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 6105-01-526-6140
NSN 5935-01-020-7578
NSN 5925-01-598-3947
NSN 5996-01-231-1558
NSN 5925-00-229-8024
NSN 6130-01-278-9204
NSN 6130-01-528-9212
NSN 6105-01-350-2117
NSN 5975-01-507-2219
NSN 5945-01-603-7514
NSN 5996-01-579-0202
NSN 6650-01-187-2975