Sounds like it could be a "cam lock".
Ask to see one at your local hardware shop to see if it suits your need.
On the interior of the cabinet there should be a single screw holding the latch and a nut fixing the lock in place.
Make sure you buy the right depth of lock.
Big Softy
November 2012
I can answer this question...
we need a new barrel lock for Nathan Drinks cabinet?
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