and is classified under Federal Supply Class 6910 (6910 - Training Aids), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6910 - Training Aids and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.