Chicony E8H5IKKB-5191 KB-5192 and 05185 . What keyswitch is it?

[torpedine]

Hello.
Today I received two keyboards:

Chicony E8H5IKKB-5191  05185 with Cherry MX Blue switches


Chicony E8H5IKKB-5191 KB-5192 with switches I don't know.


Feels like a Futaba Korean Gong and looks like a Futaba switch, but have MX compatible keycaps..  More stiff than MX Blue switch, less tactile and with a noisy "CLANG" bottoming out.
Can you help me to recognize this switch?

Thanks.

[IvanIvanovich]

Those are 'inverse' Futaba. Chicony is always fun, never know if it will be Cherry, Monterry, Futaba, Taiwan white axis or something else... they have the most unhelpful part numbers as they use all sorts of different configurations for the same 'model'.

[Findecanor]

I may be mistaken, but I think that the Chicony 5181 has Alps-compatible keycaps, while the Chicony 5191 has Cherry-compatible keycaps. The key switches themselves can have different pins and plates.

[IvanIvanovich]

I have a 5181 with MX blues so... I gave up trying to figure it out. The only thing I think holds true is that 51XX are all mechanical of some sort.

[torpedine]

Thank you.
I never seen before an "inverse" Futaba switch.