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 5905-00-582-7031
NSN 6145-01-323-6509
NSN 5990-01-400-3299
NSN 5960-01-283-7129
NSN 5965-01-577-2759
NSN 5920-00-554-0437
NSN 6150-01-517-5726
NSN 5835-01-632-6627
NSN 5895-01-338-7259
NSN 5965-01-250-5768
NSN 6650-00-716-1552
NSN 4140-00-567-9291