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 6105-00-187-0094
NSN 6610-01-263-8999
NSN 6145-00-921-0754
NSN 4140-01-634-0330
NSN 5895-01-089-7858
NSN 6610-01-007-5997
NSN 5935-00-274-7348
NSN 5960-01-331-3817
NSN 5999-01-195-7571
NSN 5999-01-375-9742
NSN 5975-01-368-4718
NSN 6220-00-397-6910