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 6145-00-917-2721
NSN 5930-00-155-5917
NSN 6645-01-149-2247
NSN 6105-01-378-5484
NSN 5910-00-825-1299
NSN 5998-01-368-0299
NSN 6105-00-343-6648
NSN 5950-00-222-4745
NSN 5945-01-660-6702
NSN 5998-01-110-1876
NSN 4140-01-487-5453
NSN 4140-01-147-4764