MIL-S-16993A (NOTICE-1), MILITARY SPECIFICATION STEEL CASTINGS (12-PERCENT CHROMIUM) (27-JAN-1989) [S/S BY MIL-C-24707/6]

MIL-S-16993A (NOTICE-1), MILITARY SPECIFICATION STEEL CASTINGS (12-PERCENT CHROMIUM) (27-JAN-1989) [S/S BY MIL-C-24707/6]., Military Specification MIL-S-6993A, dated 25 November 1952, is hereby canceled. Future acquisition of these steel castings should be made under MIL-C-24707/6 Castings, Ferrous, Chromium Steel, for Pressure-Containing Parts Suitable for High-Temperature Service.