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 5930-01-368-3398
NSN 5930-00-162-1594
NSN 5965-01-334-3980
NSN 5835-01-368-4015
NSN 6650-00-782-4624
NSN 5965-01-236-6827
NSN 5945-01-462-0703
NSN 6320-01-352-5653
NSN 6620-00-757-1950
NSN 6130-01-461-1708
NSN 6110-01-349-0648
NSN 5945-01-421-4135