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 5960-01-474-4843
NSN 5835-00-523-0736
NSN 5910-01-317-3037
NSN 5999-01-640-9916
NSN 5965-00-005-7899
NSN 5960-00-614-2890
NSN 6105-01-658-7362
NSN 6110-01-118-7794
NSN 5996-01-650-5762
NSN 5910-01-350-1984
NSN 7035-00-312-3055
NSN 6685-00-539-8060