"STEEL,ROCKWELL HARDNESS RATING B SCALE 79 MIN,TRIANGULAR SHAPE W/CLEVIS LEGS ON BOTTOM AND BEARING ON APEX,DIM.,6.600 IN. C TO C DISTANCE BETWEEN CLEVIS AND BEARING,2.372 IN. MIN,2.376 MAX INNER CLEVIS W,0.428 IN. MIN,0.438 IN. MAX LEG THK,TWO NO. 406-310-406-105 BUSHINGS INSTALLED IN CLEVIS ENDS,ONE NO. 406-310-403-101 BEARING INSTALLED IN. APEX,ITEM USED ON MAIN ROTOR CONTROLS 58D AIRCRAFT"