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 5999-00-064-5907
NSN 5835-01-426-6573
NSN 5895-00-212-7451
NSN 5965-01-260-2547
NSN 6240-00-784-0740
NSN 5945-01-558-8900
NSN 5930-01-629-4379
NSN 7035-01-183-7550
NSN 5950-01-142-3332
NSN 5950-01-542-2619
NSN 5835-01-091-2553
NSN 5920-01-513-1997