Some type of gear doohickey

[thedukeofdelaware]

1.37 inches long, bigger diameter is 0.75 inch and smaller diameter is 0.51 inch. Anyone know what it is and how old?

 

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[skeeterd]

Its part of a brass float valve, where the float attaches to the the valve. Modern.

 

[Tony in SC]

That's probably it but that type of adjuster us used on many things.

 

[mojjax]

I was thinking a window latch thing ?

 

[relic nut]

Looks like the adjustment for an outside light

HH, RN

 

[bradyboy]

what's it made of?
Its not a gear - there would have been a matching surface that it would be bolted to for incremental adjustment
Brady

 

[TomPA]

I've seen similar doohickeys on flag holders used as the angle adjustment doohickey.