"A-286 AMS5731,PASSIVATE PER QQ-P-35,TYPE I,II,OR III,SOLUTION HEATTREAT TO 1800.0 DEG F FOR 1 HR,OIL QUENCH,AGE AT 1325.0 DEG F FOR 12 HR,AIR COOL,1.150 IN. LG,LARGE END SLOT 0.080 IN. W 0.100 IN. DEEP 5/16-24 UNF 3A THREAD,SMALL END SLOT 0.350 IN. DEEP 0.093 IN. MAX 0.087 IN. MIN W,1 HOLE 0.075 IN. DIA THRU"