GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM ALLOY,4.721 IN. OD FLANGE,3.555 IN. MIN,3.557 IN. MAX DIA BASE,4.0625 IN. DIA TOP FACE,1.797 IN.MIN,1.828 IN. MAX DIA BORE,0.125 IN. BY 45.0 DEG BOTH ENDS OF BORE,BORE AND UNDERSIDE OF FLANGE 63.0 MICROINCH,BALANCE 125.0 MICROINCH FINISH |