6-1437622-4 is a two-toned rotary knob from the KN Series, featuring a black body with a natural (white) top, designed for 1/4" shafts. The knob has overall dimensions of 0.750 inches (19.1 mm) for dimension A, 0.695 inches (17.7 mm) for dimension B, 0.590 inches (15.0 mm) for dimension C, 0.695 inches (17.7 mm) for dimension D, 0.625 inches (15.9 mm) for dimension E, 0.512 inches (13.0 mm) for dimension F, and 0.456 inches (11.58 mm) for dimension G. This knob is commonly used with rotary switches and potentiometers in control panels, instrumentation, and audio equipment where visual distinction and ergonomic operation are important.