| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,SAE 8620,O/A OD 4.250 IN. 2.620 IN. OD FLANGE,2.376 IN. ID FLANGE,FLANGE W,0.690 IN.,0.120 IN. STEP RADIUS,GEAR,3.162 IN. MIN,3.165 IN. MAX,OD,REAM 0.250 IN. MIN,0.251 IN. MAX,THRU 1 HOLE,COUNTERSINK 0.900 IN. MIN,10.280 IN. MAX,DEPTH,TAP 0.250-28-UNF-3 THD SIZE,GEAR DATA,30 TEETH,PRESSURE ANGLE 20 DEG,HARDNESS RATING,CASE,RC 58 MIN,62 MAX,CORE,RC 25 MIN,35 MAX |