The 51A22-01-1-16N is a single-deck rotary switch from Grayhill's Series 51 designed for applications requiring precise position selection with a compact form factor. This switch features 1 pole with 16 positions per pole, a 22.5° angle of throw, and a 200mA contact rating, with a 0.5" diameter and 0.698" behind-panel depth. The switch offers PC mount or solder lug termination options, positive shaft grounding for EMI/RFI shielding, and an optional complete seal for PC board assembly and cleaning. With non-shorting contacts and a 1/8" standard shaft, this rotary switch is well-suited for industrial control panels, test equipment, and instrumentation applications where reliable multi-position switching is required.