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 6610-01-487-2625
NSN 5905-00-659-0617
NSN 6650-00-113-4102
NSN 5975-01-330-1872
NSN 5945-01-421-7024
NSN 6240-01-211-4507
NSN 6150-01-179-1557
NSN 6105-00-189-0515
NSN 5935-01-454-9090
NSN 6105-01-617-0065
NSN 5999-01-142-4749
NSN 5960-01-159-6950