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 5925-00-068-0740
NSN 5920-01-373-4629
NSN 5945-01-383-5900
NSN 5965-01-226-7077
NSN 5999-00-518-1007
NSN 5910-01-483-2262
NSN 5935-01-446-6389
NSN 5925-01-300-8337
NSN 5920-01-362-0680
NSN 5930-01-469-5426
NSN 5945-01-521-2215
NSN 5965-01-365-1079