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 6145-01-505-0059
NSN 5935-01-068-3637
NSN 6105-01-065-0341
NSN 5895-00-292-2872
NSN 5985-01-248-1725
NSN 5915-00-273-1693
NSN 5930-00-112-9126
NSN 5950-01-123-8603
NSN 5915-01-016-5156
NSN 6685-01-646-5872
NSN 5895-01-582-5302
NSN 5835-01-535-0948