Weird brass/copper items ?

[keossvin]

Hello Tnet,
Found this 2 copper items in a forrest here in the Netherlands.
I think its something ww2 related but not sure..
Anybody knows what it could be ?

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[Tony in SC]

The bottom piece looks like a thrust bearing race, but they are not made of brass. Part of an artillery shell?

 

[Snowmansta]

Do you or can you post some side views. Looks like a shell bottom off a 105mm steel cased shell. Also measure it inner hole and outside diameter and if it looks like a little lip for a shell that diameter as well and also after cleaning it are there any words on it

this is a shell i have stamped 1975 105 mm m14b4. If this was left in the ground the base would be the only thing left. The smaller one def looks like a primer piece tho i know alot of people who collect old ammo and are part of big forums for them so far i only have found 1 item to stump them and i mean literally no info on my item at all but i could send him the pictures and measurements and tell you exactly what it is.

 

[vhs07]

Looks like part of a floor box cover