Glass having both surfaces ground to form parallel planes or parallel planes formed by flowing molten glass onto molten or semimolten metal. It may have an imbedded wire mesh and may be evenly processed (etched, sandblasted, and the like) (no discernible pattern), fire finished (glossy smooth), polished, or rough ground on one or both surfaces or any combination thereof.
NSN 4140-01-571-9155
NSN 5990-00-932-3070
NSN 5975-01-530-7610
NSN 5996-01-375-1535
NSN 6650-01-555-8819
NSN 4140-00-555-3856
NSN 2925-01-361-5310
NSN 5935-00-957-9208
NSN 5999-01-545-9340
NSN 5945-01-658-8764
NSN 5960-01-462-7704
NSN 6150-00-910-2574