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 6620-00-981-6958
NSN 5895-00-244-3524
NSN 5945-01-294-7110
NSN 5935-01-039-3787
NSN 5965-00-303-9701
NSN 5975-01-341-4835
NSN 5895-01-190-3941
NSN 5975-01-323-8120
NSN 5920-01-106-9018
NSN 6105-00-900-2486
NSN 6240-00-793-7969
NSN 6610-01-123-2276