The GRAYHILL part 56SP30-01-2-04N is a rotary switch with a DP4T configuration. It features a 4-flatted shaft and is designed to be mounted on a PCB using its PC pins. This switch has a maximum current rating of 0.2A and can handle voltage inputs of up to 115VAC or 30VDC. It is a reliable and versatile component that can be used in various applications requiring precise and efficient switching functionality.