"ALUMINUM ALLOY QQ-A-225/9 COMP 7075 COND T73,ANODIZE FINISH,3.560 IN. O/A LG,2.770 IN. O/A DIA,1.560 IN. DIA BORE THRU,1 END2.125-16 UNJ-3A THD 0.880 IN. LG,2ND END 1.750-16 UNJ-3B THD0.935 IN. LG,SIX 0.560 IN. DIA HOLES THRU WALL EQUALLY SPACED,6 HELI-COIL INSERTS INSTALLED"