MIL-S-17249 (AMENDMENT-1), MILITARY SPECIFICATION: STEEL CASTINGS, HADFIELD MANGANESE (LOW MAGNETIC PERMEABILITY) (24-AUG-1953) [S/S BY MIL-C-24707/4 AND ASTM-A128]

MIL-S-17249 (AMENDMENT-1), MILITARY SPECIFICATION: STEEL CASTINGS, HADFIELD MANGANESE (LOW MAGNETIC PERMEABILITY) (24-AUG-1953) [S/S BY MIL-C-24707/4 AND ASTM-A128].