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 2925-00-258-9786
NSN 2925-00-185-1618
NSN 5985-00-133-1553
NSN 5996-00-065-8118
NSN 6110-00-596-9124
NSN 5835-00-233-6327
NSN 6105-00-159-0366
NSN 6145-01-317-4108
NSN 5925-00-976-4883
NSN 5999-01-364-9003
NSN 5910-00-926-0111
NSN 6130-01-528-6371