Special Features:

Surface finish: front, back, face and edges finished w/xpa lusterless black paint federal standard 595 no.37038, white lettering; each corner notched 0.234 in.W by 0.769 in.Lg w/inside corner radius 0.234 in.Nom; three light holes 0.437 in.Min, 0.444 in.Max dia, two located 0.730 in., 4.960 in.From left edge and 1.280 in.From bottom; one located 2.850 in.From left edge and 2.890 in.From bottom; five holes 0.686 in.Min, 0.698 in.Max dia; three holes located 1.600 in., 2.850 in.And 4.100 in.From left edge and 0.730 in.From bottom; two holes located 1.600 in.And 4.100 in.From left edge and 2.380 in.From bottom

Properties:

An item composed of a coated transparent or partly transparent/partly opaque materiels, engraved with letters, words and/or symbols, designed to allow light to be transmitted through the engraving(s) for indicating purposes. It may have an electrical lighting circuit either on a removable printed circuit board or embedded within the panel. The circuit may have removable or nonremovable electroluminescent and/or incandescent lamps for lighting. Dials and/or switches may be included. Excludes display, optelectronic. See also indicator (as modified), and light (1), indicator