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 5999-01-613-4180
NSN 5935-00-202-5248
NSN 6105-00-144-1754
NSN 6645-00-076-3317
NSN 5999-01-063-7408
NSN 4140-01-023-8846
NSN 6240-00-231-0761
NSN 5930-00-013-9823
NSN 6650-01-449-1413
NSN 6650-01-428-9958
NSN 6135-00-488-4478
NSN 5930-00-332-9031