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 6110-01-223-1153
NSN 5930-00-627-9261
NSN 5925-01-430-0026
NSN 6135-01-290-6487
NSN 5990-01-527-7640
NSN 6240-01-425-1545
NSN 6135-01-100-3593
NSN 5915-01-381-1255
NSN 6135-01-242-6484
NSN 6240-01-278-5342
NSN 5930-00-270-7926
NSN 5945-00-597-5722