wanted spring for craftsman aluminum jack

[onebad90lx]

I have one of the low profile aluminum jacks and recently it stopped working , I realized It looks like I am missing a spring underneith anybody have any idea where I can get one, I bought it about 5 years ago

 

[OldToolMan]

sears may still have a parts listing..maybe?

 

[BigAl62]

The spring is not listed on the parts list.