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A cargo tie down includes a retainer and a shackle. The retainer includes a barrel having a proximal end and a distal end and a flange extending radially outward from the proximal end of the barrel. The shackle includes an arcuate portion merging into a distal end of a first leg and a distal end of

A cargo tie down includes a retainer and a shackle. The retainer includes a barrel having a proximal end and a distal end and a flange extending radially outward from the proximal end of the barrel. The shackle includes an arcuate portion merging into a distal end of a first leg and a distal end of a second leg and a necking portion extending between a coupling end and an interface end. A hinge including a pin extends through the shackle and the distal end of the barrel. A proximal end of the first leg and a proximal end of the second leg are separated by a first width. The coupling end spans the first width and joins the proximal end of the first leg to the proximal end of the second leg. The width of the necking portion decreases as it extends from the coupling end to the interface end.

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1. A cargo tie down, comprising: a retainer, comprising: a barrel having a proximal end and a distal end; anda flange extending radially outward from the proximal end of the barrel;a shackle, comprising: an arcuate portion merging into a distal end of a first leg and a distal end of a second leg, wh

1. A cargo tie down, comprising: a retainer, comprising: a barrel having a proximal end and a distal end; anda flange extending radially outward from the proximal end of the barrel;a shackle, comprising: an arcuate portion merging into a distal end of a first leg and a distal end of a second leg, wherein a proximal end of the first leg and a proximal end of the second leg are separated by a first width; anda necking portion extending between a coupling end and an interface end, the coupling end spanning the first width and joining the proximal end of the first leg to the proximal end of the second leg, wherein a width of the necking portion decreases as it extends from the coupling end to the interface end; anda hinge including a pin extending through the interface end of the necking portion and the distal end of the barrel. 2. The cargo tie down of claim 1, wherein the shackle further comprises a plurality of projections extending from the interface end of the necking portion. 3. The cargo tie down of claim 2, wherein the retainer defines a channel within the distal end of the barrel. 4. The cargo tie down of claim 3, wherein the shackle includes three projections extending from the interface end of the necking portion and the channel forms a pair of blades extending from the distal end of the barrel, the three projections and the pair of blades forming an interlocking joint. 5. The cargo tie down of claim 1, wherein the first leg is angularly offset relative to the second leg. 6. The cargo tie down of claim 5, wherein the first leg and the second leg each extend between the distal end coupled to the arcuate portion and the proximal end coupled to the necking portion. 7. The cargo tie down of claim 6, wherein the distal end of the first leg and the distal end of the second leg are spaced a second width apart. 8. The cargo tie down of claim 7, wherein the second width is smaller than the first width. 9. The cargo tie down of claim 8, wherein the interface end of the necking portion defines a third width, wherein the third width is smaller than the second width. 10. The cargo tie down of claim 1, wherein the shackle includes a transverse leg that is offset from the coupling end of the necking portion, a void between the transverse leg and the coupling end forming a banding slot. 11. The cargo tie down of claim 1, wherein the flange defines an upper surface projecting from the barrel, the upper surface configured to interface with an underside of a cargo body frame member.