1.586" hole diameter 2.250" outside diameter 0.066" material thickness navy special project 14 holes 0.203 in. dia equally spaced on a 1.917 in. bolt circle cadmium surface treated key
1.560" hole diameter 2.375" outside diameter 0.063" material thickness navy special project 18HOLES0.195in.diamin, 0.201in.diamaxequallyspaced.6HOLES0.046in.diamin, 0.052in.diamaxequallyspaced cadmium or tin surface treated key