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 5945-01-412-5120
NSN 6645-01-426-8621
NSN 6110-01-373-1587
NSN 5895-00-101-7782
NSN 6220-01-155-2357
NSN 5950-01-447-2839
NSN 5965-01-465-4370
NSN 5999-01-049-3562
NSN 5910-01-565-5485
NSN 6645-01-462-3754
NSN 5925-00-186-0765
NSN 5965-01-078-6776