MS16218B, MILITARY STANDARD: SCREWS, MACHINE, FLAT COUNTERSUNK HEAD, SLOTTED, COPPER-SILICON ALLOY, UNC-2A, NONMAGNETIC (08 MAR 1967) [SUPERSEDED BY NASM16218]

MS16218B, MILITARY STANDARD: SCREWS, MACHINE, FLAT COUNTERSUNK HEAD, SLOTTED, COPPER-SILICON ALLOY, UNC-2A, NONMAGNETIC (08 MAR 1967) [SUPERSEDED BY NASM16218].