| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM ALLOY QQ-A-367 ALLOY 2014-T6,ANODIZED BPS FW4001,DIM.,7.480 IN. NOM O/A LG,4.650 IN. NOM HT,2.450 IN. NOM THK,3.6500 IN. MIN,3.6700 IN. MAX DIA CENTER APERTURE,FOUR THRU HOLES EQUALLY SPACED AROUND APERTURE 0.334 IN. DIA 0.470 IN. FROM TOP AND 0.520 IN. FROM BOTTOM W/2.800 IN. C TO C DISTAMCE,TWO MOUNTING HOLES 0.9940 IN. MIN,0.9995 IN. MAX DIA DRILLED PERPENDICULAR TO APERTURE 2.8997 IN. EACH SIDE OFCENTER,ITEM USED TO MOUNT TRUNNION ON HUB OF MAIN ROTOR |