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 5835-01-249-7198
NSN 6240-01-502-7883
NSN 6685-01-230-7696
NSN 5950-01-660-7639
NSN 7035-01-377-7712
NSN 6220-01-625-4065
NSN 6110-01-502-9562
NSN 6240-01-303-4595
NSN 5920-00-153-9150
NSN 6685-01-500-3748
NSN 6610-00-848-4764
NSN 6110-00-837-2282