Steel, qq-s-634, cr, 1020, cadmium plate per qq-p-416, type i, class i, o/a dim. 5.000 in. Lg, 0.750 in. Dia, one 3/8-24 unf-3b thd hole at 0.438in. Deep located 2.500 in. From either end, counterbore 0.750 in. Diameter at0.093 in. Deep, 0.062 in. Deep by 45 degrees chamfer both ends