Miniature Push Button Switch Contact Form SPST Number of Connections 2 Switch Function On/Off Terminals Screw Mounting Hole 1/2 in dia AC Contact Rating 3A @ 250V AC 6A @ 125V AC Stem Length 16.4 mm Stem Dia and Thread Size 10.3mm x 15/32-32UNS-2A Operating Temp Range To 149 Degrees F Standards UL