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 5910-01-146-4784
NSN 6220-00-399-7109
NSN 5925-00-839-0289
NSN 5925-01-063-7107
NSN 6145-01-443-8351
NSN 6220-01-324-7046
NSN 5895-00-451-3992
NSN 5925-01-049-7835
NSN 2925-01-027-1293
NSN 5990-01-408-6554
NSN 5930-00-184-6026
NSN 5835-01-259-0859