DISPLAY, OPTOELECTRONIC, INDICATOR, DIGITAL, INCANDESCENT (STYLE I), SEGMENTED, DOT PATTERN AND BAR PATTERN, TYPE RO4 (REPLACEMENT PARTS FOR TYPE RO3 DISPLAY ASSEMBLY) (SUPERSEDING MIL-R-28803/4B)
RO4型(RO3型显示器组件的替换零件)分段式点型和条形数字白炽灯(I型)光电指示器显示器(取代MIL-R-28803/4B)