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 6130-01-386-2894
NSN 5930-00-905-6999
NSN 5960-00-104-5955
NSN 5835-01-229-6964
NSN 5925-01-577-1750
NSN 5855-00-973-5717
NSN 6145-00-955-1993
NSN 5960-01-362-1213
NSN 6620-01-386-5543
NSN 6620-00-296-6762
NSN 6220-01-460-1391
NSN 7035-01-633-9537