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 6320-01-170-4068
NSN 5935-01-494-7970
NSN 5965-01-314-7333
NSN 5965-01-438-0647
NSN 6620-01-351-6870
NSN 6150-01-579-3417
NSN 5999-01-310-7715
NSN 6650-01-542-0683
NSN 2925-01-424-0235
NSN 5905-01-092-0787
NSN 6220-00-394-5762
NSN 5996-01-353-4658