Anderson Hickey AH2194 15400/2194 push-in locks will work for vertical file cabinets with an oval or oblong mounting hole that have a measurement of 1" high and 3/4" wide.
AH2194 locks come with the lock cylinder, plastic lock housing/sleeve, 2 styles of cams, round fastener, and 2 keys.
You can even buy the parts separately if you're only looking to replace one or two components!
The locks come keyed alike to lock number 1 or keyed different. Keyed different locks are keyed to random numbers.