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 5925-01-279-0488
NSN 5895-00-370-0594
NSN 5985-00-329-9097
NSN 5945-00-600-5593
NSN 5925-01-447-9767
NSN 6645-01-414-8806
NSN 5999-00-406-3602
NSN 6105-01-485-0842
NSN 2925-01-587-3956
NSN 6130-01-607-2157
NSN 5935-00-721-2307
NSN 5975-01-181-7094