MS16205A, MILITARY STANDARD: BOLTS, MACHINE, REGULAR SEMI-FINISHED HEXAGON HEAD, COPPER-SILICON ALLOY (SILICON BRONZE), UNC-2A, NON-MAGNETIC (19 AUG 1966) [SUPERSEDED BY NASM16205]

MS16205A, MILITARY STANDARD: BOLTS, MACHINE, REGULAR SEMI-FINISHED HEXAGON HEAD, COPPER-SILICON ALLOY (SILICON BRONZE), UNC-2A, NON-MAGNETIC (19 AUG 1966) [SUPERSEDED BY NASM16205].