A-A-186, COMMERCIAL ITEM DESCRIPTION: ERASER, BLACKBOARD (09 SEP 1981) [SUPERSEDES GG-E-651] [NO S/S DOCUMENT]

A-A-186, COMMERCIAL ITEM DESCRIPTION: ERASER, BLACKBOARD (09 SEP 1981) [SUPERSEDES GG-E-651] [NO S/S DOCUMENT]., This commercial item description covers a gray eraser used to erase chalk marks from blackboards and chalkboards.