Original North American Aviation p/n: T.J.504-21 Hub Nut Socket Assembly as seen in the North American Special Tools Catalog on page 46. This will fit any wheel axle nut that is 1-3/4" and it is a really heavy duty tool made in the U.S.A. probably during WWII.
Even though it is in new surplus condition, buyer is responsible to make sure that this part will work for their application as there is no warranty or guarantee expressed or implied.
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