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 5996-00-202-6576
NSN 5998-01-012-2225
NSN 5996-00-543-1566
NSN 6610-00-889-8844
NSN 5950-01-012-3097
NSN 5925-00-910-3594
NSN 5895-01-648-2670
NSN 6135-00-161-0746
NSN 5945-01-306-5512
NSN 6620-00-080-2847
NSN 5910-01-324-0515
NSN 6110-01-434-5562