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 6110-01-407-8861
NSN 5855-01-550-3715
NSN 5935-00-960-7453
NSN 5930-01-069-5345
NSN 6620-01-547-7551
NSN 5930-00-400-6214
NSN 5950-01-292-9902
NSN 6145-00-530-8427
NSN 5998-01-051-3038
NSN 6135-00-505-0679
NSN 5975-01-371-6613
NSN 5945-01-499-8496