Fitting Subassembly with Retained Ferrule

A fitting subassembly comprising:

• a threaded fitting nut that can be joined with a threaded fitting body to form a fitting assembly, the fitting nut including a radial drive surface and an interior wall defining a socket;
• and
• a ferrule at least partially disposed in the socket;
• and
• a retaining member separate from and retained in a recess in the fitting nut;
• wherein the retaining member retains said ferrule with said fitting nut when the retaining member is in a first position prior to said fitting nut being assembled with said fitting body, the retaining member being movable to a second position within the fitting nut to release the ferrule from the fitting nut;
• and
• wherein the retaining member is radially movable from the first position to the second position.