"STEEL,QQ-S-763 CLASS 440C,PASSIVATED,0.500 IN O/A LG,0.2485 IN. MIN 0.2490 IN. MAX LARGEST DIA WITH 16 MICROINCH FINISH,0.1860 IN. MIN 0.1865 IN. MAX SECOND DIA WITH 16 MICROINCH FINISH,0.094 IN. MIN 0.096 IN. MAX SMALLEST DIA WITH 125 MICROINCH FINISH,HEAT TREAT ROCKWELL C58 TO C62,LARGE END FACE ROUNDED WITH 4 MICROINCH FINISH"