0.6870" overall length cinside dia counterbored both ends to 0.5990 in. min, 0.6190 in. max dia, 0.200 in. min, 0.0400 in. max deep; left end relieved to 0.7450 in. min, 0.7550 in. max dia, by 0.1300 in. min, 0.1500 in. max w 17c solid, plain, no outside flanges