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 5975-01-282-9352
NSN 6240-01-442-5114
NSN 5925-00-001-7446
NSN 5950-00-918-0474
NSN 5895-01-158-6357
NSN 6130-00-758-1167
NSN 5965-01-620-5320
NSN 5935-01-254-2968
NSN 5920-01-523-6311
NSN 5910-01-303-7088
NSN 5925-00-205-2767
NSN 6110-01-463-6986