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 6105-01-376-9012
NSN 5998-01-088-1050
NSN 6105-00-234-7787
NSN 6650-01-011-0219
NSN 6610-01-035-1252
NSN 5960-01-530-0581
NSN 6240-01-329-1772
NSN 5930-01-399-2602
NSN 6130-01-092-8988
NSN 6145-00-141-8095
NSN 7035-00-349-8571
NSN 5945-01-235-8945