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 5998-01-258-0867
NSN 6110-01-545-0816
NSN 7035-00-349-8571
NSN 6105-01-205-7190
NSN 5920-01-386-4195
NSN 6610-00-393-0510
NSN 6610-01-023-1816
NSN 6110-01-226-9708
NSN 6620-01-162-7632
NSN 5960-01-513-3230
NSN 6105-00-660-8882
NSN 5999-01-359-2819