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 6220-01-656-8044
NSN 5990-01-360-0711
NSN 6240-01-061-6516
NSN 5915-00-727-0388
NSN 5965-00-244-6055
NSN 6110-01-593-4499
NSN 6130-01-290-8074
NSN 5990-01-007-3806
NSN 6240-00-072-9966
NSN 5985-00-501-5249
NSN 5915-01-435-7603
NSN 6110-01-143-5187