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 5930-00-959-7468
NSN 5950-01-411-6227
NSN 5998-01-274-5527
NSN 5996-01-329-0918
NSN 5895-00-650-0376
NSN 6220-01-157-4937
NSN 6220-01-202-8907
NSN 5920-00-014-7686
NSN 5935-01-493-1745
NSN 6105-01-092-2362
NSN 6320-01-176-8367
NSN 6130-01-147-5594