| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,MIL-S-11415 CLASS C1,ROCKWELL 15N SCALE 85 TO 90 HARDNESS,OD PAINT COATING,3.000 IN. INSIDE RADIUS,3.500 IN. BOLT HOLE RADIUS,4.000 IN. OUTSIDE RADIUS,2 BOLT HOLES 0.520 IN. DIA,SPACED 4.630 IN. APART,8 TEETH 45 DEG ONE SIDE,EQUALLY SPACED ON 40 DEG ARC LOCKING 17 DEGS FROM TEETH |