A fitting , comprising: a main body component having interior and exterior surfaces , wherein the interior surface defines a cavity extending through the main body component along an axis (A), and wherein the interior surface includes an axially inner segment , an axially intermediate segment and axially outer segment , wherein the axially intermediate segment has a radial distance (R3) from the axis (A) that is greater than a radial distance (R2) from the axis (A) to the axially inner segment and is further greater than a radial distance (R4) from the axis (A) to the axially outer segment ; and a packing arrangement maintained at least partially within the axially intermediate segment of the main body component , wherein the packing arrangement includes a lock ring having an axially outer surface , an axially inner surface , a radially outer surface , a radially inner surface , a first fin interior wall , a first fin outer wall and a hinge edge , wherein the axially outer surface extends substantially radially inwardly from the radial outer surface to a base wall , wherein the first fin outer wall extends substantially radially inwardly from the lock ring base wall to a first fin radially inner edge , wherein the first fin interior wall extends radially inwardly and axially outwardly from the hinge edge to the first fin radially inner edge , and further wherein the axially inner surface extends axially and radially inwardly from the radial outer surface to a second fin radially inner edge , and wherein the packing arrangement further includes an indicator ring comprising an expandable material abutting the lock ring . a main body component having interior and exterior surfaces , wherein the interior surface defines a cavity extending through the main body component along an axis (A), and wherein the interior surface includes an axially inner segment , an axially intermediate segment and axially outer segment , wherein the axially intermediate segment has a radial distance (R3) from the axis (A) that is greater than a radial distance (R2) from the axis (A) to the axially inner segment and is further greater than a radial distance (R4) from the axis (A) to the axially outer segment ; and a packing arrangement maintained at least partially within the axially intermediate segment of the main body component , wherein the packing arrangement includes a lock ring having an axially outer surface , an axially inner surface , a radially outer surface , a radially inner surface , a first fin interior wall , a first fin outer wall and a hinge edge , wherein the axially outer surface extends substantially radially inwardly from the radial outer surface to a base wall , wherein the first fin outer wall extends substantially radially inwardly from the lock ring base wall to a first fin radially inner edge , wherein the first fin interior wall extends radially inwardly and axially outwardly from the hinge edge to the first fin radially inner edge , and further wherein the axially inner surface extends axially and radially inwardly from the radial outer surface to a second fin radially inner edge , and wherein the packing arrangement further includes an indicator ring comprising an expandable material abutting the lock ring . <EOS>