TE Connectivity Black Button Tactile Switch, SPST 50 mA @ 24 V dc 8.02mm Part: FSM102

A black push-button switch for control panels and equipment that activates when pressed and releases when released, rated for 50 mA at 24 volts.

APEM Brown Cap Tactile Switch, SPST 50 mA @ 12 V dc 12mm Surface Mount Part: DTSM21NV

A small brown pushbutton switch used in control panels and electronic devices that activates when pressed and releases when let go.

NKK Switches Black Flat Button Tactile Switch, SPST 100 mA 0.8mm Surface Mount Part: HP0315AFKP4-S

A small black push-button switch for electronic equipment that activates when pressed and releases when let go, commonly used in control panels and device interfaces.