| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL AMS 5643,PASSIVATED MIL-F-14072 FINISH E300,10-48 UNS 3B THREAD,METALLIC HARDNESS RATING ROCKWELL C SCALE 40 MIN 45 MAX,0.190 IN. MIN 0.192 IN.MAX COUNTERBORE DIAMETER,0.110 IN. COUNTERBORE DEPTH,0.375 IN. ACROSS FLATS,0.280 IN.NUT HEIGHT,0.3123 IN. MIN 0.3125 IN. MAX BEARING SURFACE DIAMETER |