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 5998-01-421-2186
NSN 5935-01-651-4806
NSN 6150-00-073-3007
NSN 5905-00-892-1654
NSN 6130-00-982-3896
NSN 6610-01-526-2054
NSN 6650-01-399-8552
NSN 5998-01-463-7931
NSN 5950-01-560-5633
NSN 6110-01-633-9660
NSN 5920-01-212-1536
NSN 5920-01-265-8068