Quoted from undrdog:Flipper Fair wants a 7.5 amp 115v line fuse.
Pinball Life carries appropriate fuses. It’s unlikely you need 7 1/2 amp.
vid1900 suggests a 4 amp: https://pinside.com/pinball/forum/topic/replacing-line-cords-plugs-wall-sockets-vids-guide#post-1945119
https://www.pinballlife.com/1-14-fast-blow-fuses.html?Category_Code=