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 6220-00-523-9406
NSN 5965-00-831-2134
NSN 5935-01-586-7809
NSN 5920-01-010-3293
NSN 5965-01-492-5695
NSN 5905-01-174-1096
NSN 5835-00-306-5240
NSN 7035-00-870-0290
NSN 6105-00-054-5830
NSN 5960-00-872-0531
NSN 5895-00-948-2341
NSN 5915-01-485-0850