Special Features:

Lexan or similar translucent material, dimensions approximate 0.688 in. Wide by 1.125 in. Long by 0.562 in. High, yellow color, this key cap assembly, consisting of 1 key cap, and 1 insert l plunger has black 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 ij-4224, the word asterisk clear asterisk is engraved on this key cap, 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, manfacturer data, george risk industries, inc. 24229 columbus, neb., p/n 2-128-004-1a; function, dey cap, "clear"; reference data 3a1a1mp1, ti-6310.8a, instruction book, arts iii data entry and display subsystem, vol ii, sec 10-11, pg 10-63

Properties:

An item usually marked with letter(s), numeral(s), or other character(s) designed to be attached to a key lever of a typewriter, accounting and calculating machien, office type composing machine keyboard or keyboard, data entry for the purpose of affording fingertip operation.