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 6240-01-378-9813
NSN 6220-00-060-5857
NSN 5945-01-039-9467
NSN 5835-01-416-6455
NSN 6620-00-233-6839
NSN 6650-01-351-9061
NSN 6240-01-356-5855
NSN 2925-00-428-6349
NSN 5910-00-103-0284
NSN 5855-01-543-3338
NSN 7035-01-261-6779
NSN 7035-01-014-3808