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 5895-01-187-1779
NSN 5999-01-430-3312
NSN 6610-00-466-3104
NSN 6240-00-594-7138
NSN 4140-01-321-9085
NSN 6130-00-288-1886
NSN 6320-01-442-8604
NSN 5998-00-698-2085
NSN 5935-01-107-2352
NSN 5945-00-774-3669
NSN 6135-00-152-8729
NSN 6220-01-345-9644