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 6685-01-580-4974
NSN 6110-01-288-4221
NSN 5965-01-038-4852
NSN 6130-00-349-6987
NSN 7035-01-408-8698
NSN 5895-01-493-6204
NSN 6105-01-352-7895
NSN 6105-01-519-1922
NSN 5925-00-764-4686
NSN 6220-01-116-2411
NSN 5975-01-161-1409
NSN 5915-01-420-6997