A-A-186A, COMMERCIAL ITEM DESCRIPTION: ERASER, BLACKBOARD (06 NOV 1989) [SUPERSEDES GG-E-651] [NO S/S DOCUMENT]

A-A-186A, COMMERCIAL ITEM DESCRIPTION: ERASER, BLACKBOARD (06 NOV 1989) [SUPERSEDES GG-E-651] [NO S/S DOCUMENT]., This commercial item description covers an eraser used to erase chalk marks from blackboards and chalkboards.