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 5960-00-892-8632
NSN 6620-01-651-5425
NSN 6685-01-443-2983
NSN 5985-01-512-7785
NSN 5965-01-582-2182
NSN 6650-01-468-7704
NSN 5920-00-150-1148
NSN 6645-00-893-4190
NSN 6240-00-717-0844
NSN 5985-00-947-2699
NSN 6650-01-063-8356
NSN 6240-00-381-5833