OVERALL OUTSIDE DIA. (INCLUDING PROTRUSIONS) IS 1.430 IN. MAX. AND 1.400 IN. MIN.; DIA. OF BOLT CIRCLE IS 1.680 IN.; THICKNESS OF FLANGE IS 0.240 IN. MIN. AND 0.260 IN. MAX.; LENGTH OF HOUSING IS 1.400 IN. MIN. AND 1.430 IN. MAX.; ITEM USED ON AN ADAPTER ON THEF100PW0229 ENGINE/CORE MOD