Model SW44212 combines rotary switch and potentiometer in package measuring 0.52 x 0.52 x 0.655 in. Nonilluminated switch has silver-plated contacts and provides tactile click for on/off confirmation. Rated 30 Vdc or 115 Vac, it is sealed per IP 67 specs and survives 50 G shock and 10-55 MHz vibration. Shaft is 0.125 in. dia x 0.5, 0.875, or 2.5 in. long.