"MATL STAINLESS STEEL,QQ-S-764,TYPE 303 OR 303SE COND A; FINISH PASSIVATE,MIL-F-14072,FINISH E300; 1.050 IN. PORM 0.010 IN. O/A LG; END 1 HAS 8-32 UNC-2A THD 0.156 IN. MIN LG WITH 45.0 DEG BY 0.025 IN. CHAMFER,0.163 IN. END 1 DIA; END 2 HAS HEXAGON SHAPE 0.185 IN. PORM 0.010 IN. LG WITH 45 DEG BY 0.030 PORM 0.010 IN.; END 2 HAS CENTRAL 0.089 IN. DIA HOLE,0.620 IN. MAX DP,COUNTERSINK 110 DEG BY 0.130 IN. PORM 0.010 IN. DIA,TAP 4-40 UNC-2B WITH DP OF 0.290 IN. MIN FULL THD"