"STEEL AMS5070,BLACK OXIDE FINISH AMS2485,ROCKWELL C SCALE 23 MAXHARDNESS,0.250 IN. NOM H,TAPERED OD,0.520 IN. MIN,0.522 IN. MAX ODSMALLEST END,0.537 IN. MIN,0.541 IN. MAX OD LARGEST END,PARTIAL BORE,0.470 IN. NOM ID,0.190 IN. NOM DEPTH LARGEST END,OUTSIDE CORNER SMALLESTEND CHAMFERED,45 DEG BY 0.030 IN. NOM LG,LARGEST END COUNTERSUNK,45 DEGBY 0.020 IN. NOM LG"