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 6130-01-432-2415
NSN 7035-01-516-2655
NSN 5920-01-271-9140
NSN 5925-01-165-9913
NSN 5945-01-406-4352
NSN 5950-01-598-9758
NSN 5835-01-442-6079
NSN 6650-01-429-9242
NSN 5960-00-557-6951
NSN 7035-00-171-0804
NSN 6150-01-563-9742
NSN 5985-01-258-9200