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 5925-01-366-6001
NSN 5935-00-532-7051
NSN 5998-00-501-3772
NSN 5950-01-007-7120
NSN 5999-00-174-2776
NSN 6240-01-076-1793
NSN 5895-01-415-6699
NSN 5998-01-246-4065
NSN 6145-00-293-8580
NSN 5895-01-358-4452
NSN 5975-01-296-1452
NSN 6620-01-351-6870