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 5945-01-169-0880
NSN 6240-00-031-3112
NSN 2925-01-394-5650
NSN 5855-01-441-3189
NSN 5960-01-624-1170
NSN 5905-00-198-6284
NSN 5990-01-365-6016
NSN 6645-01-480-9847
NSN 6130-01-420-6617
NSN 6135-00-231-7257
NSN 6130-01-343-7574
NSN 6110-01-319-3586