HL8211 Push To On Button (Red)

General purpose 'push-to-on button'.

HL8211 Push To On Button (Blue)

APIELE 2Pcs 22MM Momentary Push Button Switch Red Green 1NO 1NC Metal Head XB2-11BN-G&R (1 Red 1 Green)

22MM Momentary Push Button Switch Metal Head – APIELE

Allen-Bradley 800T-N209RE1

Pushbutton Switches PB2511 - Auspicious Electrical Engineering Co

green flush complete illum push-button - Ø22 - flush - 220V AC - 1NO

FILN 2pcs R G B 19mm (3/4) 185 Symbols lMetal Push

1pc Normally Closed Momentary Self-resetting Push Button Reset

Push Button : Auber Instruments, Inc., Temperature control

Cytron Price, PDF, Arduino

22mm Momentary Mushroom Head Push Button Switch – APIELE

HL8211 Korean Air Airbus A330-223

Any idea what this button could be? The article does NOT say what

Cytron Price, PDF, Arduino