Endstone Thickness - How Critical?

[64americandeluxe]

I need to replace an endstone (Incabloc 121.11) on a ST 96 movement. My local supplier has one that is 0.09 mm thinner than the correct one. Will the Incabloc spring be able to take up the extra slack and properly control end float, or am I flirting with disaster?

I can buy the correct one online, but it would be quicker and cheaper to buy it from my local parts supplier.

Cheers!

Roger

[rogart63]

I think you should go for the correct one . Because it's thinner it may ride on the pivot . The space inside is smaller . 

[perpetual92]

The spring should in a sense curve over the end stone when the spring is set with a fair degree of tension. The only way to know is to try the stone out.

[64americandeluxe]

I decided that installing an endstone that "might" work would skew any further diagnosis I might encounter, so I decided to order the correct one.  I found the correct endstone online at a reasonable price.  Now I just have to wait for it to arrive.  Thanks for your input!

Roger

Edited November 13, 2015 by 64americandeluxe