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 6110-00-696-3145
NSN 6105-01-192-6672
NSN 6240-01-340-2630
NSN 6240-01-192-2479
NSN 6610-01-336-8027
NSN 5985-01-170-8993
NSN 6110-01-240-2180
NSN 5999-00-313-3341
NSN 5998-00-369-9114
NSN 5920-00-967-1396
NSN 5895-00-356-0179
NSN 5855-01-538-9436