MIL-STD-1503B (NOTICE 2), MILITARY STANDARD: PREPARATION OF ALUMINUM ALLOYS FOR SURFACE TREATMENTS AND INORGANIC COATING (9 DEC 1996)., MIL-STD-1503B, dated 13 November, 1989, and any subsequent revisions or change notices are inactive for new design and shall be no longer used as a guidance reference for new designs.