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 2925-01-608-6895
NSN 6220-01-024-9444
NSN 6105-01-341-0681
NSN 6135-01-518-9813
NSN 4140-01-446-1022
NSN 6645-01-418-1657
NSN 5925-00-473-2622
NSN 5905-01-485-3050
NSN 6240-00-968-9274
NSN 6220-01-447-7841
NSN 5920-00-955-9392
NSN 6110-01-356-4735