Special Features:

Material document and classification: mil-p-5426b, finish a; surface finish: painted black over white; panel divided in center by horizontal 0.020 in.Thk white line, top half drilled w/5 holes, various dia; 3 holes 0.531 in.From top; 2 holes 1.100 in.Center to center distance from top holes, bottom half drilled w/six holes, various dia; 2 holes 2.700 in.Center to center distance from top and 1.900 in.Horizontal center to center distance; 3 holes 3.900 in.Center to center distance from top; 1 hole 4.700 in.Center to center distance from top, corners notched 0.379 in.Deep by 0.749 in.Lg, used as panel, overhead, electric and hydr power

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