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 5835-01-519-3834
NSN 6105-01-611-9180
NSN 5905-01-576-3633
NSN 2925-01-150-7160
NSN 5965-01-200-6613
NSN 6220-01-514-0381
NSN 5935-00-217-8847
NSN 6320-01-446-8050
NSN 7035-01-222-0729
NSN 6110-01-519-2636
NSN 5950-01-513-9108
NSN 5895-01-170-3510