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 6110-01-349-2670
NSN 5999-00-719-1875
NSN 5960-01-186-5023
NSN 6240-01-295-7324
NSN 5915-00-918-2905
NSN 2925-01-511-2667
NSN 6240-01-196-1688
NSN 5895-01-460-5448
NSN 4140-01-623-6426
NSN 5985-01-457-3560
NSN 5835-01-245-8077
NSN 5895-01-224-7913