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 6650-01-131-2570
NSN 5895-01-324-7957
NSN 6610-01-289-0847
NSN 6105-00-959-5468
NSN 6620-00-654-3738
NSN 5960-00-614-2890
NSN 6110-01-095-3519
NSN 6650-00-831-5532
NSN 5895-00-481-7596
NSN 5996-00-148-8474
NSN 5910-01-598-2855
NSN 5999-01-453-0856