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 5960-01-485-2467
NSN 5935-01-019-4166
NSN 5975-00-152-9932
NSN 6145-01-121-0466
NSN 5925-01-041-5385
NSN 5990-01-278-8833
NSN 5960-01-312-1262
NSN 5998-00-406-2054
NSN 5855-00-256-5562
NSN 6240-00-197-6819
NSN 5945-00-169-1882
NSN 6220-00-232-9706