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 5925-00-247-3050
NSN 5985-00-231-3759
NSN 5945-00-419-6703
NSN 6650-01-229-7500
NSN 5855-01-627-4332
NSN 6650-00-629-8027
NSN 6105-00-860-3561
NSN 6650-01-524-2105
NSN 5920-01-543-9586
NSN 6105-01-247-4804
NSN 6320-00-853-1920
NSN 6220-01-565-0936