Is an O Ring the Same as a Washer

An o-ring usually (but not always) has a round section and is made of a compressible material such as rubber, neoprene, silicon etc. A washer tends to have a square or rectangular section and is usually made of a harder material brass, copper, aluminium, steel etc.

Can you use o-ring instead of washer?

5 Answers. Actually there is an o-ring that works far better than those typical flat or squared edge washers – it has a larger diameter (fatter) and seals better than anything I’ve ever used. Walmart has them as well as many other retailers. Hose rings are flat to accommodate various types of male end connections.

What is a rubber washer called?

Neoprene rubber washers Neoprene is a common material in general-purpose elastomer applications.