Describe the proper sequence for installing a nested wave spring into a deep blind hole.

Installing nested wave springs into deep blind holes requires a dedicated insertion tool to prevent the turns from tangling or 'shingling' (where layers overlap incorrectly). The tool should be a plunger with a diameter slightly smaller than the spring $ID$. The spring is pre-compressed onto the tool, then inserted. It is vital to ensure that the individual layers are seated flush against the bottom of the hole. For high-volume automotive assembly, automated pick-and-place systems use a vacuum-assisted mandrel that holds the spring by its $ID$, ensuring that the multiple turns remain perfectly concentric during the high-speed insertion into the transmission housing.