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 6135-01-255-9129
NSN 5945-01-607-6394
NSN 6105-01-008-2296
NSN 5930-01-517-0409
NSN 6130-01-324-3979
NSN 5945-01-416-6101
NSN 5935-01-199-1274
NSN 5930-01-130-6507
NSN 5985-01-446-2027
NSN 5895-00-023-4438
NSN 5930-00-353-4235
NSN 5990-01-384-9747