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 4140-01-344-2179
NSN 6220-00-628-4721
NSN 2925-01-067-4446
NSN 5975-00-449-1209
NSN 5930-01-521-7454
NSN 6620-00-140-8644
NSN 6145-00-378-3836
NSN 5915-01-287-1116
NSN 6130-00-522-1807
NSN 5905-01-046-9626
NSN 2925-00-494-5537
NSN 6130-01-025-5995