Round iron object on surface.

[bartshop62]

Found on surface in 1800s house site in civil war battle area. What could it be? I dont know. How old is it?

 

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[Toecutter]

looks like the part that holds the dumb bells on a weight lifting bar...

 

[xr7ator]

I agree with toecutter. Please dispose of properly.

 

[mjb Mike]

looks like an axle nut a key way goes in the slot to keep it from backing off is there threads on the inside

 

[erfranks]

Looks like to me to be outer hub off wagon axle, I find them a lot around farms

 

[bartshop62]

looks like an axle nut a key way goes in the slot to keep it from backing off is there threads on the inside

No threads

 

[bowwinkles]

No threads

Vintage axle hub nut keyed washer

 

[Tony in SC]

I think that style is called a bolster washer?

 

[xaos]

pure 100% JUNK!