"Joe" wrote in message
...
Anyone know of a source of really thin / low thrust belleville washers?
...I'd like to find some about the same strength as a few wave washers...
But they don't seem to exist.

Lacking a source for the particular thrust you need, you might anneal some
spring stock, "coin" your own washers, then re-temper them. It's not as
difficult nor time-consuming as it sounds.

Surprisingly, most hardware stores sell very thin spring washers in both
wave and Belville styles. If the thrust (or travel) of the thin washer is
not sufficient, you can stack them (in parallel, or all stacked the same
way) to increase thrust, or in series (face to face and back to back) to
increase travel.

LLoyd