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 5996-01-068-0329
NSN 6130-01-253-4533
NSN 6110-01-106-4757
NSN 5985-01-180-2117
NSN 5945-00-093-1124
NSN 5895-01-377-4613
NSN 5965-00-342-5126
NSN 5910-00-225-4390
NSN 5950-00-104-8113
NSN 6220-01-629-5068
NSN 5975-01-310-6454
NSN 6220-00-541-8515