| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL 4140; FIRST END INTERNALLY THREADED,3.500 IN.-16UN 2B; SECOND END EXTERNALLY THREADED,3.500 IN.-8UN 2A; 1.890 IN. LG O/A; 4.530 IN. OD AT FIRST END; FOUR 0.300 IN. W BY 0.247 IN. DEEP GROOVES SPACED 90.0 DEG C TO C ON OD OF FIRST END; COMPONENT OF MAIN ROTOR |