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 5990-01-591-0701
NSN 6650-01-616-5342
NSN 5835-01-390-4667
NSN 6145-01-468-3365
NSN 2925-01-279-1558
NSN 5910-01-352-7723
NSN 6110-00-950-2309
NSN 5999-00-204-9990
NSN 6135-00-166-5984
NSN 5996-01-624-7629
NSN 5960-01-182-3676
NSN 5965-01-148-4979