Nice to hear your family is better, not perfect, but they are here.
Kudos to you for taking care of everyone like you are. Hang in there, and enjoy having a little of your own time, to turn some wrenches again.
Its good for the soul.
Never heard of only one time use for this one, as there is not really any load on it.
Only for u-bolts as they get stretched each time they are installed.
If it were mine, I would use the same harmonic balancer bolt till the truck rusts back to the earth it came from
'81 CJ5 Base, 258 I6, MC2100, T176 4 spd, 300 TC, D30 Front NT, 3.31, 2-Piece AMC 20 rear NT, 3.31, 4" high arc spring lift
'84 Grand Wagoneer, 401 V8 (.030 over), MC2150 HA Comp, 727 auto, Selec-trac NP229, AMC 20 REAR - D44 FRONT - WT 3.31, 4" high arc spring lift
Rather be driving, than waiting to be modified