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 5835-01-408-2503
NSN 6610-00-801-4652
NSN 6130-01-145-3029
NSN 5935-00-966-2803
NSN 5920-00-914-2707
NSN 6105-01-278-9220
NSN 6145-01-509-1851
NSN 5985-01-634-0635
NSN 6220-01-388-1757
NSN 6685-00-469-9323
NSN 6150-00-069-0712
NSN 5855-01-428-9456