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 5945-00-630-6075
NSN 5996-00-880-5340
NSN 6240-01-570-0979
NSN 6610-01-044-4740
NSN 5930-00-579-2281
NSN 5975-01-009-1762
NSN 5905-01-659-6962
NSN 6650-00-147-4887
NSN 6130-00-814-4247
NSN 5915-00-283-8670
NSN 5985-01-603-0987
NSN 5996-01-273-8033