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 5855-00-185-1560
NSN 6620-00-428-9866
NSN 5935-01-317-0527
NSN 6110-00-773-0915
NSN 6610-01-382-1936
NSN 5910-00-694-4999
NSN 6130-01-044-4162
NSN 5855-00-087-7833
NSN 5950-00-350-2825
NSN 5915-01-308-8562
NSN 6650-00-908-6358
NSN 5998-00-277-7552