a brass or copper what is it.

[alabama11]

Hello all,
Thank you for viewing this thread.
I am sure someone knows what this is. Dimensions are 3/4 inch for the opening, 1 3/8 inches for the diameter of the entire width, and 5/8 inches for the thickness. There is farming and civil war behavior in the area. My guess is farming. Best,

 

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[kcm]

Reminds me of part of a piece of garage door hardware - the ball bearing roller. So, maybe something like a ball bearing from some machinery?

 

[BagLady]

Great minds think alike...
I was thinking some kind of ball bearing seal.

 

[vhs07]

Looks like a decoration piece from a brass bed

 

[K1DDO1979]

Probably the ring part of a old door knob...

Some door knobs were very small.

 

[Bruce R]

Looks like something from a pump or valve, would've had graphite rope packing inside.