No Idea

[Kevo_DFX]

This thing is about 2.5 inches in diameter. I have 20 or so of them that I found in a lot of old tools I purchased. Some of the things in the lot were quite valuable, so I am reluctant to chuck these until I know what they are.



Thank you for any help!

 

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[ARC]

side lip view please.

 

[Kevo_DFX]

I do not have a photo of that, but it is flat. No threading at all, which surprised me.

 

[ARC]

I am thinking some kind of "plug"...
like sink plug... industrial...
OR "cap" of some sort...
more than likely it would have been used in a "water" environment due to the material.

 

[Charlie P. (NY)]

Are all 20 of them identical or does the thickness or width of the raised portion vary?

 

[ARC]

It looks so familiar to me.
Just cant get the square peg in the round hole. heh.

 

[Kevo_DFX]

Are all 20 of them identical or does the thickness or width of the raised portion vary?

My initial thought is that they are all exactly the same, but I would have to have them in front of me to check. All of them do have the same numbers in the base.

 

[pkb]

old freeze plugs for blocks ?

 

[Broken knee]

It kinda reminds me of a floor mounted electric outlet cover? HH
BK

 

[cudamark]

What type of metal?

 

[rick67]

this is a freeze plug for model T.
Looks a lot like old style freeze plug.

 

[Kevo_DFX]

My initial guess was a freeze plug as well, but after an exhaustive search I have found no matches, or even one with a "handle" on the outward facing side. I believe the item is pot metal.

 

[vhs07]

Some type or bench dog?