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 5925-01-459-7882
NSN 6650-01-399-0628
NSN 5935-01-266-2237
NSN 4140-01-511-0286
NSN 5965-00-940-8699
NSN 5930-01-388-0865
NSN 5965-00-226-7870
NSN 6110-01-426-5617
NSN 6645-00-527-6531
NSN 5920-01-283-2611
NSN 5960-01-628-2760
NSN 5930-00-264-6334