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 5965-00-532-3284
NSN 6105-01-176-5708
NSN 5945-01-416-4191
NSN 5935-01-521-2864
NSN 6240-00-151-7642
NSN 5855-01-621-6999
NSN 6130-01-194-8889
NSN 5930-01-221-1056
NSN 5985-01-089-8621
NSN 5975-01-327-1303
NSN 6620-01-590-7035
NSN 5999-00-409-1526