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 5905-01-120-7344
NSN 6130-01-199-9705
NSN 6620-00-216-6416
NSN 5935-00-103-7745
NSN 6240-01-633-9357
NSN 5935-01-357-8334
NSN 5935-00-129-9358
NSN 6110-01-272-8825
NSN 7035-01-123-0085
NSN 5915-01-198-6095
NSN 6105-00-181-9774
NSN 6645-00-935-7046