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 6620-01-524-0583
NSN 5999-00-962-0359
NSN 6110-01-123-3240
NSN 6130-00-162-6705
NSN 5985-00-288-6001
NSN 6645-01-078-4887
NSN 5990-01-248-0108
NSN 6110-01-048-7725
NSN 6110-00-812-0226
NSN 7035-00-703-3535
NSN 5930-01-109-4239
NSN 6105-00-736-1073