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 5925-00-111-1969
NSN 6145-01-011-3231
NSN 6150-00-690-9554
NSN 6650-00-431-9541
NSN 6620-00-221-6639
NSN 5915-01-649-9834
NSN 5998-01-258-3209
NSN 2925-01-426-3410
NSN 2925-01-448-2880
NSN 4140-01-061-9849
NSN 5960-00-246-4623
NSN 6105-00-073-4424