The AML51-C10K is a square pushbutton from Honeywell's AML51 series, intended for use as a button/lens for switches and indicators. This model features a black, full-color, square design measuring 15.0 mm by 15.0 mm. It is a transmitted-color type with no legend and is constructed from durable polycarbonate for ruggedness. While it can be used for display, the black color is not recommended for lighted applications. It is easy to install and suitable for manual operations on control boards and panels in industrial equipment, process control, and medical instrumentation.