| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL CORROSION RESISTING,TYPE 303; MAJOR DIA. 0.531 IN. 32 UNS-2A; PITCH DIA. 0.509 IN; FOUR NO. 51 HOLESDRILLED 0.078 IN. DEEP,0.187 IN. FROM CENTER TO CENTER; 0.156 IN.H; INNER DIA. 0.221 INCHES CUT AT 50 DEGREE ANGLE |