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 6110-01-616-6386
NSN 5950-01-220-6626
NSN 5855-00-010-2980
NSN 6610-01-435-5425
NSN 5895-00-410-3772
NSN 5915-00-153-4805
NSN 6150-01-438-0969
NSN 5985-01-560-6431
NSN 5935-01-597-7812
NSN 5945-01-396-4153
NSN 5950-01-542-0244
NSN 5930-00-148-9247