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 5985-00-140-2947
NSN 5996-01-025-5683
NSN 4140-01-254-3689
NSN 5985-01-226-5653
NSN 6105-00-527-2193
NSN 5999-01-658-4606
NSN 6105-00-701-2081
NSN 6145-00-596-8447
NSN 5965-01-022-0819
NSN 5965-00-075-1485
NSN 5999-00-427-0914
NSN 7035-01-471-0475