| GENERAL CHARACTERISTICS ITEM DESCRIPTION | BARS AND FORGINGS AMS 5645,ROCKWELL B SCALE 90 MAX,185 BHN MAX HARDNESS RATING,44 HOLES EQUALLY SPACED 0.1900 IN. 32 NF SERIES,CLASS 2B,22 HOLES EQUALLY SPACED EXCEPT ONE HOLE,OFFSET 0.2500 IN. 28 UNF SERIES,CLASS 2B,72 HOLES 0.020 IN. MIN,0.030 IN. MAX BREAKEDGES |