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 6240-00-027-2680
NSN 5920-00-087-8994
NSN 5935-00-291-4910
NSN 5945-01-203-6837
NSN 2925-01-642-8954
NSN 5910-01-044-7485
NSN 5990-00-170-4239
NSN 6240-01-060-6037
NSN 6240-00-364-0850
NSN 6145-01-377-8470
NSN 6685-01-325-3028
NSN 5905-01-462-1832