The 44M30-02-1-12N is a Series 44 multi-deck rotary switch featuring a 1-inch diameter with 1 Amp contact rating and non-shorting (N-type) contacts. This switch is designed with rugged construction to ensure reliable operation throughout the equipment's service life, and is available in both standard UL-recognized and military-qualified (MIL-S-3786/04) versions. The switch incorporates a 3/8-32 UNEF-2A threaded stud with integral assembly nut, a 0.375-inch diameter shaft with bushing keyway, and non-turn tab features for secure panel mounting. Key dimensional specifications include a 0.625-inch diameter flange, 0.376-inch shaft diameter, and adjustable stop washer options with optional knurled nut securing. This rotary switch is ideal for applications requiring multiple deck configurations, precise position selection, and reliable switching in demanding industrial, military, and aerospace environments where durability and performance consistency are critical.