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 5998-01-386-9341
NSN 5945-01-260-8568
NSN 5835-01-514-5758
NSN 6220-01-578-6554
NSN 5998-01-386-5754
NSN 5996-01-271-1542
NSN 5855-00-149-0766
NSN 6150-01-352-3227
NSN 6610-01-101-1927
NSN 5930-00-566-0972
NSN 6105-00-753-5369
NSN 6220-01-292-0980