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 6620-01-418-9409
NSN 6650-00-411-1403
NSN 5960-01-462-1864
NSN 5950-01-459-7961
NSN 5975-01-520-3566
NSN 5999-01-643-1183
NSN 5945-01-390-2672
NSN 6105-00-446-9271
NSN 5950-01-399-7146
NSN 5996-01-184-9442
NSN 6610-00-811-6072
NSN 5998-01-634-0604