General Description:
3242 lexan translucent material, dimensions approximate 0.688 in. Square by 0.562 in. High, green color, this key cap assembly., consisting of 1 each key cap and 1 each insert k plunger has white engraving, the characters to be 0.125 in. High and 0.020 in. Line width, the engraved lettering shall be opaque so lettering will appear black in a darkened room key caps are internally illuminated, this key cap is style or type j-3242 the character s asterisk f10 asterisk are engraved on this key cap, application data, p/o key module assembly, texas instruments, inc., p/n 684579-2, end item, automated radar terminal system - arts iii, texas instruments, inc. P/n, 729408-1, manufacturer data, george risk industries, inc. 24229 columbus, nebraska, p/n, 2-128-004-16a
Federal Aviation Administration