MS16207C, MILITARY STANDARD, BOLTS, SQUARE NECK, (CARRIAGE BOLT), ROUND HEAD, UNC-2A, COPPER-SILICON ALLOY, NONMAGNETIC (24 MAY 1967)
MS16207C, MILITARY STANDARD, BOLTS, SQUARE NECK, (CARRIAGE BOLT), ROUND HEAD, UNC-2A, COPPER-SILICON ALLOY, NONMAGNETIC (24 MAY 1967).