Special Features:

Dimensions in inches: 5.630 long one end, 4.334 long other end, 2.681 wide one end, 4.380 wide other end; letter stroke width 0.018 wide, 0.021 wide for 0.190 height letters; 0.015 wide, 0.018 for 0.160 height letters; 0.012 0.015 for 0.130 height letters; printed circuit board to be flush to 0.010 above mounting surface; shape of lamp panel per sheet 36; 0.230 thick press collar flush to 0.010 above flush with black surface, typical 4 places; counterbore 0.720 diameter by 0.170 deep, 0.500 diameter hole, typical 5 places light emitting dashed groove 0.015 , 0.025 wide by 0.250 long lines with 0.120 spaces, typical nearside

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