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 5915-01-202-8426
NSN 6645-01-267-5505
NSN 6110-01-312-1044
NSN 6220-00-470-6828
NSN 5945-00-620-5891
NSN 7035-01-317-4227
NSN 7035-00-193-2269
NSN 5935-01-577-2043
NSN 2925-01-280-1911
NSN 6150-01-006-5730
NSN 6105-00-127-2993
NSN 5930-00-853-4427