what are these clips called?

[armalites]

Baker & Finnemore Brimingham
Star lock washers.
http://www.bakfin.com/

Box quantity 10,000 may be an issue but there are plenty on ebay

 

[WorkshopChris]

Box quantity 10,000 may be an issue but there are plenty on ebay

All depends how many you use, i can get 1000 from them direct at the same price my local fixing wholesaler wants for 100.

 

[Seadog]

You know why Seadog. You don't have an IBM golfball typewriter to repair. Or a Remington golfball typewriter.

That would explain why I had them though. The computer maintenance company I joined in 84 would have maintained these, so they formed part of the standard tool kit.
I only got to work on Rutishauser and Mannesman Tally printers though. Still, I've two sets of Bristols to play with