Wheel of Fortune

 is a quest in Fallout: New Vegas.

Quick walkthrough
This quest is given by the Merc inside the NCR Storage Room inside Camp Searchlight after hacking the computer and talking to the Merc again.

Detailed walkthrough
A group of Mercenaries inside the NCR Storage Room are looking for Radiation Suits. After hacking the computer you have to go to Nipton to talk to Boxcars to find out where the Radiation Suits went. You go to a cave North of Nipton to find a radation suit and a a Box of radiation suits (Average Lock on the door). You go back to the Mercenaries and turn in the suits then you raid the Police station looking for NCR materials. The parts needed are: After obtaining those parts, you travel to the Fire Station, where you encounter a Radscorpion Queen. Upon defeating her, you travel to the heavily-irradiated upper level, where you will be told to look for more NCR Parts. It doesn't seem to matter how many you find, for returning to Logan with any quantity will present the dialogue option, "This is all I could find". Logan will thank you, and then attempt to kill you as a reward.
 * 2 NCR Radio Parts
 * 2 NCR Computer Parts
 * 3 NCR Grenades
 * NCR Grenade Rifle
 * NCR 9mm Submachine Gun
 * NCR 10mm pistol