Internet Horology Club 185
Illinois mainspring part number

This topic can be found at:
https://ihc185.infopop.cc/eve/forums/a/tpc/f/1086047761/m/3843946957

March 15, 2011, 08:58
Jim Bielefeldt
Illinois mainspring part number
Hi Hi

I am in need of a part number for the mainspring for my latest addition . During cleaning I noticed that the mainspring was broke in half. I would like to replace it, but I'm not sure which one and cant find a site with the info. The serial is 1811996. Thanks in advance.

Jim
March 15, 2011, 22:52
David Abbe
That should be Illinois factory catalog order number 6840, part number 124, or catalog order number 6841, part number 573. Either should work.
March 16, 2011, 09:10
Jim Bielefeldt
Thanks David, now the search begins. Smile
March 16, 2011, 14:36
David Abbe
Jim, I have a good workable used one you can have free or a new White Steel one you can have for $20.00 ppd.

E-mail me with what you prefer to;

david@glopar.com
March 17, 2011, 16:22
Jim Bielefeldt
Thanks David,
Is the whits steel one of those that shouldnt break?
March 17, 2011, 17:44
David Abbe
White steel springs last longer.