You can always put a tube in it. That's what I did to a tire with a cracked in the sidewall edge and use it as my spare.
Retired my 94 YJ 4cyl 5spd @ 200K
Now in a 04 TJ 4cyl 5spd CV @120K+
Both as a commuter vehicle in NW, NJ
April 2012.downsized and now a 99er.