I have a 89 chevy suburban with a broken rear axle shaft.?

I need to know what other year axles would work,how far can i go back and how far ahead in years,also will chevy pick up trucks work.My axle is a 30 spline,5 lug,8.5 inch ring gear,10 bolt rear end.I am having a heck of a time finding one anywhere but new,no ebay,no junkyards,nowhere ,any help would be great,Thanks