MIL-STD-2175, MILITARY STANDARD: CASTINGS, CLASSIFICATION AND INSPECTION OF (12 OCT 1984) [SUPERSEDES MIL-C-6021H] [S/S BY SAE-AMS-STD-2175]., The purpose of this military standard is to prescribe the non-destructive testing acceptance criteria for the inspection of metal castings that are classified (see 1.3) in accordance with this standard.