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 5935-01-184-0930
NSN 5895-01-508-4343
NSN 6650-00-299-9681
NSN 6110-01-065-4469
NSN 6135-00-990-1822
NSN 5835-01-654-1251
NSN 6105-01-048-9962
NSN 5935-01-492-5729
NSN 6130-00-862-0905
NSN 5935-01-590-9846
NSN 6685-01-010-3234
NSN 5855-01-406-8109