Heat treated
A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.
Classification: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses
NSN 6650-01-094-0133
NSN 6240-01-339-5100
NSN 6110-01-466-6395
NSN 5935-01-426-8969
NSN 5999-00-431-9230
NSN 5935-01-551-4040
NSN 5835-00-518-4507
NSN 5895-00-263-0755
NSN 6130-01-028-8609
NSN 5965-00-849-1313
NSN 6135-01-027-7543
NSN 5998-01-440-9667