"MATL CRES,QQ-S-T64,CLASS 303,COND A; FINISH PASSIVATE; 1.749 IN. PORM 0.003 IN. O/A LG; 0.250 IN. O/A DIA;EXTERNAL THD ONE END 0.187 IN. LG,4-40 UNC-2A; INTERNAL THD SAME END 0.310 IN. DP,4-40 UNC-2B; TWO 0.062 IN. DIA HOLES THRU 90 DEG PORM 10 DEG APART 0.307 IN. FROM SAME END"