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 5950-01-451-7103
NSN 5998-01-336-9777
NSN 5996-01-032-4942
NSN 5935-01-211-1597
NSN 5990-00-905-6472
NSN 6145-01-547-3496
NSN 5998-00-445-2346
NSN 5990-01-386-3040
NSN 5855-01-266-1645
NSN 5930-01-549-0165
NSN 5945-00-332-0010
NSN 5960-01-156-6979