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 6150-01-398-6907
NSN 6105-01-608-3974
NSN 6620-01-391-7331
NSN 6135-00-235-1938
NSN 6145-01-194-3086
NSN 6220-00-171-8638
NSN 5999-01-288-2343
NSN 5945-01-474-5583
NSN 5920-01-619-2621
NSN 5999-00-862-3437
NSN 6240-00-187-4306
NSN 5925-01-518-9958