Momentary heavy duty push button switch SPST - normally open (NO) - Eaton 8411K11 SPST Momentary Switch NO (normally open) Pushbutton 0.75 Amp 120VAC/VDC - Non Illuminated Silver plated copper / with solder lugs Mounting hole size 11.68 mm / Operating force 1.5 lbs Hardware includes switch and one mounting nut