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 6150-01-411-4744
NSN 5835-01-502-9228
NSN 5965-01-408-6218
NSN 6645-00-171-9639
NSN 6240-01-469-6686
NSN 6650-01-172-0198
NSN 6240-01-358-9980
NSN 6620-01-352-5640
NSN 5998-00-314-9638
NSN 5999-00-233-5525
NSN 5835-00-074-3700
NSN 5945-01-265-3985