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 5920-00-170-4247
NSN 5895-00-411-4023
NSN 5905-00-254-8086
NSN 5835-00-102-2373
NSN 5905-01-157-9933
NSN 6105-01-045-6475
NSN 6130-00-100-0175
NSN 5895-00-402-6055
NSN 6145-01-392-9697
NSN 5998-01-356-2001
NSN 5935-00-141-0540
NSN 5945-01-308-9821