✅ SOLVED Help identifying brass over leather ring

[Sheldius]

Could this be a piece of Civil War equipment. Brass is folded over the leather ring under it.

 

[DCMatt]

Metal cased leather oil seal

Post Civil War.

DCMatt

 

[Retired Sarge]

Could be a washer with a leather seal like those used in vintage engines.

 

[Sheldius]

Thanks for the time.