Special Features:

4 holes 0.220 min, 0.250 max radius; 3 grommet holes 0.311 min, 0.318 max radius; 5 holes 0.515 min, 0.546 max radius counterbore, 0.735 min, 0.765 max diameter by 0.125 min, 0.156 max in. Deep; all counterbored holes 0.016 outer radius permissible

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