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 5835-01-466-5496
NSN 5835-01-058-0233
NSN 4140-01-599-5765
NSN 6130-01-597-5760
NSN 5935-01-285-8755
NSN 5985-00-927-7670
NSN 5945-01-391-6289
NSN 7035-01-438-2108
NSN 6130-01-230-8391
NSN 5905-01-209-5224
NSN 5930-01-558-5634
NSN 5855-01-100-3272