I wonder if this nut, if not every nut on an ETOPS airliner (or in general), has a specific torque value. If adjusting the torque can open up a gap, presumably

I wonder if this nut, if not every nut on an ETOPS airliner (or in general), has a specific torque value. If adjusting the torque can open up a gap, presumably doing so could close one as well.