any thoughts

[jefg231]

dug in a yard that turned up a 1918 wheatie

 

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[NOLA_Ken]

maybe some close pictures? looks like maybe an electrical connector?

 

[cheese]

Looks like a spray nozzle tip to me.

 

[Charlie P. (NY)]

I'm thinking, looking at the base, that it's some type of protective cap that is removed by screwdriver in the slot and then a 20° turn or so to clear the little teeth around the base so it will lift off. What it came from? Dunno. Old carbureators had an altitude adjustment screw and I had one with a screw-down cap about that same size. Had one on a '68 Toyota carb that had a little micrometer barrel adjustment.

 

[DirtDigler]

The slot in the end could be to accommodate a screwdriver. If there is a small hole in it, it could be a sprayer tip. We call 'em NMTs (non-descript metallic things). Gotta box of 'em. Mostly modern, mass-produced broken off pieces of machinery.