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 2925-00-419-5868
NSN 7035-01-210-0493
NSN 6130-01-444-4357
NSN 6105-01-202-9339
NSN 6645-01-196-6277
NSN 6145-01-371-2404
NSN 6240-00-660-8849
NSN 6105-01-571-1847
NSN 5945-00-166-6330
NSN 6105-00-196-3602
NSN 5965-00-504-6753
NSN 6650-01-459-3946