DISREGARDING ANY GROUNDING CONDUCTORS, WHAT IS THE MAXIMUM NUMBER OF TYPE THHN SIZE 14 AWG INSULATED CONDUCTORS ALLOWED IN 3/8″ FLEXIBLE METAL CONDUIT (WITH FITTINGS INSIDE THE CONDUIT)?

DISREGARDING ANY GROUNDING CONDUCTORS, WHAT IS THE MAXIMUM NUMBER OF TYPE THHN SIZE 14 AWG INSULATED CONDUCTORS ALLOWED IN 3/8″ FLEXIBLE METAL CONDUIT (WITH FITTINGS INSIDE THE CONDUIT)?