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 6150-01-515-2467
NSN 5935-01-233-9317
NSN 6105-00-913-3512
NSN 6150-01-145-5156
NSN 5920-00-262-6152
NSN 5835-01-276-4621
NSN 6145-00-812-5034
NSN 5905-01-556-4408
NSN 5835-01-303-6563
NSN 5855-00-918-1622
NSN 6150-01-570-1594
NSN 5895-01-378-8117