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 5835-00-389-2816
NSN 5835-01-046-9615
NSN 5895-00-954-8264
NSN 5905-01-229-3920
NSN 7035-01-211-5636
NSN 5990-01-044-4767
NSN 6150-00-103-6339
NSN 5965-01-288-4736
NSN 6150-01-239-3122
NSN 6240-01-394-6481
NSN 6240-00-081-6889
NSN 6610-01-141-2780