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 6220-00-276-8681
NSN 5935-01-082-8806
NSN 5835-01-290-9763
NSN 5925-01-262-6152
NSN 6620-01-629-4045
NSN 6620-00-421-1778
NSN 5965-01-646-7498
NSN 5905-00-897-0860
NSN 6105-01-340-5242
NSN 5960-01-648-1872
NSN 5905-00-166-0358
NSN 5945-01-206-1155