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 6240-01-462-1874
NSN 7035-01-107-2811
NSN 5915-01-656-3208
NSN 5905-01-398-3526
NSN 5960-00-450-3541
NSN 6105-01-215-1174
NSN 6105-01-074-4360
NSN 5985-01-382-8247
NSN 6220-01-158-2871
NSN 5999-01-123-4090
NSN 5945-01-527-2976
NSN 6240-01-064-9727