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 6145-00-960-7318
NSN 5855-01-213-9076
NSN 5985-01-391-4753
NSN 5960-01-265-0354
NSN 5960-01-450-8539
NSN 5835-01-541-9991
NSN 6105-01-469-3486
NSN 4140-00-409-7984
NSN 6685-01-550-3993
NSN 5835-00-594-4921
NSN 6110-00-663-4054
NSN 6135-01-255-9129