GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL AISI 4140,O/A DIM. 13.000 IN. OD FLANGE,7.875 IN. ID,5.625 IN. LG,48 EXTERNAL FLAT ROOT SIDE FIT SPLINES,SPECIAL CLASS,12.000 IN. PITCH DIA,64 INTERNAL INVOLUTE FLAT ROOT SIDE FIT SPLINES,SPECIAL CLASS,8.000 IN. PITCH DIA,16 FLANGE BOLT HOLES 0.625-11 UNC-2B TAP EQUALLY SPACED ON 11.625 IN. DIA BO CIRCLE,DYNAMICALLY BALANCED WITHIN 0.012 OZ IN. PER PLANE |