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 6130-01-065-2368
NSN 7035-01-485-2134
NSN 5905-00-984-6809
NSN 5915-01-291-2070
NSN 7035-01-473-7582
NSN 6650-01-605-7648
NSN 5985-01-246-2231
NSN 5835-00-153-4100
NSN 6105-01-509-8703
NSN 5920-01-496-4617
NSN 5999-01-089-8956
NSN 5930-00-230-9402