A-A-1041B, COMMERCIAL ITEM DESCRIPTION: STEEL GRIT (20 MAR 1989) [SUPERSEDING MIL-S-851C, TYPE 1]

A-A-1041B, COMMERCIAL ITEM DESCRIPTION: STEEL GRIT (20 MAR 1989) [SUPERSEDING MIL-S-851C, TYPE 1]., This commercial item description covers hardened cast steel for use in blast cleaning equipment for general blasting or peening purposes.