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 5990-01-045-2129
NSN 6135-01-618-2199
NSN 5985-01-441-3125
NSN 6620-01-633-8443
NSN 5895-00-323-0642
NSN 5996-01-275-0706
NSN 6130-01-312-1545
NSN 6105-01-036-8587
NSN 5999-00-187-2767
NSN 5990-01-034-4532
NSN 6145-01-211-6135
NSN 5998-00-944-4969