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 6105-00-248-4202
NSN 5965-01-293-4525
NSN 5990-00-067-6791
NSN 5999-00-980-4125
NSN 6620-01-411-9489
NSN 5998-00-388-0259
NSN 6610-01-246-4164
NSN 5910-01-612-3556
NSN 7035-01-054-5208
NSN 5965-01-155-8766
NSN 5920-00-136-4823
NSN 5930-00-588-9687