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 6145-00-299-7757
NSN 6135-01-492-5717
NSN 5915-00-167-9629
NSN 5998-00-837-7326
NSN 5985-00-322-7855
NSN 5935-01-025-7272
NSN 7035-01-471-6979
NSN 6110-01-415-6545
NSN 5996-01-302-2128
NSN 5930-01-604-8626
NSN 5996-00-049-8340
NSN 5855-01-010-4921