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 5999-00-611-3621
NSN 5925-00-529-0441
NSN 5905-01-619-4239
NSN 6145-00-789-7736
NSN 5935-01-364-9844
NSN 6150-01-587-6617
NSN 4140-00-193-8879
NSN 5985-00-241-8755
NSN 5895-00-724-3839
NSN 6135-00-161-0746
NSN 5945-01-495-0090
NSN 2925-01-183-2897