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 5998-01-211-6752
NSN 6220-01-406-3167
NSN 5945-01-317-1845
NSN 5998-01-534-9984
NSN 5965-01-524-8347
NSN 5975-01-634-0678
NSN 7035-01-321-1555
NSN 5945-01-432-1708
NSN 5985-01-443-1767
NSN 5945-00-862-3979
NSN 6645-01-094-8917
NSN 5996-01-139-0303