✅ SOLVED Cannonball guy / fuse?

[etex]

Fuse? Hexagonal Head.Unable to find anything with head close to this except British.

 

[Rookster]

I was thinking CW fuses we're Counter sunk.

 

[etex]

If it had a round head I would be sure it is a fuse, but the head is what has me questioning it. May be a piece of crap.

 

[Plug N Play]

There's quite a variety of "gauge sensors", automotive etc., that resemble this piece.

https://www.google.com/search?hl=en...35i39k1j0i8i30k1j0i24k1.0.RJSpOAasoCM#imgrc=_

 

[nsdq]

Spark plug

 

[chub]

Spark plug

Close. It looks very much like a diesel glow plug to me.

Chub

 

[chub]

https://www.malpasonline.co.uk/itm/Tractor-Ignition-Glow-Plugs/Glow-Plug/67823

Tractor glow plug

chub

 

[etex]

Well have had crap that turned out to be something and what I thought might be so something turned out to be crap

 

[nsdq]

Older type plugs were two piece and adjustable , look up model T plugs