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 6130-01-535-5655
NSN 5960-01-210-5587
NSN 5998-00-438-9797
NSN 5960-01-100-7381
NSN 6650-01-177-4398
NSN 6320-00-098-2858
NSN 5930-01-464-0429
NSN 6110-00-544-2527
NSN 5930-01-061-1991
NSN 5990-00-594-7291
NSN 6685-01-634-0611
NSN 5945-00-252-2814