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 6620-01-085-8688
NSN 5998-01-050-8279
NSN 6135-00-050-7189
NSN 6240-01-401-5340
NSN 5920-01-442-7685
NSN 6150-00-240-9951
NSN 5998-01-254-7815
NSN 6105-00-557-8962
NSN 5835-01-227-4752
NSN 5945-01-459-8998
NSN 5910-01-287-8467
NSN 5999-00-684-6811