I have a short term need for cash and wonder if I can use the 60 day rollover to take cash out of my 401(k) and then return it within 60 days. Our plan does not permit loans.

It may be possible - ask your plan administrator to see if they would allow you to take the money and return it in less than 60 days, without penalty. If you do this, make absoultely sure that you don't miss the due date - you have to have the money credited to your account within the 60 days, which means you must plan on returning the money at least a week ahead of the 60 day time limit so that the administrator has time to process it. Otherwise you risk of having this short term "loan" reclassified as a withdrawl, which would make the amount subject to income taxes and the 10% early withdrawal penalty.