Omron Illuminated Push Button Switch, Momentary, Panel Mount, 8mm Cutout, SPST

Cylindrical push-button switches and indicators for panel mounting
SPST normally open switch units with LED illumination
Indicator only units with LED illumination

Switch & indicator lenses are not interchangeable
Indicator units and switch body's typically require a lens for completion, for lenses see typically stock no's 3664225 (indicator) and 3663991 (switch)