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 5925-00-910-7485
NSN 5835-01-565-3411
NSN 5965-01-350-1890
NSN 5910-01-485-3322
NSN 6320-01-123-2476
NSN 5985-00-051-9095
NSN 5935-01-382-8840
NSN 6620-01-196-3548
NSN 5999-01-317-5566
NSN 6650-01-049-5361
NSN 4140-00-277-1531
NSN 6650-01-231-2082