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 5999-01-179-2796
NSN 5975-01-479-8956
NSN 6220-00-126-2691
NSN 5925-00-608-0973
NSN 6110-00-900-3970
NSN 6240-00-132-5375
NSN 6105-00-985-4926
NSN 5915-00-503-5576
NSN 5960-01-632-6576
NSN 6320-00-466-0371
NSN 5975-01-023-1592
NSN 5960-01-211-2089