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 6135-01-567-0739
NSN 5945-01-330-9418
NSN 5950-01-294-2295
NSN 5835-01-281-7281
NSN 5920-00-689-1533
NSN 4140-00-732-9427
NSN 5960-01-252-6331
NSN 6610-01-588-6672
NSN 5965-00-954-3011
NSN 6220-00-749-8913
NSN 5999-00-864-0341
NSN 5935-01-438-1332