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 6135-01-056-4609
NSN 5920-01-530-0661
NSN 6610-00-365-4454
NSN 5990-01-282-4617
NSN 5990-00-513-5328
NSN 5975-01-042-1274
NSN 7035-00-465-3298
NSN 6220-00-498-0992
NSN 6150-01-170-4307
NSN 5998-00-243-5416
NSN 6145-01-488-3158
NSN 5996-00-004-2755