'15 GT prem PP, Disposable suspension hardware?

[Crais]

I'm replacing my rear axles, bearings, and springs.

I'm reassembling and started digging through the 15-17 Workshop manual and found this (see attached image).

1.
Remove and discard the stabilizer bar link lower nut and position the stabilizer bar link aside.

This nut didn't appear to be stressed or otherwise damaged, has a non-standard design and it's not the only bit of hardware that the manual says to discard. Rear and fore lower control arm-to-frame bolts are both discarded as well as a few other pieces.

All of this hardware appears in good or better condition and I didn't notice any features that would indicate that anything was single-use, unless the plastic insert in the nuts is the reason, but that wouldn't explain the bolts.

Can anyone share some experience with this?

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[Grintch]

OEM's for some reason like to use torque to yield bolts which are not safe to reuse.

Ford used to sell a hardware bundle with most of the required suspension fasteners. I think designed to go along with the Track Pack suspension. That might be a good stating point for getting the right hardware for any suspension upgrade.