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 5965-00-959-4910
NSN 5996-01-152-2948
NSN 5855-00-925-0114
NSN 6130-01-037-7651
NSN 6610-00-868-9457
NSN 6110-01-045-4160
NSN 5920-01-200-6655
NSN 5999-01-175-3561
NSN 5835-01-242-9806
NSN 5835-00-334-6556
NSN 6105-00-423-7963
NSN 5835-01-095-4400