描述

The 44M30-01-1-03N is a Series 44 multi-deck rotary switch manufactured by Grayhill, designed for rugged industrial and military applications requiring reliable switching operations. This switch features a 1-inch diameter with a 1 ampere current rating, non-shorting contact configuration, and is MIL-S-3786/04 qualified for military use. The switch incorporates a 3/8-32 NEF-2A threaded bushing with integral assembly nut, a non-turn tab measuring 0.125 ± 0.003 inches wide by 0.031 ± 0.003 inches thick, and a bushing keyway of 0.066 ± 0.002 inches wide by 0.036 ± 0.003 inches deep. With adjustable stop capabilities and multiple deck configurations available (supporting up to 12 decks), this switch is ideal for control panels, instrumentation systems, and equipment requiring precise position selection with long operational life and rugged construction.