0.4375" first hole diameter 1.8960" overall length id relieved 0.8100 in. porm 0.0050 dia centered 0.3500 in. porm 0.0300 in. from each end 17c solid, plain, no outside flanges
0.1406" first hole diameter 0.7188" overall length od of flange milled flat one side, 0.4375 above horiz cl 22c-1 solid, external flange one end, internal flange one end