Square used as SPST - 2 pin Molex connector 2.54 mm spacing KK254 Molex connector2 pin Molex header 2.54 mm 2x5 Audio Jack, 2 Poles (Mono / TS) | | | | | | D3, D4, D5, D8, D9, D10 100V 0.15A standard switching diode, DO-35Push button switch, push-to-open, generic, two pins K switch normally-open pushbutton push-button LED D MEC 5E single pole normally-open illuminated tactile switch D Switch, triple pole double throw, center OFF position K switch normally-open pushbutton push-button D Push button switch, generic, two pins D Momentary Switch, single pole triple throw, 3 position switch, SP3T K switch single-pole double-throw spdt ON-ON D.