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 5990-01-645-2592
NSN 6685-00-631-0532
NSN 5920-00-633-0404
NSN 5935-01-156-1435
NSN 5930-01-212-4763
NSN 5985-00-134-8387
NSN 5895-01-383-1369
NSN 5990-00-226-7894
NSN 6150-00-518-4558
NSN 5999-00-390-1324
NSN 5999-00-127-8125
NSN 6240-01-106-2447