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 5985-01-401-5387
NSN 6240-01-065-7551
NSN 6240-00-643-4532
NSN 6650-01-435-2994
NSN 5998-01-309-8704
NSN 6240-01-594-0059
NSN 5985-00-578-7740
NSN 5895-01-509-9266
NSN 5965-01-051-0126
NSN 5895-01-041-9976
NSN 5925-00-100-5760
NSN 5930-00-429-9376