The 71L30-01-6-02N is a multi-deck rotary switch from Grayhill's Series 71 line, featuring a 30° angle of throw and 1/4 amp contact rating with keylock functionality for position security. This switch incorporates molded-in position terminals and is available with choice of shaft/bushing diameters (0.125" or 0.250"), with a standard bushing diameter of 0.687 ± 0.015 inches and 1/4-32 UNEF-2A or 3/8-32 UNEF-2A threading depending on shaft style. The keylock mechanism uses brass keys (2 supplied), stainless steel lock bezel, and zinc-treated lock barrel with chromate finish, with bushing flats positioned on both sides of the mounting thread. The switch is military qualified to MIL-DTL-3786/39 and supports 1 deck configuration with 6 poles per deck and 2 positions per pole, with non-shorting contact type. This design is ideal for applications requiring secure, indexed position selection in industrial control panels, test equipment, and military systems where accidental position changes must be prevented.