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 5925-00-642-5253
NSN 5935-00-995-0103
NSN 5925-01-629-7248
NSN 5950-01-518-9563
NSN 6110-01-540-3799
NSN 5945-01-243-8209
NSN 5910-00-841-1306
NSN 5835-01-435-4139
NSN 6685-01-243-5283
NSN 6650-01-431-9625
NSN 5945-01-067-7955
NSN 5835-01-227-4752