0.092" hole diameter 0.500" outside diameter 0.125" material thickness side opposite recess has counter bore 0.450 in. min 0.470 in. max dia. 0.005 in. min 0.010 in. max deep 15 recessed
4.647" hole diameter 5.316" outside diameter 0.042" material thickness four equally spaced internal prebent keys, 0.401 in. wide 0.250 in. long recessed