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 5855-00-256-5562
NSN 5915-00-136-8104
NSN 5985-01-634-0635
NSN 5960-01-323-6432
NSN 5920-01-412-1080
NSN 5945-01-068-3503
NSN 5960-01-533-5162
NSN 6105-01-447-2984
NSN 6650-01-138-8174
NSN 6685-00-937-3400
NSN 6320-00-809-5744
NSN 5930-01-096-2028