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 5960-01-139-5968
NSN 5835-01-394-3812
NSN 6110-00-939-7065
NSN 5905-01-601-4991
NSN 5965-01-633-4899
NSN 5905-01-077-2554
NSN 5998-00-034-4731
NSN 5930-01-112-0487
NSN 6110-01-381-6721
NSN 7035-00-916-9380
NSN 5985-01-364-0530
NSN 6145-01-432-1767