Heat treated
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 6240-01-023-7720
NSN 6650-01-425-7362
NSN 6220-01-456-7083
NSN 5835-01-101-3687
NSN 6650-01-633-9147
NSN 5905-01-330-2738
NSN 5960-01-624-1170
NSN 6240-01-245-8996
NSN 5915-00-325-3813
NSN 6105-01-455-0407
NSN 5935-01-227-5652
NSN 5960-01-281-1326