The Grayhill 71MB30-01-4-02N is a robust multi-deck rotary switch designed for demanding applications. It combines performance and value, featuring molded-in position terminals for reliable contact and a selection of shaft/bushing diameters to suit various panel thicknesses. Qualified to military standard MIL-DTL-3786/39, this switch is suitable for use in military, industrial, and commercial equipment requiring reliable switching functionality. Its multi-deck design allows for multiple circuit selections from a single shaft rotation, reducing complexity and space requirements.