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 6610-01-485-8973
NSN 5950-00-985-4782
NSN 5985-01-290-2026
NSN 5965-01-468-3732
NSN 6240-01-577-6745
NSN 5999-01-582-7474
NSN 5855-01-276-5447
NSN 5935-00-926-3099
NSN 5985-01-541-4711
NSN 6610-01-539-9084
NSN 6610-01-222-2558
NSN 5835-00-034-4976