New Keithley DMM6500 and now DAQ6510

[maxspb69]

This simple part prevents the PCB deformation  when the front/rear input switch button used.

[voltsandjolts]

Is this part fixed to the metal case, with double sided tape or such like?

[maxspb69]

No, this part simply fits over the PCB edge and prevents it from bending upward when the button is pressed. The upper part  rests on the cover of the device housing.
No additional fastening is required.

[bateau020]

Maybe it is the print house I used, but with 0.1mm resolution in PLA Pro, it fits really tight. So tight that the friction between the PCB and the sidewall is enough to stop the pcb from flexing. And it is really snug to the top. As I'm using the rear/front switch a lot (along with my custom scanner card and breakout box) this is perfect for me.