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 6150-01-630-9110
NSN 5895-00-190-4456
NSN 5985-01-340-6706
NSN 6610-01-361-5784
NSN 6240-00-580-0666
NSN 4140-00-811-2297
NSN 6240-01-480-8996
NSN 6110-01-393-0895
NSN 5998-01-021-8074
NSN 6220-00-227-0528
NSN 5835-01-238-3381
NSN 6645-00-445-8143