(ET) What is a Belleville washer?

[ThompsonG DFO-MPO GC CA]

Title: Message

Hi

I am still working on the old style brake for my E12 I've got it all back together and replace all the missing parts. I am at the point were I am adjusting the brake with the castellated bolt, the parts diagram in the shop manual show the bolt a 5MM washer and then three Belleville washers. Currently I have only the bolt. What is a Belleville washer? 

 

Geof Thompson BSc. CLS
Canadian Hydrographic Service           | Service Hydrographique du Canada
Fisheries and Oceans Canada             | Pêches et Océans Canada
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